RPS-BLAST 2.2.26 [Sep-21-2011]
Database: CDD.v3.10
44,354 sequences; 10,937,602 total letters
Searching..................................................done
Query= psy1078
(199 letters)
>gnl|CDD|240857 cd12411, RRM_ist3_like, RNA recognition motif in ist3 family. This
subfamily corresponds to the RRM of the ist3 family that
includes fungal U2 small nuclear ribonucleoprotein
(snRNP) component increased sodium tolerance protein 3
(ist3), X-linked 2 RNA-binding motif proteins (RBMX2)
found in Metazoa and plants, and similar proteins. Gene
IST3 encoding ist3, also termed U2 snRNP protein SNU17
(Snu17p), is a novel yeast Saccharomyces cerevisiae
protein required for the first catalytic step of
splicing and for progression of spliceosome assembly. It
binds specifically to the U2 snRNP and is an intrinsic
component of prespliceosomes and spliceosomes. Yeast
ist3 contains an atypical RNA recognition motif (RRM),
also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain). In the yeast pre-mRNA
retention and splicing complex, the atypical RRM of ist3
functions as a scaffold that organizes the other two
constituents, Bud13p (bud site selection 13) and Pml1p
(pre-mRNA leakage 1). Fission yeast Schizosaccharomyces
pombe gene cwf29 encoding ist3, also termed cell cycle
control protein cwf29, is an RNA-binding protein
complexed with cdc5 protein 29. It also contains one
RRM. The biological function of RBMX2 remains unclear.
It shows high sequence similarity to yeast ist3 protein
and harbors one RRM as well. .
Length = 89
Score = 199 bits (508), Expect = 8e-67
Identities = 68/89 (76%), Positives = 84/89 (94%)
Query: 25 SWHDQYKDSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYED 84
SWHDQYKDSA+I++GGLPY+L+EGD++C+FSQYGEIV++NLVRDK TGKSKGF F+ YED
Sbjct: 1 SWHDQYKDSAYIYIGGLPYELTEGDILCVFSQYGEIVDINLVRDKKTGKSKGFAFLAYED 60
Query: 85 QRSTVLSVDNLNGVKVLSRTIRVDHVNDY 113
QRST+L+VDNLNG+K+L RTIRVDHV +Y
Sbjct: 61 QRSTILAVDNLNGIKLLGRTIRVDHVRNY 89
>gnl|CDD|240844 cd12398, RRM_CSTF2_RNA15_like, RNA recognition motif in cleavage
stimulation factor subunit 2 (CSTF2), yeast ortholog
mRNA 3'-end-processing protein RNA15 and similar
proteins. This subfamily corresponds to the RRM domain
of CSTF2, its tau variant and eukaryotic homologs.
CSTF2, also termed cleavage stimulation factor 64 kDa
subunit (CstF64), is the vertebrate conterpart of yeast
mRNA 3'-end-processing protein RNA15. It is expressed in
all somatic tissues and is one of three cleavage
stimulatory factor (CstF) subunits required for
polyadenylation. CstF64 contains an N-terminal RNA
recognition motif (RRM), also known as RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), a
CstF77-binding domain, a repeated MEARA helical region
and a conserved C-terminal domain reported to bind the
transcription factor PC-4. During polyadenylation, CstF
interacts with the pre-mRNA through the RRM of CstF64 at
U- or GU-rich sequences within 10 to 30 nucleotides
downstream of the cleavage site. CSTF2T, also termed
tauCstF64, is a paralog of the X-linked cleavage
stimulation factor CstF64 protein that supports
polyadenylation in most somatic cells. It is expressed
during meiosis and subsequent haploid differentiation in
a more limited set of tissues and cell types, largely in
meiotic and postmeiotic male germ cells, and to a lesser
extent in brain. The loss of CSTF2T will cause male
infertility, as it is necessary for spermatogenesis and
fertilization. Moreover, CSTF2T is required for
expression of genes involved in morphological
differentiation of spermatids, as well as for genes
having products that function during interaction of
motile spermatozoa with eggs. It promotes germ
cell-specific patterns of polyadenylation by using its
RRM to bind to different sequence elements downstream of
polyadenylation sites than does CstF64. The family also
includes yeast ortholog mRNA 3'-end-processing protein
RNA15 and similar proteins. RNA15 is a core subunit of
cleavage factor IA (CFIA), an essential transcriptional
3'-end processing factor from Saccharomyces cerevisiae.
RNA recognition by CFIA is mediated by an N-terminal
RRM, which is contained in the RNA15 subunit of the
complex. The RRM of RNA15 has a strong preference for
GU-rich RNAs, mediated by a binding pocket that is
entirely conserved in both yeast and vertebrate RNA15
orthologs.
Length = 75
Score = 90.0 bits (224), Expect = 4e-24
Identities = 32/74 (43%), Positives = 47/74 (63%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG +PYD +E +I IFS+ G +V+ LV D+ TGK KG+ F +ED + ++ NL
Sbjct: 1 VFVGNIPYDATEEQLIEIFSEVGPVVSFRLVTDRDTGKPKGYGFCEFEDIETAASAIRNL 60
Query: 96 NGVKVLSRTIRVDH 109
NG + R +RVD
Sbjct: 61 NGYEFNGRALRVDF 74
>gnl|CDD|214636 smart00360, RRM, RNA recognition motif.
Length = 73
Score = 81.5 bits (202), Expect = 7e-21
Identities = 29/72 (40%), Positives = 50/72 (69%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG LP D +E ++ +FS++G++ ++ LVRDK TGKSKGF F+ +E + +++ L
Sbjct: 2 LFVGNLPPDTTEEELRELFSKFGKVESVRLVRDKETGKSKGFAFVEFESEEDAEKALEAL 61
Query: 96 NGVKVLSRTIRV 107
NG ++ R ++V
Sbjct: 62 NGKELDGRPLKV 73
>gnl|CDD|215696 pfam00076, RRM_1, RNA recognition motif. (a.k.a. RRM, RBD, or RNP
domain). The RRM motif is probably diagnostic of an RNA
binding protein. RRMs are found in a variety of RNA
binding proteins, including various hnRNP proteins,
proteins implicated in regulation of alternative
splicing, and protein components of snRNPs. The motif
also appears in a few single stranded DNA binding
proteins. The RRM structure consists of four strands and
two helices arranged in an alpha/beta sandwich, with a
third helix present during RNA binding in some cases The
C-terminal beta strand (4th strand) and final helix are
hard to align and have been omitted in the SEED
alignment The LA proteins have an N terminal rrm which
is included in the seed. There is a second region
towards the C terminus that has some features
characteristic of a rrm but does not appear to have the
important structural core of a rrm. The LA proteins are
one of the main autoantigens in Systemic lupus
erythematosus (SLE), an autoimmune disease.
Length = 70
Score = 73.4 bits (181), Expect = 1e-17
Identities = 29/71 (40%), Positives = 49/71 (69%), Gaps = 1/71 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG LP D +E D+ +FS++G I ++ +VRD+ TG+SKGF F+ +ED+ +++ L
Sbjct: 1 LFVGNLPPDTTEEDLKDLFSKFGPIESIRIVRDE-TGRSKGFAFVEFEDEEDAEKALEAL 59
Query: 96 NGVKVLSRTIR 106
NG ++ R +R
Sbjct: 60 NGKELGGRELR 70
>gnl|CDD|240677 cd12231, RRM2_U2AF65, RNA recognition motif 2 found in U2 large
nuclear ribonucleoprotein auxiliary factor U2AF 65 kDa
subunit (U2AF65) and similar proteins. This subfamily
corresponds to the RRM2 of U2AF65 and dU2AF50. U2AF65,
also termed U2AF2, is the large subunit of U2 small
nuclear ribonucleoprotein (snRNP) auxiliary factor
(U2AF), which has been implicated in the recruitment of
U2 snRNP to pre-mRNAs and is a highly conserved
heterodimer composed of large and small subunits. U2AF65
specifically recognizes the intron polypyrimidine tract
upstream of the 3' splice site and promotes binding of
U2 snRNP to the pre-mRNA branchpoint. U2AF65 also plays
an important role in the nuclear export of mRNA. It
facilitates the formation of a messenger
ribonucleoprotein export complex, containing both the
NXF1 receptor and the RNA substrate. Moreover, U2AF65
interacts directly and specifically with expanded CAG
RNA, and serves as an adaptor to link expanded CAG RNA
to NXF1 for RNA export. U2AF65 contains an N-terminal RS
domain rich in arginine and serine, followed by a
proline-rich segment and three C-terminal RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains). The
N-terminal RS domain stabilizes the interaction of U2
snRNP with the branch point (BP) by contacting the
branch region, and further promotes base pair
interactions between U2 snRNA and the BP. The
proline-rich segment mediates protein-protein
interactions with the RRM domain of the small U2AF
subunit (U2AF35 or U2AF1). The RRM1 and RRM2 are
sufficient for specific RNA binding, while RRM3 is
responsible for protein-protein interactions. The family
also includes Splicing factor U2AF 50 kDa subunit
(dU2AF50), the Drosophila ortholog of U2AF65. dU2AF50
functions as an essential pre-mRNA splicing factor in
flies. It associates with intronless mRNAs and plays a
significant and unexpected role in the nuclear export of
a large number of intronless mRNAs.
Length = 77
Score = 73.4 bits (181), Expect = 1e-17
Identities = 28/72 (38%), Positives = 42/72 (58%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IF+GGLP LSE V + +G++ NLV+D TG SKG+ F Y D T ++ L
Sbjct: 3 IFIGGLPNYLSEDQVKELLESFGKLKAFNLVKDSATGLSKGYAFCEYLDPSVTDQAIAGL 62
Query: 96 NGVKVLSRTIRV 107
NG+++ + + V
Sbjct: 63 NGMQLGDKKLTV 74
>gnl|CDD|240845 cd12399, RRM_HP0827_like, RNA recognition motif in Helicobacter
pylori HP0827 protein and similar proteins. This
subfamily corresponds to the RRM of H. pylori HP0827, a
putative ssDNA-binding protein 12rnp2 precursor,
containing one RNA recognition motif (RRM), also termed
RBD (RNA binding domain) or RNP (ribonucleoprotein
domain). The ssDNA binding may be important in
activation of HP0827. .
Length = 78
Score = 73.0 bits (180), Expect = 2e-17
Identities = 25/72 (34%), Positives = 45/72 (62%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG LPY+++E D+ +F Q+GE+ + ++ D+ TG+S+GF F+ E +++ L
Sbjct: 2 LYVGNLPYNVTEEDLKDLFGQFGEVTSARVITDRETGRSRGFGFVEMETAEEANAAIEKL 61
Query: 96 NGVKVLSRTIRV 107
NG RT+ V
Sbjct: 62 NGTDFGGRTLTV 73
>gnl|CDD|241115 cd12671, RRM_CSTF2_CSTF2T, RNA recognition motif in cleavage
stimulation factor subunit 2 (CSTF2), cleavage
stimulation factor subunit 2 tau variant (CSTF2T) and
similar proteins. This subgroup corresponds to the RRM
domain of CSTF2, its tau variant and eukaryotic
homologs. CSTF2, also termed cleavage stimulation factor
64 kDa subunit (CstF64), is the vertebrate conterpart of
yeast mRNA 3'-end-processing protein RNA15. It is
expressed in all somatic tissues and is one of three
cleavage stimulatory factor (CstF) subunits required for
polyadenylation. CstF64 contains an N-terminal RNA
recognition motif (RRM), also known as RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), a
CstF77-binding domain, a repeated MEARA helical region
and a conserved C-terminal domain reported to bind the
transcription factor PC-4. During polyadenylation, CstF
interacts with the pre-mRNA through the RRM of CstF64 at
U- or GU-rich sequences within 10 to 30 nucleotides
downstream of the cleavage site. CSTF2T, also termed
tauCstF64, is a paralog of the X-linked cleavage
stimulation factor CstF64 protein that supports
polyadenylation in most somatic cells. It is expressed
during meiosis and subsequent haploid differentiation in
a more limited set of tissues and cell types, largely in
meiotic and postmeiotic male germ cells, and to a lesser
extent in brain. The loss of CSTF2T will cause male
infertility, as it is necessary for spermatogenesis and
fertilization. Moreover, CSTF2T is required for
expression of genes involved in morphological
differentiation of spermatids, as well as for genes
having products that function during interaction of
motile spermatozoa with eggs. It promotes germ
cell-specific patterns of polyadenylation by using its
RRM to bind to different sequence elements downstream of
polyadenylation sites than does CstF64. .
Length = 75
Score = 71.8 bits (176), Expect = 5e-17
Identities = 31/74 (41%), Positives = 50/74 (67%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG +PY+ +E + IFS+ G +V+ LV D+ TGK KG+ F Y+DQ + + ++ NL
Sbjct: 1 VFVGNIPYEATEEQLKDIFSEVGPVVSFRLVYDRETGKPKGYGFCEYKDQETALSAMRNL 60
Query: 96 NGVKVLSRTIRVDH 109
NG ++ R +RVD+
Sbjct: 61 NGYELNGRQLRVDN 74
>gnl|CDD|240668 cd00590, RRM_SF, RNA recognition motif (RRM) superfamily. RRM,
also known as RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), is a highly abundant domain
in eukaryotes found in proteins involved in
post-transcriptional gene expression processes including
mRNA and rRNA processing, RNA export, and RNA stability.
This domain is 90 amino acids in length and consists of
a four-stranded beta-sheet packed against two
alpha-helices. RRM usually interacts with ssRNA, but is
also known to interact with ssDNA as well as proteins.
RRM binds a variable number of nucleotides, ranging from
two to eight. The active site includes three aromatic
side-chains located within the conserved RNP1 and RNP2
motifs of the domain. The RRM domain is found in a
variety heterogeneous nuclear ribonucleoproteins
(hnRNPs), proteins implicated in regulation of
alternative splicing, and protein components of small
nuclear ribonucleoproteins (snRNPs).
Length = 72
Score = 70.4 bits (173), Expect = 2e-16
Identities = 30/73 (41%), Positives = 48/73 (65%), Gaps = 1/73 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG LP D +E D+ +FS++GEI ++ +VRDK GKSKGF F+ +E +++ L
Sbjct: 1 LFVGNLPPDTTEEDLRELFSKFGEIESVRIVRDK-DGKSKGFAFVEFESPEDAEKALEAL 59
Query: 96 NGVKVLSRTIRVD 108
NG ++ R ++V
Sbjct: 60 NGKELDGRKLKVS 72
>gnl|CDD|240830 cd12384, RRM_RBM24_RBM38_like, RNA recognition motif in
eukaryotic RNA-binding protein RBM24, RBM38 and similar
proteins. This subfamily corresponds to the RRM of
RBM24 and RBM38 from vertebrate, SUPpressor family
member SUP-12 from Caenorhabditis elegans and similar
proteins. Both, RBM24 and RBM38, are preferentially
expressed in cardiac and skeletal muscle tissues. They
regulate myogenic differentiation by controlling the
cell cycle in a p21-dependent or -independent manner.
RBM24, also termed RNA-binding region-containing
protein 6, interacts with the 3'-untranslated region
(UTR) of myogenin mRNA and regulates its stability in
C2C12 cells. RBM38, also termed CLL-associated antigen
KW-5, or HSRNASEB, or RNA-binding region-containing
protein 1(RNPC1), or ssDNA-binding protein SEB4, is a
direct target of the p53 family. It is required for
maintaining the stability of the basal and
stress-induced p21 mRNA by binding to their 3'-UTRs. It
also binds the AU-/U-rich elements in p63 3'-UTR and
regulates p63 mRNA stability and activity. SUP-12 is a
novel tissue-specific splicing factor that controls
muscle-specific splicing of the ADF/cofilin pre-mRNA in
C. elegans. All family members contain a conserved RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain). .
Length = 76
Score = 68.4 bits (168), Expect = 1e-15
Identities = 24/61 (39%), Positives = 39/61 (63%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IFVGGLPY ++ + FSQ+GEI ++ D+ TGKS+G+ F+ ++D+ S + +
Sbjct: 3 IFVGGLPYHTTDDSLRKYFSQFGEIEEAVVITDRQTGKSRGYGFVTFKDKESAERACKDP 62
Query: 96 N 96
N
Sbjct: 63 N 63
>gnl|CDD|240730 cd12284, RRM2_RBM23_RBM39, RNA recognition motif 2 in vertebrate
RNA-binding protein RBM23, RBM39 and similar proteins.
This subfamily corresponds to the RRM2 of RBM39 (also
termed HCC1), a nuclear autoantigen that contains an
N-terminal arginine/serine rich (RS) motif and three RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains). An
octapeptide sequence called the RS-ERK motif is repeated
six times in the RS region of RBM39. Although the
cellular function of RBM23 remains unclear, it shows
high sequence homology to RBM39 and contains two RRMs.
It may possibly function as a pre-mRNA splicing factor.
.
Length = 73
Score = 67.7 bits (166), Expect = 2e-15
Identities = 27/72 (37%), Positives = 45/72 (62%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG L ++++E D+ IF +GEI + L RD TG+SKG+ FI + D +++ L
Sbjct: 1 LYVGNLHFNITEDDLRGIFEPFGEIEFVQLQRDPETGRSKGYGFIQFADAEDAKKALEQL 60
Query: 96 NGVKVLSRTIRV 107
NG ++ R I+V
Sbjct: 61 NGFELAGRPIKV 72
>gnl|CDD|240828 cd12382, RRM_RBMX_like, RNA recognition motif in heterogeneous
nuclear ribonucleoprotein G (hnRNP G), Y chromosome RNA
recognition motif 1 (hRBMY), testis-specific
heterogeneous nuclear ribonucleoprotein G-T (hnRNP G-T)
and similar proteins. This subfamily corresponds to the
RRM domain of hnRNP G, also termed glycoprotein p43 or
RBMX, an RNA-binding motif protein located on the X
chromosome. It is expressed ubiquitously and has been
implicated in the splicing control of several pre-mRNAs.
Moreover, hnRNP G may function as a regulator of
transcription for SREBP-1c and GnRH1. Research has shown
that hnRNP G may also act as a tumor-suppressor since it
upregulates the Txnip gene and promotes the fidelity of
DNA end-joining activity. In addition, hnRNP G appears
to play a critical role in proper neural development of
zebrafish and frog embryos. The family also includes
several paralogs of hnRNP G, such as hRBMY and hnRNP G-T
(also termed RNA-binding motif protein,
X-linked-like-2). Both, hRBMY and hnRNP G-T, are
exclusively expressed in testis and critical for male
fertility. Like hnRNP G, hRBMY and hnRNP G-T interact
with factors implicated in the regulation of pre-mRNA
splicing, such as hTra2-beta1 and T-STAR. Although
members in this family share a high conserved N-terminal
RNA recognition motif (RRM), also termed RBD (RNA
binding domain) or RNP (ribonucleoprotein domain), they
appear to recognize different RNA targets. For instance,
hRBMY interacts specifically with a stem-loop structure
in which the loop is formed by the sequence CA/UCAA. In
contrast, hnRNP G associates with single stranded RNA
sequences containing a CCA/C motif. In addition to the
RRM, hnRNP G contains a nascent transcripts targeting
domain (NTD) in the middle region and a novel auxiliary
RNA-binding domain (RBD) in its C-terminal region. The
C-terminal RBD exhibits distinct RNA binding
specificity, and would play a critical role in the
regulation of alternative splicing by hnRNP G. .
Length = 80
Score = 66.1 bits (162), Expect = 9e-15
Identities = 23/74 (31%), Positives = 45/74 (60%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FV GL +E ++ +FS++G + + L++D TG+S+GF F+ +E ++ +L
Sbjct: 4 LFVSGLSTRTTEKELEALFSKFGRVEEVLLMKDPETGESRGFGFVTFESVEDADAAIRDL 63
Query: 96 NGVKVLSRTIRVDH 109
NG ++ R I+V+
Sbjct: 64 NGKELEGRVIKVEK 77
>gnl|CDD|240841 cd12395, RRM2_RBM34, RNA recognition motif 2 in RNA-binding protein
34 (RBM34) and similar proteins. This subfamily
corresponds to the RRM2 of RBM34, a putative RNA-binding
protein containing two RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). Although the function of
RBM34 remains unclear currently, its RRM domains may
participate in mRNA processing. RBM34 may act as an mRNA
processing-related protein. .
Length = 73
Score = 64.5 bits (158), Expect = 3e-14
Identities = 27/72 (37%), Positives = 46/72 (63%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG LP+D+ E ++ F G++ + +VRD+ TG KGF ++ ++ + S L++ L
Sbjct: 2 VFVGNLPFDIEEEELRKHFEDCGDVEAVRIVRDRKTGIGKGFGYVLFKTKDSVALAL-KL 60
Query: 96 NGVKVLSRTIRV 107
NG+K+ R IRV
Sbjct: 61 NGIKLKGRKIRV 72
>gnl|CDD|240683 cd12237, RRM_snRNP35, RNA recognition motif found in U11/U12 small
nuclear ribonucleoprotein 35 kDa protein (U11/U12-35K)
and similar proteins. This subfamily corresponds to the
RRM of U11/U12-35K, also termed protein HM-1, or U1
snRNP-binding protein homolog, and is one of the
components of the U11/U12 snRNP, which is a subunit of
the minor (U12-dependent) spliceosome required for
splicing U12-type nuclear pre-mRNA introns. U11/U12-35K
is highly conserved among bilateria and plants, but
lacks in some organisms, such as Saccharomyces
cerevisiae and Caenorhabditis elegans. Moreover,
U11/U12-35K shows significant sequence homology to U1
snRNP-specific 70 kDa protein (U1-70K or snRNP70). It
contains a conserved RNA recognition motif (RRM), also
termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), followed by an adjacent
glycine-rich region, and Arg-Asp and Arg-Glu dipeptide
repeats rich domain, making U11/U12-35K a possible
functional analog of U1-70K. It may facilitate 5' splice
site recognition in the minor spliceosome and play a
role in exon bridging, interacting with components of
the major spliceosome bound to the pyrimidine tract of
an upstream U2-type intron. The family corresponds to
the RRM of U11/U12-35K that may directly contact the U11
or U12 snRNA through the RRM domain.
Length = 93
Score = 64.6 bits (158), Expect = 4e-14
Identities = 27/73 (36%), Positives = 43/73 (58%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG L +E + +FS+YG+I L LVRD +TG SKG+ F+ YE +R + + +
Sbjct: 6 LFVGRLSLQTTEETLREVFSRYGDIRRLRLVRDIVTGFSKGYAFVEYEHERDALRAYRDA 65
Query: 96 NGVKVLSRTIRVD 108
+ + + I VD
Sbjct: 66 HKLVIDGSEIFVD 78
>gnl|CDD|240807 cd12361, RRM1_2_CELF1-6_like, RNA recognition motif 1 and 2 in
CELF/Bruno-like family of RNA binding proteins and plant
flowering time control protein FCA. This subfamily
corresponds to the RRM1 and RRM2 domains of the CUGBP1
and ETR-3-like factors (CELF) as well as plant flowering
time control protein FCA. CELF, also termed BRUNOL
(Bruno-like) proteins, is a family of structurally
related RNA-binding proteins involved in regulation of
pre-mRNA splicing in the nucleus, and control of mRNA
translation and deadenylation in the cytoplasm. The
family contains six members: CELF-1 (also known as
BRUNOL-2, CUG-BP1, NAPOR, EDEN-BP), CELF-2 (also known
as BRUNOL-3, ETR-3, CUG-BP2, NAPOR-2), CELF-3 (also
known as BRUNOL-1, TNRC4, ETR-1, CAGH4, ER DA4), CELF-4
(BRUNOL-4), CELF-5 (BRUNOL-5) and CELF-6 (BRUNOL-6).
They all contain three highly conserved RNA recognition
motifs (RRMs), also known as RBDs (RNA binding domains)
or RNPs (ribonucleoprotein domains): two consecutive
RRMs (RRM1 and RRM2) situated in the N-terminal region
followed by a linker region and the third RRM (RRM3)
close to the C-terminus of the protein. The low sequence
conservation of the linker region is highly suggestive
of a large variety in the co-factors that associate with
the various CELF family members. Based on both, sequence
similarity and function, the CELF family can be divided
into two subfamilies, the first containing CELFs 1 and
2, and the second containing CELFs 3, 4, 5, and 6. The
different CELF proteins may act through different sites
on at least some substrates. Furthermore, CELF proteins
may interact with each other in varying combinations to
influence alternative splicing in different contexts.
This subfamily also includes plant flowering time
control protein FCA that functions in the
posttranscriptional regulation of transcripts involved
in the flowering process. FCA contains two RRMs, and a
WW protein interaction domain. .
Length = 77
Score = 63.3 bits (155), Expect = 9e-14
Identities = 26/74 (35%), Positives = 43/74 (58%), Gaps = 3/74 (4%)
Query: 37 FVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLN 96
FVG LP +E DV +F +YG I + ++RDK TG+SKG F+ + + +++ L+
Sbjct: 3 FVGQLPKTATEEDVRALFEEYGNIEEVTIIRDKDTGQSKGCAFVKFSSREEAQKAIEALH 62
Query: 97 GVKVL---SRTIRV 107
G + SR ++V
Sbjct: 63 GKVTMPGASRPLQV 76
>gnl|CDD|240793 cd12347, RRM_PPIE, RNA recognition motif in cyclophilin-33 (Cyp33)
and similar proteins. This subfamily corresponds to the
RRM of Cyp33, also termed peptidyl-prolyl cis-trans
isomerase E (PPIase E), or cyclophilin E, or rotamase E.
Cyp33 is a nuclear RNA-binding cyclophilin with an
N-terminal RNA recognition motif (RRM), also termed RBD
(RNA binding domain) or RNP (ribonucleoprotein domain),
and a C-terminal PPIase domain. Cyp33 possesses
RNA-binding activity and preferentially binds to
polyribonucleotide polyA and polyU, but hardly to polyG
and polyC. It binds specifically to mRNA, which can
stimulate its PPIase activity. Moreover, Cyp33 interacts
with the third plant homeodomain (PHD3) zinc finger
cassette of the mixed lineage leukemia (MLL)
proto-oncoprotein and a poly-A RNA sequence through its
RRM domain. It further mediates downregulation of the
expression of MLL target genes HOXC8, HOXA9, CDKN1B, and
C-MYC, in a proline isomerase-dependent manner. Cyp33
also possesses a PPIase activity that catalyzes
cis-trans isomerization of the peptide bond preceding a
proline, which has been implicated in the stimulation of
folding and conformational changes in folded and
unfolded proteins. The PPIase activity can be inhibited
by the immunosuppressive drug cyclosporin A. .
Length = 73
Score = 63.0 bits (154), Expect = 1e-13
Identities = 23/72 (31%), Positives = 42/72 (58%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VGGL ++ E + F +G+I ++ + D T K +GF F+ +E+ ++DN+
Sbjct: 1 LYVGGLAEEVDEKVLHAAFIPFGDIKDIQIPLDYETQKHRGFAFVEFEEPEDAAAAIDNM 60
Query: 96 NGVKVLSRTIRV 107
N ++ RTIRV
Sbjct: 61 NESELFGRTIRV 72
>gnl|CDD|240682 cd12236, RRM_snRNP70, RNA recognition motif in U1 small nuclear
ribonucleoprotein 70 kDa (U1-70K) and similar proteins.
This subfamily corresponds to the RRM of U1-70K, also
termed snRNP70, a key component of the U1 snRNP complex,
which is one of the key factors facilitating the
splicing of pre-mRNA via interaction at the 5' splice
site, and is involved in regulation of polyadenylation
of some viral and cellular genes, enhancing or
inhibiting efficient poly(A) site usage. U1-70K plays an
essential role in targeting the U1 snRNP to the 5'
splice site through protein-protein interactions with
regulatory RNA-binding splicing factors, such as the RS
protein ASF/SF2. Moreover, U1-70K protein can
specifically bind to stem-loop I of the U1 small nuclear
RNA (U1 snRNA) contained in the U1 snRNP complex. It
also mediates the binding of U1C, another U1-specific
protein, to the U1 snRNP complex. U1-70K contains a
conserved RNA recognition motif (RRM), also termed RBD
(RNA binding domain) or RNP (ribonucleoprotein domain),
followed by an adjacent glycine-rich region at the
N-terminal half, and two serine/arginine-rich (SR)
domains at the C-terminal half. The RRM is responsible
for the binding of stem-loop I of U1 snRNA molecule.
Additionally, the most prominent immunodominant region
that can be recognized by auto-antibodies from
autoimmune patients may be located within the RRM. The
SR domains are involved in protein-protein interaction
with SR proteins that mediate 5' splice site
recognition. For instance, the first SR domain is
necessary and sufficient for ASF/SF2 Binding. The family
also includes Drosophila U1-70K that is an essential
splicing factor required for viability in flies, but its
SR domain is dispensable. The yeast U1-70k doesn't
contain easily recognizable SR domains and shows low
sequence similarity in the RRM region with other U1-70k
proteins and therefore not included in this family. The
RRM domain is dispensable for yeast U1-70K function.
Length = 91
Score = 63.0 bits (154), Expect = 1e-13
Identities = 28/73 (38%), Positives = 41/73 (56%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FV L YD +E + F +YG I + LVRDK TGK +G+ FI +E +R +
Sbjct: 4 LFVARLNYDTTESKLRREFEEYGPIKRIRLVRDKKTGKPRGYAFIEFEHERDMKAAYKYA 63
Query: 96 NGVKVLSRTIRVD 108
+G K+ R + VD
Sbjct: 64 DGKKIDGRRVLVD 76
>gnl|CDD|240816 cd12370, RRM1_PUF60, RNA recognition motif 1 in
(U)-binding-splicing factor PUF60 and similar proteins.
This subfamily corresponds to the RRM1 of PUF60, also
termed FUSE-binding protein-interacting repressor
(FBP-interacting repressor or FIR), or Ro-binding
protein 1 (RoBP1), or Siah-binding protein 1 (Siah-BP1).
PUF60 is an essential splicing factor that functions as
a poly-U RNA-binding protein required to reconstitute
splicing in depleted nuclear extracts. Its function is
enhanced through interaction with U2 auxiliary factor
U2AF65. PUF60 also controls human c-myc gene expression
by binding and inhibiting the transcription factor far
upstream sequence element (FUSE)-binding-protein (FBP),
an activator of c-myc promoters. PUF60 contains two
central RNA recognition motifs (RRMs), also termed RBDs
(RNA binding domains) or RNPs (ribonucleoprotein
domains), and a C-terminal U2AF (U2 auxiliary factor)
homology motifs (UHM) that harbors another RRM and binds
to tryptophan-containing linear peptide motifs (UHM
ligand motifs, ULMs) in several nuclear proteins.
Research indicates that PUF60 binds FUSE as a dimer, and
only the first two RRM domains participate in the
single-stranded DNA recognition. .
Length = 76
Score = 62.4 bits (152), Expect = 2e-13
Identities = 24/72 (33%), Positives = 44/72 (61%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG + ++L E + FS +G I ++++ D +T K KGF F+ YE + L+++ +
Sbjct: 3 VYVGSISFELGEDTIRQAFSPFGPIKSIDMSWDPVTMKHKGFAFVEYEVPEAAQLALEQM 62
Query: 96 NGVKVLSRTIRV 107
NGV + R I+V
Sbjct: 63 NGVMLGGRNIKV 74
>gnl|CDD|240847 cd12401, RRM_eIF4H, RNA recognition motif in eukaryotic translation
initiation factor 4H (eIF-4H) and similar proteins.
This subfamily corresponds to the RRM of eIF-4H, also
termed Williams-Beuren syndrome chromosomal region 1
protein, which, together with elf-4B/eIF-4G, serves as
the accessory protein of RNA helicase eIF-4A. eIF-4H
contains a well conserved RNA recognition motif (RRM),
also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain). It stimulates protein
synthesis by enhancing the helicase activity of eIF-4A
in the initiation step of mRNA translation. .
Length = 76
Score = 61.2 bits (149), Expect = 6e-13
Identities = 28/72 (38%), Positives = 44/72 (61%), Gaps = 2/72 (2%)
Query: 37 FVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLN 96
FVG LP++ +GD+ IF + ++ LVRDK T K KGFC++ +ED S +++ +
Sbjct: 5 FVGNLPFNTVQGDLDAIFKDL-SVKSVRLVRDKETDKFKGFCYVEFEDVESLKEALE-YD 62
Query: 97 GVKVLSRTIRVD 108
G R++RVD
Sbjct: 63 GALFDDRSLRVD 74
>gnl|CDD|240821 cd12375, RRM1_Hu_like, RNA recognition motif 1 in the Hu proteins
family, Drosophila sex-lethal (SXL), and similar
proteins. This subfamily corresponds to the RRM1 of Hu
proteins and SXL. The Hu proteins family represents a
group of RNA-binding proteins involved in diverse
biological processes. Since the Hu proteins share high
homology with the Drosophila embryonic lethal abnormal
vision (ELAV) protein, the Hu family is sometimes
referred to as the ELAV family. Drosophila ELAV is
exclusively expressed in neurons and is required for the
correct differentiation and survival of neurons in
flies. The neuronal members of the Hu family include
Hu-antigen B (HuB or ELAV-2 or Hel-N1), Hu-antigen C
(HuC or ELAV-3 or PLE21), and Hu-antigen D (HuD or
ELAV-4), which play important roles in neuronal
differentiation, plasticity and memory. HuB is also
expressed in gonads. Hu-antigen R (HuR or ELAV-1 or HuA)
is ubiquitously expressed Hu family member. It has a
variety of biological functions mostly related to the
regulation of cellular response to DNA damage and other
types of stress. Hu proteins perform their cytoplasmic
and nuclear molecular functions by coordinately
regulating functionally related mRNAs. In the cytoplasm,
Hu proteins recognize and bind to AU-rich RNA elements
(AREs) in the 3' untranslated regions (UTRs) of certain
target mRNAs, such as GAP-43, vascular epithelial growth
factor (VEGF), the glucose transporter GLUT1, eotaxin
and c-fos, and stabilize those ARE-containing mRNAs.
They also bind and regulate the translation of some
target mRNAs, such as neurofilament M, GLUT1, and p27.
In the nucleus, Hu proteins function as regulators of
polyadenylation and alternative splicing. Each Hu
protein contains three RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). RRM1 and RRM2 may cooperate
in binding to an ARE. RRM3 may help to maintain the
stability of the RNA-protein complex, and might also
bind to poly(A) tails or be involved in protein-protein
interactions. This family also includes the sex-lethal
protein (SXL) from Drosophila melanogaster. SXL governs
sexual differentiation and X chromosome dosage
compensation in flies. It induces female-specific
alternative splicing of the transformer (tra) pre-mRNA
by binding to the tra uridine-rich polypyrimidine tract
at the non-sex-specific 3' splice site during the
sex-determination process. SXL binds to its own pre-mRNA
and promotes female-specific alternative splicing. It
contains an N-terminal Gly/Asn-rich domain that may be
responsible for the protein-protein interaction, and
tandem RRMs that show high preference to bind
single-stranded, uridine-rich target RNA transcripts. .
Length = 77
Score = 60.8 bits (148), Expect = 7e-13
Identities = 21/67 (31%), Positives = 43/67 (64%)
Query: 41 LPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKV 100
LP D+++ ++ +F G I + +VRD+ITG+S G+ F+ Y D+ +++ LNG ++
Sbjct: 8 LPQDMTQEELRSLFEAIGPIESCKIVRDRITGQSLGYGFVDYVDENDAQKAINTLNGFEI 67
Query: 101 LSRTIRV 107
++ ++V
Sbjct: 68 RNKRLKV 74
>gnl|CDD|240770 cd12324, RRM_RBM8, RNA recognition motif in RNA-binding protein
RBM8A, RBM8B nd similar proteins. This subfamily
corresponds to the RRM of RBM8, also termed binder of
OVCA1-1 (BOV-1), or RNA-binding protein Y14, which is
one of the components of the exon-exon junction complex
(EJC). It has two isoforms, RBM8A and RBM8B, both of
which are identical except that RBM8B is 16 amino acids
shorter at its N-terminus. RBM8, together with other EJC
components (such as Magoh, Aly/REF, RNPS1, Srm160, and
Upf3), plays critical roles in postsplicing processing,
including nuclear export and cytoplasmic localization of
the mRNA, and the nonsense-mediated mRNA decay (NMD)
surveillance process. RBM8 binds to mRNA 20-24
nucleotides upstream of a spliced exon-exon junction. It
is also involved in spliced mRNA nuclear export, and the
process of nonsense-mediated decay of mRNAs with
premature stop codons. RBM8 forms a specific heterodimer
complex with the EJC protein Magoh which then associates
with Aly/REF, RNPS1, DEK, and SRm160 on the spliced
mRNA, and inhibits ATP turnover by eIF4AIII, thereby
trapping the EJC core onto RNA. RBM8 contains an
N-terminal putative bipartite nuclear localization
signal, one RNA recognition motif (RRM), also termed RBD
(RNA binding domain) or RNP (ribonucleoprotein domain),
in the central region, and a C-terminal serine-arginine
rich region (SR domain) and glycine-arginine rich region
(RG domain). .
Length = 88
Score = 60.7 bits (148), Expect = 1e-12
Identities = 31/75 (41%), Positives = 47/75 (62%), Gaps = 1/75 (1%)
Query: 35 WI-FVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVD 93
WI FV G+ + E DV F+++GEI NL+L D+ TG KG+ I YE ++ +++
Sbjct: 7 WIIFVTGVHEEAQEEDVHDKFAEFGEIKNLHLNLDRRTGFVKGYALIEYETKKEAQAAIE 66
Query: 94 NLNGVKVLSRTIRVD 108
LNG ++L +TI VD
Sbjct: 67 GLNGKELLGQTISVD 81
>gnl|CDD|233496 TIGR01622, SF-CC1, splicing factor, CC1-like family. This model
represents a subfamily of RNA splicing factors including
the Pad-1 protein (N. crassa), CAPER (M. musculus) and
CC1.3 (H.sapiens). These proteins are characterized by
an N-terminal arginine-rich, low complexity domain
followed by three (or in the case of 4 H. sapiens
paralogs, two) RNA recognition domains (rrm: pfam00706).
These splicing factors are closely related to the U2AF
splicing factor family (TIGR01642). A homologous gene
from Plasmodium falciparum was identified in the course
of the analysis of that genome at TIGR and was included
in the seed.
Length = 457
Score = 64.1 bits (156), Expect = 3e-12
Identities = 39/138 (28%), Positives = 70/138 (50%), Gaps = 2/138 (1%)
Query: 4 LTNVKNIKKLSEQELSSGSKTSWHDQYKDSAW--IFVGGLPYDLSEGDVICIFSQYGEIV 61
L I + S+ E + +K + H + ++VG L ++++E ++ IF +G+I
Sbjct: 155 LLGRPIIVQSSQAEKNRAAKAATHQPGDIPNFLKLYVGNLHFNITEQELRQIFEPFGDIE 214
Query: 62 NLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRVDHVNDYKPPKDNKY 121
++ L RD TG+SKGF FI + D +++ +NG ++ R I+V + D D
Sbjct: 215 DVQLHRDPETGRSKGFGFIQFHDAEEAKEALEVMNGFELAGRPIKVGYAQDSTYLLDAAN 274
Query: 122 TDEETKKLRTIGCAPGTE 139
T E+ K + +G TE
Sbjct: 275 TFEDIDKQQQMGKNLNTE 292
Score = 39.9 bits (93), Expect = 5e-04
Identities = 21/80 (26%), Positives = 42/80 (52%), Gaps = 1/80 (1%)
Query: 28 DQYKDSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+ +D +FV L E D+ FS+ G++ ++ ++D+ + +SKG ++ + D S
Sbjct: 84 EAERDDRTVFVLQLALKARERDLYEFFSKVGKVRDVQCIKDRNSRRSKGVAYVEFYDVES 143
Query: 88 TVLSVDNLNGVKVLSRTIRV 107
+ ++ L G +L R I V
Sbjct: 144 VIKAL-ALTGQMLLGRPIIV 162
Score = 27.2 bits (60), Expect = 7.0
Identities = 9/40 (22%), Positives = 20/40 (50%), Gaps = 2/40 (5%)
Query: 162 SKDKKRK-HKEKKVKKEKKKKKKRKKSSS-SSSSSSSDSD 199
+D++R + + +K +++ R++S S S D D
Sbjct: 2 YRDRERGRLRNDTRRSDKGRERSRRRSRSRDRSRRRRDRD 41
>gnl|CDD|240839 cd12393, RRM_ZCRB1, RNA recognition motif in Zinc finger CCHC-type
and RNA-binding motif-containing protein 1 (ZCRB1) and
similar proteins. This subfamily corresponds to the RRM
of ZCRB1, also termed MADP-1, or U11/U12 small nuclear
ribonucleoprotein 31 kDa protein (U11/U12 snRNP 31 or
U11/U12-31K), a novel multi-functional nuclear factor,
which may be involved in morphine dependence, cold/heat
stress, and hepatocarcinoma. It is located in the
nucleoplasm, but outside the nucleolus. ZCRB1 is one of
the components of U11/U12 snRNPs that bind to U12-type
pre-mRNAs and form a di-snRNP complex, simultaneously
recognizing the 5' splice site and branchpoint sequence.
ZCRB1 is characterized by an RNA recognition motif
(RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), and a CCHC-type Zinc finger
motif. In addition, it contains core nucleocapsid
motifs, and Lys- and Glu-rich domains. .
Length = 78
Score = 58.9 bits (143), Expect = 5e-12
Identities = 27/72 (37%), Positives = 44/72 (61%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V LP+ L+ D+ IFS+YG++V + +V+DK T KSKG FI + D+ V L
Sbjct: 4 VYVSNLPFSLTNNDLHKIFSKYGKVVKVTIVKDKETRKSKGVAFILFLDREDAHKCVKAL 63
Query: 96 NGVKVLSRTIRV 107
N ++ RT++
Sbjct: 64 NNKELFGRTLKC 75
>gnl|CDD|240895 cd12449, RRM_CIRBP_RBM3, RNA recognition motif in cold inducible
RNA binding protein (CIRBP), RNA binding motif protein 3
(RBM3) and similar proteins. This subfamily corresponds
to the RRM domain of two structurally related
heterogenous nuclear ribonucleoproteins, CIRBP (also
termed CIRP or A18 hnRNP) and RBM3 (also termed RNPL),
both of which belong to a highly conserved cold shock
proteins family. The cold shock proteins can be induced
after exposure to a moderate cold-shock and other
cellular stresses such as UV radiation and hypoxia.
CIRBP and RBM3 may function in posttranscriptional
regulation of gene expression by binding to different
transcripts, thus allowing the cell to response rapidly
to environmental signals. However, the kinetics and
degree of cold induction are different between CIRBP and
RBM3. Tissue distribution of their expression is
different. CIRBP and RBM3 may be differentially
regulated under physiological and stress conditions and
may play distinct roles in cold responses of cells.
CIRBP, also termed glycine-rich RNA-binding protein
CIRP, is localized in the nucleus and mediates the
cold-induced suppression of cell cycle progression.
CIRBP also binds DNA and possibly serves as a chaperone
that assists in the folding/unfolding,
assembly/disassembly and transport of various proteins.
RBM3 may enhance global protein synthesis and the
formation of active polysomes while reducing the levels
of ribonucleoprotein complexes containing microRNAs.
RBM3 may also serve to prevent the loss of muscle mass
by its ability to decrease cell death. Furthermore, RBM3
may be essential for cell proliferation and mitosis.
Both, CIRBP and RBM3, contain an N-terminal RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), that is
involved in RNA binding, and C-terminal glycine-rich
domain (RGG motif) that probably enhances RNA-binding
via protein-protein and/or protein-RNA interactions.
Like CIRBP, RBM3 can also bind to both RNA and DNA via
its RRM domain. .
Length = 80
Score = 58.3 bits (141), Expect = 8e-12
Identities = 27/77 (35%), Positives = 47/77 (61%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+F+GGL +D +E + +FS+YG+I + +V+D+ T +S+GF F+ +E+ ++ +
Sbjct: 3 LFIGGLSFDTNEQSLEQVFSKYGQISEVVVVKDRETQRSRGFGFVTFENPDDAKDAMMAM 62
Query: 96 NGVKVLSRTIRVDHVND 112
NG V R IRVD
Sbjct: 63 NGKSVDGRQIRVDQAGK 79
>gnl|CDD|240817 cd12371, RRM2_PUF60, RNA recognition motif 2 in
(U)-binding-splicing factor PUF60 and similar proteins.
This subfamily corresponds to the RRM2 of PUF60, also
termed FUSE-binding protein-interacting repressor
(FBP-interacting repressor or FIR), or Ro-binding
protein 1 (RoBP1), or Siah-binding protein 1 (Siah-BP1).
PUF60 is an essential splicing factor that functions as
a poly-U RNA-binding protein required to reconstitute
splicing in depleted nuclear extracts. Its function is
enhanced through interaction with U2 auxiliary factor
U2AF65. PUF60 also controls human c-myc gene expression
by binding and inhibiting the transcription factor far
upstream sequence element (FUSE)-binding-protein (FBP),
an activator of c-myc promoters. PUF60 contains two
central RNA recognition motifs (RRMs), also termed RBDs
(RNA binding domains) or RNPs (ribonucleoprotein
domains), and a C-terminal U2AF (U2 auxiliary factor)
homology motifs (UHM) that harbors another RRM and binds
to tryptophan-containing linear peptide motifs (UHM
ligand motifs, ULMs) in several nuclear proteins.
Research indicates that PUF60 binds FUSE as a dimer, and
only the first two RRM domains participate in the
single-stranded DNA recognition. .
Length = 77
Score = 58.0 bits (141), Expect = 9e-12
Identities = 25/72 (34%), Positives = 43/72 (59%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
I+V + DLSE D+ +F +G+I + +L D TGK KG+ FI YE+ +S ++ ++
Sbjct: 3 IYVASVHPDLSEDDIKSVFEAFGKIKSCSLAPDPETGKHKGYGFIEYENPQSAQDAIASM 62
Query: 96 NGVKVLSRTIRV 107
N + + +RV
Sbjct: 63 NLFDLGGQQLRV 74
>gnl|CDD|240771 cd12325, RRM1_hnRNPA_hnRNPD_like, RNA recognition motif 1 in
heterogeneous nuclear ribonucleoprotein hnRNP A and
hnRNP D subfamilies and similar proteins. This
subfamily corresponds to the RRM1 in the hnRNP A
subfamily which includes hnRNP A0, hnRNP A1, hnRNP
A2/B1, hnRNP A3 and similar proteins. hnRNP A0 is a low
abundance hnRNP protein that has been implicated in
mRNA stability in mammalian cells. hnRNP A1 is an
abundant eukaryotic nuclear RNA-binding protein that
may modulate splice site selection in pre-mRNA
splicing. hnRNP A2/B1 is an RNA trafficking response
element-binding protein that interacts with the hnRNP
A2 response element (A2RE). hnRNP A3 is also a RNA
trafficking response element-binding protein that
participates in the trafficking of A2RE-containing RNA.
The hnRNP A subfamily is characterized by two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
followed by a long glycine-rich region at the
C-terminus. The hnRNP D subfamily includes hnRNP D0,
hnRNP A/B, hnRNP DL and similar proteins. hnRNP D0 is a
UUAG-specific nuclear RNA binding protein that may be
involved in pre-mRNA splicing and telomere elongation.
hnRNP A/B is an RNA unwinding protein with a high
affinity for G- followed by U-rich regions. hnRNP A/B
has also been identified as an APOBEC1-binding protein
that interacts with apolipoprotein B (apoB) mRNA
transcripts around the editing site and thus, plays an
important role in apoB mRNA editing. hnRNP DL (or hnRNP
D-like) is a dual functional protein that possesses
DNA- and RNA-binding properties. It has been implicated
in mRNA biogenesis at the transcriptional and
post-transcriptional levels. All members in this
subfamily contain two putative RRMs and a glycine- and
tyrosine-rich C-terminus. The family also contains
DAZAP1 (Deleted in azoospermia-associated protein 1),
RNA-binding protein Musashi homolog Musashi-1,
Musashi-2 and similar proteins. They all harbor two
RRMs. .
Length = 72
Score = 57.6 bits (140), Expect = 1e-11
Identities = 22/52 (42%), Positives = 37/52 (71%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+F+GGL +D +E + FS+YGE+V+ +++D ITG+S+GF F+ + D S
Sbjct: 1 LFIGGLSWDTTEESLREYFSKYGEVVDCVIMKDPITGRSRGFGFVTFADPSS 52
>gnl|CDD|241095 cd12651, RRM2_SXL, RNA recognition motif 2 in Drosophila
sex-lethal (SXL) and similar proteins. This subfamily
corresponds to the RRM2 of the sex-lethal protein (SXL)
which governs sexual differentiation and X chromosome
dosage compensation in Drosophila melanogaster. It
induces female-specific alternative splicing of the
transformer (tra) pre-mRNA by binding to the tra
uridine-rich polypyrimidine tract at the
non-sex-specific 3' splice site during the
sex-determination process. SXL binds also to its own
pre-mRNA and promotes female-specific alternative
splicing. SXL contains an N-terminal Gly/Asn-rich
domain that may be responsible for the protein-protein
interaction, and tandem RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), that show high preference
to bind single-stranded, uridine-rich target RNA
transcripts. .
Length = 79
Score = 58.0 bits (140), Expect = 1e-11
Identities = 24/63 (38%), Positives = 37/63 (58%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V LP L+E ++ IF YG IV NL+RDK TG +G F+ Y+ + ++ +L
Sbjct: 3 LYVTNLPRQLTEDELRKIFEAYGNIVQCNLLRDKSTGLPRGVAFVRYDKREEAQAAISSL 62
Query: 96 NGV 98
NG
Sbjct: 63 NGT 65
>gnl|CDD|240894 cd12448, RRM2_gar2, RNA recognition motif 2 in yeast protein gar2
and similar proteins. This subfamily corresponds to the
RRM2 of yeast protein gar2, a novel nucleolar protein
required for 18S rRNA and 40S ribosomal subunit
accumulation. It shares similar domain architecture with
nucleolin from vertebrates and NSR1 from Saccharomyces
cerevisiae. The highly phosphorylated N-terminal domain
of gar2 is made up of highly acidic regions separated
from each other by basic sequences, and contains
multiple phosphorylation sites. The central domain of
gar2 contains two closely adjacent N-terminal RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains). The
C-terminal RGG (or GAR) domain of gar2 is rich in
glycine, arginine and phenylalanine residues. .
Length = 73
Score = 57.4 bits (139), Expect = 1e-11
Identities = 25/73 (34%), Positives = 42/73 (57%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG L +D E + F +YGEI ++ L D +G+ KGF ++ + Q + ++D L
Sbjct: 1 LFVGNLSFDADEDSIYEAFGEYGEISSVRLPTDPDSGRPKGFGYVEFSSQEAAQAALDAL 60
Query: 96 NGVKVLSRTIRVD 108
G +L R +R+D
Sbjct: 61 GGTDLLGRPVRLD 73
>gnl|CDD|240809 cd12363, RRM_TRA2, RNA recognition motif in transformer-2 protein
homolog TRA2-alpha, TRA2-beta and similar proteins.
This subfamily corresponds to the RRM of two mammalian
homologs of Drosophila transformer-2 (Tra2), TRA2-alpha,
TRA2-beta (also termed SFRS10), and similar proteins
found in eukaryotes. TRA2-alpha is a 40-kDa
serine/arginine-rich (SR) protein that specifically
binds to gonadotropin-releasing hormone (GnRH) exonic
splicing enhancer on exon 4 (ESE4) and is necessary for
enhanced GnRH pre-mRNA splicing. It strongly stimulates
GnRH intron A excision in a dose-dependent manner. In
addition, TRA2-alpha can interact with either 9G8 or
SRp30c, which may also be crucial for ESE-dependent GnRH
pre-mRNA splicing. TRA2-beta is a serine/arginine-rich
(SR) protein that controls the pre-mRNA alternative
splicing of the calcitonin/calcitonin gene-related
peptide (CGRP), the survival motor neuron 1 (SMN1)
protein and the tau protein. Both, TRA2-alpha and
TRA2-beta, contains a well conserved RNA recognition
motif (RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), flanked by the N- and
C-terminal arginine/serine (RS)-rich regions. .
Length = 78
Score = 56.1 bits (136), Expect = 4e-11
Identities = 27/71 (38%), Positives = 43/71 (60%)
Query: 38 VGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNG 97
V GL +E D+ +FS+YG I + +V D+ TG+S+GF F+ +E + + LNG
Sbjct: 4 VFGLSLYTTERDLREVFSRYGPIEKVQVVYDQKTGRSRGFGFVYFESVEDAKEAKERLNG 63
Query: 98 VKVLSRTIRVD 108
+++ R IRVD
Sbjct: 64 MEIDGRRIRVD 74
>gnl|CDD|240762 cd12316, RRM3_RBM19_RRM2_MRD1, RNA recognition motif 3 in
RNA-binding protein 19 (RBM19) and RNA recognition motif
2 found in multiple RNA-binding domain-containing
protein 1 (MRD1). This subfamily corresponds to the
RRM3 of RBM19 and RRM2 of MRD1. RBM19, also termed
RNA-binding domain-1 (RBD-1), is a nucleolar protein
conserved in eukaryotes involved in ribosome biogenesis
by processing rRNA and is essential for preimplantation
development. It has a unique domain organization
containing 6 conserved RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). MRD1 is encoded by a novel
yeast gene MRD1 (multiple RNA-binding domain). It is
well conserved in yeast and its homologs exist in all
eukaryotes. MRD1 is present in the nucleolus and the
nucleoplasm. It interacts with the 35 S precursor rRNA
(pre-rRNA) and U3 small nucleolar RNAs (snoRNAs). It is
essential for the initial processing at the A0-A2
cleavage sites in the 35 S pre-rRNA. MRD1 contains 5
conserved RRMs, which may play an important structural
role in organizing specific rRNA processing events. .
Length = 74
Score = 56.2 bits (136), Expect = 5e-11
Identities = 23/72 (31%), Positives = 38/72 (52%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FV LP+ +E ++ +F +GEI ++L DK T +SKGF F+ + V + L
Sbjct: 2 LFVRNLPFTTTEEELRELFEAFGEISEVHLPLDKETKRSKGFAFVSFMFPEHAVKAYSEL 61
Query: 96 NGVKVLSRTIRV 107
+G R + V
Sbjct: 62 DGSIFQGRLLHV 73
>gnl|CDD|233503 TIGR01642, U2AF_lg, U2 snRNP auxilliary factor, large subunit,
splicing factor. These splicing factors consist of an
N-terminal arginine-rich low complexity domain followed
by three tandem RNA recognition motifs (pfam00076). The
well-characterized members of this family are auxilliary
components of the U2 small nuclear ribonuclearprotein
splicing factor (U2AF). These proteins are closely
related to the CC1-like subfamily of splicing factors
(TIGR01622). Members of this subfamily are found in
plants, metazoa and fungi.
Length = 509
Score = 60.3 bits (146), Expect = 5e-11
Identities = 31/106 (29%), Positives = 49/106 (46%), Gaps = 10/106 (9%)
Query: 2 NPLTNVKNIKKLSEQELSSGSKTSWHDQYKDSAWIFVGGLPYDLSEGDVICIFSQYGEIV 61
NP N KN+ E S T + + I++G LP L E + + +G++
Sbjct: 274 NPDDNAKNV------EKLVNSTTVLDSKDR----IYIGNLPLYLGEDQIKELLESFGDLK 323
Query: 62 NLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRV 107
NL++D TG SKG+ F Y+D T +++ LNG + V
Sbjct: 324 AFNLIKDIATGLSKGYAFCEYKDPSVTDVAIAALNGKDTGDNKLHV 369
>gnl|CDD|233516 TIGR01661, ELAV_HUD_SF, ELAV/HuD family splicing factor. This
model describes the ELAV/HuD subfamily of splicing
factors found in metazoa. HuD stands for the human
paraneoplastic encephalomyelitis antigen D of which
there are 4 variants in human. ELAV stnds for the
Drosophila Embryonic lethal abnormal visual protein.
ELAV-like splicing factors are also known in human as
HuB (ELAV-like protein 2), HuC (ELAV-like protein 3,
Paraneoplastic cerebellar degeneration-associated
antigen) and HuR (ELAV-like protein 1). These genes are
most closely related to the sex-lethal subfamily of
splicing factors found in Dipteran insects (TIGR01659).
These proteins contain 3 RNA-recognition motifs (rrm:
pfam00076).
Length = 352
Score = 58.8 bits (142), Expect = 2e-10
Identities = 25/72 (34%), Positives = 47/72 (65%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+ V LP +++ ++ +F+ GEI + LVRDK+TG+S G+ F+ Y +V++L
Sbjct: 6 LIVNYLPQTMTQEEIRSLFTSIGEIESCKLVRDKVTGQSLGYGFVNYVRPEDAEKAVNSL 65
Query: 96 NGVKVLSRTIRV 107
NG+++ ++TI+V
Sbjct: 66 NGLRLQNKTIKV 77
Score = 46.9 bits (111), Expect = 2e-06
Identities = 22/72 (30%), Positives = 41/72 (56%), Gaps = 1/72 (1%)
Query: 28 DQYKDSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
D K + ++V GLP +++ ++ IFS +G+I+ ++ D +TG SKG FI ++ +
Sbjct: 85 DSIKGAN-LYVSGLPKTMTQHELESIFSPFGQIITSRILSDNVTGLSKGVGFIRFDKRDE 143
Query: 88 TVLSVDNLNGVK 99
++ LNG
Sbjct: 144 ADRAIKTLNGTT 155
Score = 46.5 bits (110), Expect = 2e-06
Identities = 23/90 (25%), Positives = 47/90 (52%), Gaps = 2/90 (2%)
Query: 18 LSSGSKTSWHDQYKDSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGF 77
L++G++ + D IFV L D E + +F +G + N+ ++RD T + KG+
Sbjct: 256 LAAGAQIAASDGAGYC--IFVYNLSPDTDETVLWQLFGPFGAVQNVKIIRDLTTNQCKGY 313
Query: 78 CFICYEDQRSTVLSVDNLNGVKVLSRTIRV 107
F+ + +++ +LNG + +R ++V
Sbjct: 314 GFVSMTNYDEAAMAILSLNGYTLGNRVLQV 343
>gnl|CDD|240776 cd12330, RRM2_Hrp1p, RNA recognition motif 2 in yeast nuclear
polyadenylated RNA-binding protein 4 (Hrp1p or Nab4p)
and similar proteins. This subfamily corresponds to
the RRM1 of Hrp1p and similar proteins. Hrp1p or Nab4p,
also termed cleavage factor IB (CFIB), is a
sequence-specific trans-acting factor that is essential
for mRNA 3'-end formation in yeast Saccharomyces
cerevisiae. It can be UV cross-linked to RNA and
specifically recognizes the (UA)6 RNA element required
for both, the cleavage and poly(A) addition steps.
Moreover, Hrp1p can shuttle between the nucleus and the
cytoplasm, and play an additional role in the export of
mRNAs to the cytoplasm. Hrp1p also interacts with
Rna15p and Rna14p, two components of CF1A. In addition,
Hrp1p functions as a factor directly involved in
modulating the activity of the nonsense-mediated mRNA
decay (NMD) pathway; it binds specifically to a
downstream sequence element (DSE)-containing RNA and
interacts with Upf1p, a component of the surveillance
complex, further triggering the NMD pathway. Hrp1p
contains two central RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and an
arginine-glycine-rich region harboring repeats of the
sequence RGGF/Y. .
Length = 75
Score = 54.3 bits (131), Expect = 2e-10
Identities = 22/52 (42%), Positives = 38/52 (73%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
IFVGGLP D++E + FSQ+G++V+ L++D TG+S+GF F+ ++ + +
Sbjct: 2 IFVGGLPPDVTEEEFKEYFSQFGKVVDAQLMQDHDTGRSRGFGFVTFDSESA 53
>gnl|CDD|240808 cd12362, RRM3_CELF1-6, RNA recognition motif 3 in CELF/Bruno-like
family of RNA binding proteins CELF1, CELF2, CELF3,
CELF4, CELF5, CELF6 and similar proteins. This subgroup
corresponds to the RRM3 of the CUGBP1 and ETR-3-like
factors (CELF) or BRUNOL (Bruno-like) proteins, a family
of structurally related RNA-binding proteins involved in
the regulation of pre-mRNA splicing in the nucleus and
in the control of mRNA translation and deadenylation in
the cytoplasm. The family contains six members: CELF-1
(also termed BRUNOL-2, or CUG-BP1, or NAPOR, or
EDEN-BP), CELF-2 (also termed BRUNOL-3, or ETR-3, or
CUG-BP2, or NAPOR-2), CELF-3 (also termed BRUNOL-1, or
TNRC4, or ETR-1, or CAGH4, or ER DA4), CELF-4 (also
termed BRUNOL-4), CELF-5 (also termed BRUNOL-5), CELF-6
(also termed BRUNOL-6). They all contain three highly
conserved RNA recognition motifs (RRMs), also known as
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains): two consecutive RRMs (RRM1 and RRM2) situated
in the N-terminal region followed by a linker region and
the third RRM (RRM3) close to the C-terminus of the
protein. The low sequence conservation of the linker
region is highly suggestive of a large variety in the
co-factors that associate with the various CELF family
members. Based on both sequence similarity and function,
the CELF family can be divided into two subfamilies, the
first containing CELFs 1 and 2, and the second
containing CELFs 3, 4, 5, and 6. The different CELF
proteins may act through different sites on at least
some substrates. Furthermore, CELF proteins may interact
with each other in varying combinations to influence
alternative splicing in different contexts. .
Length = 73
Score = 54.2 bits (131), Expect = 3e-10
Identities = 20/72 (27%), Positives = 44/72 (61%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+F+ LP + ++ D+ +F+ +G +++ + DK TG+SK F F+ Y++ S ++ +
Sbjct: 1 LFIYHLPNEFTDQDLYQLFAPFGNVISAKVFVDKNTGQSKCFGFVSYDNPESAQAAIKAM 60
Query: 96 NGVKVLSRTIRV 107
NG +V + ++V
Sbjct: 61 NGFQVGGKRLKV 72
>gnl|CDD|241094 cd12650, RRM1_Hu, RNA recognition motif 1 in the Hu proteins
family. This subfamily corresponds to the RRM1 of the
Hu proteins family which represents a group of
RNA-binding proteins involved in diverse biological
processes. Since the Hu proteins share high homology
with the Drosophila embryonic lethal abnormal vision
(ELAV) protein, the Hu family is sometimes referred to
as the ELAV family. Drosophila ELAV is exclusively
expressed in neurons and is required for the correct
differentiation and survival of neurons in flies. The
neuronal members of the Hu family include Hu-antigen B
(HuB or ELAV-2 or Hel-N1), Hu-antigen C (HuC or ELAV-3
or PLE21), and Hu-antigen D (HuD or ELAV-4), which play
important roles in neuronal differentiation, plasticity
and memory. HuB is also expressed in gonads. Hu-antigen
R (HuR or ELAV-1 or HuA) is the ubiquitously expressed
Hu family member. It has a variety of biological
functions mostly related to the regulation of cellular
response to DNA damage and other types of stress. HuR
has an anti-apoptotic function during early cell stress
response. It binds to mRNAs and enhances the expression
of several anti-apoptotic proteins, such as p21waf1,
p53, and prothymosin alpha. HuR also has pro-apoptotic
function by promoting apoptosis when cell death is
unavoidable. Furthermore, HuR may be important in muscle
differentiation, adipogenesis, suppression of
inflammatory response and modulation of gene expression
in response to chronic ethanol exposure and amino acid
starvation. Hu proteins perform their cytoplasmic and
nuclear molecular functions by coordinately regulating
functionally related mRNAs. In the cytoplasm, Hu
proteins recognize and bind to AU-rich RNA elements
(AREs) in the 3' untranslated regions (UTRs) of certain
target mRNAs, such as GAP-43, vascular epithelial growth
factor (VEGF), the glucose transporter GLUT1, eotaxin
and c-fos, and stabilize those ARE-containing mRNAs.
They also bind and regulate the translation of some
target mRNAs, such as neurofilament M, GLUT1, and p27.
In the nucleus, Hu proteins function as regulators of
polyadenylation and alternative splicing. Each Hu
protein contains three RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). RRM1 and RRM2 may cooperate
in binding to an ARE. RRM3 may help to maintain the
stability of the RNA-protein complex, and might also
bind to poly(A) tails or be involved in protein-protein
interactions. .
Length = 78
Score = 54.4 bits (131), Expect = 3e-10
Identities = 24/69 (34%), Positives = 47/69 (68%)
Query: 41 LPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKV 100
LP ++++ ++ +FS GEI + L+RDK+TG+S G+ F+ Y D +++ LNG+++
Sbjct: 9 LPQNMTQDEIRSLFSSIGEIESCKLIRDKVTGQSLGYGFVNYVDPEDAEKAINTLNGLRL 68
Query: 101 LSRTIRVDH 109
++TI+V +
Sbjct: 69 QNKTIKVSY 77
>gnl|CDD|223796 COG0724, COG0724, RNA-binding proteins (RRM domain) [General
function prediction only].
Length = 306
Score = 58.0 bits (139), Expect = 3e-10
Identities = 36/114 (31%), Positives = 61/114 (53%)
Query: 4 LTNVKNIKKLSEQELSSGSKTSWHDQYKDSAWIFVGGLPYDLSEGDVICIFSQYGEIVNL 63
+ E SS S S +++ +FVG LPYD++E D+ +F ++G + +
Sbjct: 86 GERGYTKEFEEELFRSSESPKSRQKSKEENNTLFVGNLPYDVTEEDLRELFKKFGPVKRV 145
Query: 64 NLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRVDHVNDYKPPK 117
LVRD+ TGKS+GF F+ +E + S +++ LNG ++ R +RV P+
Sbjct: 146 RLVRDRETGKSRGFAFVEFESEESAEKAIEELNGKELEGRPLRVQKAQPASQPR 199
>gnl|CDD|241075 cd12631, RRM1_CELF1_2_Bruno, RNA recognition motif 1 in CUGBP
Elav-like family member CELF-1, CELF-2, Drosophila
melanogaster Bruno protein and similar proteins. This
subgroup corresponds to the RRM1 of CELF-1, CELF-2 and
Bruno protein. CELF-1 (also termed BRUNOL-2, or CUG-BP1,
or EDEN-BP) and CELF-2 (also termed BRUNOL-3, or ETR-3,
or CUG-BP2, or NAPOR) belong to the CUGBP1 and
ETR-3-like factors (CELF) or BRUNOL (Bruno-like) family
of RNA-binding proteins that have been implicated in
regulation of pre-mRNA splicing, and control of mRNA
translation and deadenylation. CELF-1 is strongly
expressed in all adult and fetal tissues tested. The
human CELF-1 is a nuclear and cytoplasmic RNA-binding
protein that regulates multiple aspects of nuclear and
cytoplasmic mRNA processing, with implications for onset
of type 1 myotonic dystrophy (DM1), a neuromuscular
disease associated with an unstable CUG triplet
expansion in the 3'-UTR (3'-untranslated region) of the
DMPK (myotonic dystrophy protein kinase) gene; it
preferentially targets UGU-rich mRNA elements. It has
been shown to bind to a Bruno response element, a
cis-element involved in translational control of oskar
mRNA in Drosophila, and share sequence similarity to
Bruno, the Drosophila protein that mediates this
process. The Xenopus homolog embryo deadenylation
element-binding protein (EDEN-BP) mediates
sequence-specific deadenylation of Eg5 mRNA. It binds
specifically to the EDEN motif in the 3'-untranslated
regions of maternal mRNAs and targets these mRNAs for
deadenylation and translational repression. CELF-1
contain three highly conserved RNA recognition motifs
(RRMs), also known as RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains): two consecutive RRMs (RRM1
and RRM2) situated in the N-terminal region followed by
a linker region and the third RRM (RRM3) close to the
C-terminus of the protein. The two N-terminal RRMs of
EDEN-BP are necessary for the interaction with EDEN as
well as a part of the linker region (between RRM2 and
RRM3). Oligomerization of EDEN-BP is required for
specific mRNA deadenylation and binding. CELF-2 is
expressed in all tissues at some level, but highest in
brain, heart, and thymus. It has been implicated in the
regulation of nuclear and cytoplasmic RNA processing
events, including alternative splicing, RNA editing,
stability and translation. CELF-2 shares high sequence
identity with CELF-1, but shows different binding
specificity; it binds preferentially to sequences with
UG repeats and UGUU motifs. It has been shown to bind to
a Bruno response element, a cis-element involved in
translational control of oskar mRNA in Drosophila, and
share sequence similarity to Bruno, the Drosophila
protein that mediates this process. It also binds to the
3'-UTR of cyclooxygenase-2 messages, affecting both
translation and mRNA stability, and binds to apoB mRNA,
regulating its C to U editing. CELF-2 also contains
three highly conserved RRMs. It binds to RNA via the
first two RRMs, which are also important for
localization in the cytoplasm. The splicing activation
or repression activity of CELF-2 on some specific
substrates is mediated by RRM1/RRM2. Both, RRM1 and RRM2
of CELF-2, can activate cardiac troponin T (cTNT) exon 5
inclusion. In addition, CELF-2 possesses a typical
arginine and lysine-rich nuclear localization signal
(NLS) in the C-terminus, within RRM3. This subgroup also
includes Drosophila melanogaster Bruno protein, which
plays a central role in regulation of Oskar (Osk)
expression in flies. It mediates repression by binding
to regulatory Bruno response elements (BREs) in the Osk
mRNA 3' UTR. The full-length Bruno protein contains
three RRMs, two located in the N-terminal half of the
protein and the third near the C-terminus, separated by
a linker region. .
Length = 84
Score = 54.0 bits (130), Expect = 3e-10
Identities = 22/69 (31%), Positives = 42/69 (60%), Gaps = 2/69 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITG--KSKGFCFICYEDQRSTVLSVD 93
+FVG +P SE D+ +F QYG + +N++RD+ +SKG CF+ + +++ + + +
Sbjct: 4 MFVGQIPRSWSEKDLRELFEQYGAVYQINVLRDRSQNPPQSKGCCFVTFYTRKAALEAQN 63
Query: 94 NLNGVKVLS 102
L+ +K L
Sbjct: 64 ALHNMKTLP 72
>gnl|CDD|240775 cd12329, RRM2_hnRNPD_like, RNA recognition motif 2 in
heterogeneous nuclear ribonucleoprotein hnRNP D0, hnRNP
A/B, hnRNP DL and similar proteins. This subfamily
corresponds to the RRM2 of hnRNP D0, hnRNP A/B, hnRNP
DL and similar proteins. hnRNP D0, a UUAG-specific
nuclear RNA binding protein that may be involved in
pre-mRNA splicing and telomere elongation. hnRNP A/B is
an RNA unwinding protein with a high affinity for G-
followed by U-rich regions. It has also been identified
as an APOBEC1-binding protein that interacts with
apolipoprotein B (apoB) mRNA transcripts around the
editing site and thus plays an important role in apoB
mRNA editing. hnRNP DL (or hnRNP D-like) is a dual
functional protein that possesses DNA- and RNA-binding
properties. It has been implicated in mRNA biogenesis
at the transcriptional and post-transcriptional levels.
All memembers in this family contain two putative RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
and a glycine- and tyrosine-rich C-terminus. .
Length = 75
Score = 53.1 bits (128), Expect = 6e-10
Identities = 21/50 (42%), Positives = 31/50 (62%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ 85
IFVGGL + +E + F ++G IV + L DK T K +GFCFI ++ +
Sbjct: 2 IFVGGLSPETTEEKIREYFGKFGNIVEIELPMDKKTNKRRGFCFITFDSE 51
>gnl|CDD|178680 PLN03134, PLN03134, glycine-rich RNA-binding protein 4;
Provisional.
Length = 144
Score = 55.0 bits (132), Expect = 7e-10
Identities = 23/80 (28%), Positives = 49/80 (61%)
Query: 33 SAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSV 92
S +F+GGL + + + F+ +G++V+ ++ D+ TG+S+GF F+ + D+ + ++
Sbjct: 34 STKLFIGGLSWGTDDASLRDAFAHFGDVVDAKVIVDRETGRSRGFGFVNFNDEGAATAAI 93
Query: 93 DNLNGVKVLSRTIRVDHVND 112
++G ++ R IRV+ ND
Sbjct: 94 SEMDGKELNGRHIRVNPAND 113
>gnl|CDD|240695 cd12249, RRM1_hnRNPR_like, RNA recognition motif 1 in heterogeneous
nuclear ribonucleoprotein R (hnRNP R) and similar
proteins. This subfamily corresponds to the RRM1 in
hnRNP R, hnRNP Q, APOBEC-1 complementation factor (ACF),
and dead end protein homolog 1 (DND1). hnRNP R is a
ubiquitously expressed nuclear RNA-binding protein that
specifically binds mRNAs with a preference for poly(U)
stretches. It has been implicated in mRNA processing and
mRNA transport, and also acts as a regulator to modify
binding to ribosomes and RNA translation. hnRNP Q is
also a ubiquitously expressed nuclear RNA-binding
protein. It has been identified as a component of the
spliceosome complex, as well as a component of the
apobec-1 editosome, and has been implicated in the
regulation of specific mRNA transport. ACF is an
RNA-binding subunit of a core complex that interacts
with apoB mRNA to facilitate C to U RNA editing. It may
also act as an apoB mRNA recognition factor and
chaperone, and play a key role in cell growth and
differentiation. DND1 is essential for maintaining
viable germ cells in vertebrates. It interacts with the
3'-untranslated region (3'-UTR) of multiple messenger
RNAs (mRNAs) and prevents micro-RNA (miRNA) mediated
repression of mRNA. This family also includes two
functionally unknown RNA-binding proteins, RBM46 and
RBM47. All members in this family, except for DND1,
contain three conserved RNA recognition motifs (RRMs);
DND1 harbors only two RRMs. .
Length = 78
Score = 52.9 bits (128), Expect = 7e-10
Identities = 20/73 (27%), Positives = 41/73 (56%), Gaps = 2/73 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG +P DL E +++ +F + G I L L+ D G ++G+ F+ Y ++ + +V L
Sbjct: 4 VFVGKIPRDLFEDELVPLFEKAGPIYELRLMMDFS-GLNRGYAFVTYTNKEAAQRAVKQL 62
Query: 96 NGVKV-LSRTIRV 107
+ ++ + + V
Sbjct: 63 HNYEIRPGKRLGV 75
>gnl|CDD|240822 cd12376, RRM2_Hu_like, RNA recognition motif 2 in the Hu proteins
family, Drosophila sex-lethal (SXL), and similar
proteins. This subfamily corresponds to the RRM2 of Hu
proteins and SXL. The Hu proteins family represents a
group of RNA-binding proteins involved in diverse
biological processes. Since the Hu proteins share high
homology with the Drosophila embryonic lethal abnormal
vision (ELAV) protein, the Hu family is sometimes
referred to as the ELAV family. Drosophila ELAV is
exclusively expressed in neurons and is required for
the correct differentiation and survival of neurons in
flies. The neuronal members of the Hu family include
Hu-antigen B (HuB or ELAV-2 or Hel-N1), Hu-antigen C
(HuC or ELAV-3 or PLE21), and Hu-antigen D (HuD or
ELAV-4), which play important roles in neuronal
differentiation, plasticity and memory. HuB is also
expressed in gonads. Hu-antigen R (HuR or ELAV-1 or
HuA) is the ubiquitously expressed Hu family member. It
has a variety of biological functions mostly related to
the regulation of cellular response to DNA damage and
other types of stress. Hu proteins perform their
cytoplasmic and nuclear molecular functions by
coordinately regulating functionally related mRNAs. In
the cytoplasm, Hu proteins recognize and bind to
AU-rich RNA elements (AREs) in the 3' untranslated
regions (UTRs) of certain target mRNAs, such as GAP-43,
vascular epithelial growth factor (VEGF), the glucose
transporter GLUT1, eotaxin and c-fos, and stabilize
those ARE-containing mRNAs. They also bind and regulate
the translation of some target mRNAs, such as
neurofilament M, GLUT1, and p27. In the nucleus, Hu
proteins function as regulators of polyadenylation and
alternative splicing. Each Hu protein contains three
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains).
RRM1 and RRM2 may cooperate in binding to an ARE. RRM3
may help to maintain the stability of the RNA-protein
complex, and might also bind to poly(A) tails or be
involved in protein-protein interactions. Also included
in this subfamily is the sex-lethal protein (SXL) from
Drosophila melanogaster. SXL governs sexual
differentiation and X chromosome dosage compensation in
flies. It induces female-specific alternative splicing
of the transformer (tra) pre-mRNA by binding to the tra
uridine-rich polypyrimidine tract at the
non-sex-specific 3' splice site during the
sex-determination process. SXL binds also to its own
pre-mRNA and promotes female-specific alternative
splicing. SXL contains an N-terminal Gly/Asn-rich
domain that may be responsible for the protein-protein
interaction, and tandem RRMs that show high preference
to bind single-stranded, uridine-rich target RNA
transcripts. .
Length = 79
Score = 53.0 bits (127), Expect = 7e-10
Identities = 22/64 (34%), Positives = 41/64 (64%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V GLP +++ ++ +FSQYG I+ ++RD++TG S+G FI ++ + ++ L
Sbjct: 3 LYVSGLPKTMTQKELEQLFSQYGRIITSRILRDQLTGVSRGVGFIRFDKRIEAEEAIKGL 62
Query: 96 NGVK 99
NG K
Sbjct: 63 NGQK 66
>gnl|CDD|241010 cd12566, RRM2_MRD1, RNA recognition motif 2 in yeast multiple
RNA-binding domain-containing protein 1 (MRD1) and
similar proteins. This subgroup corresponds to the RRM2
of MRD1 which is encoded by a novel yeast gene MRD1
(multiple RNA-binding domain). It is well-conserved in
yeast and its homologs exist in all eukaryotes. MRD1 is
present in the nucleolus and the nucleoplasm. It
interacts with the 35 S precursor rRNA (pre-rRNA) and U3
small nucleolar RNAs (snoRNAs). It is essential for the
initial processing at the A0-A2 cleavage sites in the 35
S pre-rRNA. MRD1 contains 5 conserved RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains), which may play an
important structural role in organizing specific rRNA
processing events. .
Length = 79
Score = 52.8 bits (127), Expect = 1e-09
Identities = 25/76 (32%), Positives = 43/76 (56%)
Query: 32 DSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLS 91
++ +FV LPY E D+ +FS++GE+ +++ DK +GKSKGF ++ + D V +
Sbjct: 1 ETGRLFVRNLPYSCKEDDLEKLFSKFGELSEVHVAIDKKSGKSKGFAYVLFLDPEDAVKA 60
Query: 92 VDNLNGVKVLSRTIRV 107
L+G R I +
Sbjct: 61 YKELDGKVFQGRLIHI 76
>gnl|CDD|240823 cd12377, RRM3_Hu, RNA recognition motif 3 in the Hu proteins
family. This subfamily corresponds to the RRM3 of the
Hu proteins family which represent a group of
RNA-binding proteins involved in diverse biological
processes. Since the Hu proteins share high homology
with the Drosophila embryonic lethal abnormal vision
(ELAV) protein, the Hu family is sometimes referred to
as the ELAV family. Drosophila ELAV is exclusively
expressed in neurons and is required for the correct
differentiation and survival of neurons in flies. The
neuronal members of the Hu family include Hu-antigen B
(HuB or ELAV-2 or Hel-N1), Hu-antigen C (HuC or ELAV-3
or PLE21), and Hu-antigen D (HuD or ELAV-4), which play
important roles in neuronal differentiation, plasticity
and memory. HuB is also expressed in gonads. Hu-antigen
R (HuR or ELAV-1 or HuA) is the ubiquitously expressed
Hu family member. It has a variety of biological
functions mostly related to the regulation of cellular
response to DNA damage and other types of stress. Hu
proteins perform their cytoplasmic and nuclear molecular
functions by coordinately regulating functionally
related mRNAs. In the cytoplasm, Hu proteins recognize
and bind to AU-rich RNA elements (AREs) in the 3'
untranslated regions (UTRs) of certain target mRNAs,
such as GAP-43, vascular epithelial growth factor
(VEGF), the glucose transporter GLUT1, eotaxin and
c-fos, and stabilize those ARE-containing mRNAs. They
also bind and regulate the translation of some target
mRNAs, such as neurofilament M, GLUT1, and p27. In the
nucleus, Hu proteins function as regulators of
polyadenylation and alternative splicing. Each Hu
protein contains three RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). RRM1 and RRM2 may cooperate
in binding to an ARE. RRM3 may help to maintain the
stability of the RNA-protein complex, and might also
bind to poly(A) tails or be involved in protein-protein
interactions. .
Length = 78
Score = 52.7 bits (127), Expect = 1e-09
Identities = 27/75 (36%), Positives = 42/75 (56%), Gaps = 6/75 (8%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFIC---YEDQRSTVLSV 92
IFV LP D E + +FS +G + N+ ++RD T K KG+ F+ YE+ S + S
Sbjct: 4 IFVYNLPPDADESLLWQLFSPFGAVTNVKVIRDLTTNKCKGYGFVTMTNYEEAYSAIAS- 62
Query: 93 DNLNGVKVLSRTIRV 107
LNG ++ R ++V
Sbjct: 63 --LNGYRLGGRVLQV 75
>gnl|CDD|241086 cd12642, RRM_TRA2A, RNA recognition motif in transformer-2 protein
homolog alpha (TRA-2 alpha) and similar proteins. This
subgroup corresponds to the RRM of TRA2-alpha or
TRA-2-alpha, also termed transformer-2 protein homolog
A, a mammalian homolog of Drosophila transformer-2
(Tra2). TRA2-alpha is a 40-kDa serine/arginine-rich (SR)
protein (SRp40) that specifically binds to
gonadotropin-releasing hormone (GnRH) exonic splicing
enhancer on exon 4 (ESE4) and is necessary for enhanced
GnRH pre-mRNA splicing. It strongly stimulates GnRH
intron A excision in a dose-dependent manner. In
addition, TRA2-alpha can interact with either 9G8 or
SRp30c, which may also be crucial for ESE-dependent GnRH
pre-mRNA splicing. TRA2-alpha contains a well conserved
RNA recognition motif (RRM), also termed RBD (RNA
binding domain) or RNP (ribonucleoprotein domain),
flanked by the N- and C-terminal arginine/serine
(RS)-rich regions. .
Length = 79
Score = 52.7 bits (126), Expect = 1e-09
Identities = 26/72 (36%), Positives = 47/72 (65%)
Query: 38 VGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNG 97
V GL +E D+ +FS+YG + +N+V D+ TG+S+GF F+ +E + ++++ NG
Sbjct: 4 VFGLSLYTTERDLREVFSRYGPLAGVNVVYDQRTGRSRGFAFVYFERIDDSKEAMEHANG 63
Query: 98 VKVLSRTIRVDH 109
+++ R IRVD+
Sbjct: 64 MELDGRRIRVDY 75
>gnl|CDD|240774 cd12328, RRM2_hnRNPA_like, RNA recognition motif 2 in
heterogeneous nuclear ribonucleoprotein A subfamily.
This subfamily corresponds to the RRM2 of hnRNP A0,
hnRNP A1, hnRNP A2/B1, hnRNP A3 and similar proteins.
hnRNP A0 is a low abundance hnRNP protein that has been
implicated in mRNA stability in mammalian cells. It has
been identified as the substrate for MAPKAP-K2 and may
be involved in the lipopolysaccharide (LPS)-induced
post-transcriptional regulation of tumor necrosis
factor-alpha (TNF-alpha), cyclooxygenase 2 (COX-2) and
macrophage inflammatory protein 2 (MIP-2). hnRNP A1 is
an abundant eukaryotic nuclear RNA-binding protein that
may modulate splice site selection in pre-mRNA
splicing. hnRNP A2/B1 is an RNA trafficking response
element-binding protein that interacts with the hnRNP
A2 response element (A2RE). Many mRNAs, such as myelin
basic protein (MBP), myelin-associated oligodendrocytic
basic protein (MOBP), carboxyanhydrase II (CAII),
microtubule-associated protein tau, and amyloid
precursor protein (APP) are trafficked by hnRNP A2/B1.
hnRNP A3 is also a RNA trafficking response
element-binding protein that participates in the
trafficking of A2RE-containing RNA. The hnRNP A
subfamily is characterized by two RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains)
or RNPs (ribonucleoprotein domains), followed by a long
glycine-rich region at the C-terminus. .
Length = 73
Score = 52.3 bits (126), Expect = 1e-09
Identities = 23/49 (46%), Positives = 35/49 (71%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYED 84
+FVGGL D++E D+ FSQYG + ++ +V DK TGK +GF F+ ++D
Sbjct: 2 LFVGGLKEDVTEEDLREYFSQYGNVESVEIVTDKETGKKRGFAFVTFDD 50
>gnl|CDD|241214 cd12770, RRM1_HuD, RNA recognition motif 1 in vertebrate Hu-antigen
D (HuD). This subgroup corresponds to the RRM1 of HuD,
also termed ELAV-like protein 4 (ELAV-4), or
paraneoplastic encephalomyelitis antigen HuD, one of the
neuronal members of the Hu family. The neuronal Hu
proteins play important roles in neuronal
differentiation, plasticity and memory. HuD has been
implicated in various aspects of neuronal function, such
as the commitment and differentiation of neuronal
precursors as well as synaptic remodeling in mature
neurons. HuD also functions as an important regulator of
mRNA expression in neurons by interacting with AU-rich
RNA element (ARE) and stabilizing multiple transcripts.
Moreover, HuD regulates the nuclear processing/stability
of N-myc pre-mRNA in neuroblastoma cells, as well as the
neurite elongation and morphological differentiation.
HuD specifically binds poly(A) RNA. Like other Hu
proteins, HuD contains three RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). RRM1 and RRM2 may cooperate
in binding to an ARE. RRM3 may help to maintain the
stability of the RNA-protein complex, and might also
bind to poly(A) tails or be involved in protein-protein
interactions. .
Length = 83
Score = 52.8 bits (126), Expect = 1e-09
Identities = 26/74 (35%), Positives = 48/74 (64%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+ V LP ++++ + +F GEI + LVRDKITG+S G+ F+ Y D + +++ L
Sbjct: 5 LIVNYLPQNMTQEEFRSLFGSIGEIESCKLVRDKITGQSLGYGFVNYIDPKDAEKAINTL 64
Query: 96 NGVKVLSRTIRVDH 109
NG+++ ++TI+V +
Sbjct: 65 NGLRLQTKTIKVSY 78
>gnl|CDD|241076 cd12632, RRM1_CELF3_4_5_6, RNA recognition motif 1 in CUGBP
Elav-like family member CELF-3, CELF-4, CELF-5, CELF-6
and similar proteins. This subfamily corresponds to the
RRM1 of CELF-3, CELF-4, CELF-5, CELF-6, all of which
belong to the CUGBP1 and ETR-3-like factors (CELF) or
BRUNOL (Bruno-like) family of RNA-binding proteins that
display dual nuclear and cytoplasmic localizations and
have been implicated in the regulation of pre-mRNA
splicing and in the control of mRNA translation and
deadenylation. CELF-3, expressed in brain and testis
only, is also known as bruno-like protein 1 (BRUNOL-1),
or CAG repeat protein 4, or CUG-BP- and ETR-3-like
factor 3, or embryonic lethal abnormal vision
(ELAV)-type RNA-binding protein 1 (ETR-1), or expanded
repeat domain protein CAG/CTG 4, or trinucleotide
repeat-containing gene 4 protein (TNRC4). It plays an
important role in the pathogenesis of tauopathies.
CELF-3 contains three highly conserved RNA recognition
motifs (RRMs), also known as RBDs (RNA binding domains)
or RNPs (ribonucleoprotein domains): two consecutive
RRMs (RRM1 and RRM2) situated in the N-terminal region
followed by a linker region and the third RRM (RRM3)
close to the C-terminus of the protein.The effect of
CELF-3 on tau splicing is mediated mainly by the
RNA-binding activity of RRM2. The divergent linker
region might mediate the interaction of CELF-3 with
other proteins regulating its activity or involved in
target recognition. CELF-4, highly expressed throughout
the brain and in glandular tissues, moderately expressed
in heart, skeletal muscle, and liver, is also known as
bruno-like protein 4 (BRUNOL-4), or CUG-BP- and
ETR-3-like factor 4. Like CELF-3, CELF-4 also contain
three highly conserved RRMs. The splicing activation or
repression activity of CELF-4 on some specific
substrates is mediated by its RRM1/RRM2. On the other
hand, both RRM1 and RRM2 of CELF-4 can activate cardiac
troponin T (cTNT) exon 5 inclusion. CELF-5, expressed in
brain, is also known as bruno-like protein 5 (BRUNOL-5),
or CUG-BP- and ETR-3-like factor 5. Although its
biological role remains unclear, CELF-5 shares same
domain architecture with CELF-3. CELF-6, strongly
expressed in kidney, brain, and testis, is also known as
bruno-like protein 6 (BRUNOL-6), or CUG-BP- and
ETR-3-like factor 6. It activates exon inclusion of a
cardiac troponin T minigene in transient transfection
assays in an muscle-specific splicing enhancer
(MSE)-dependent manner and can activate inclusion via
multiple copies of a single element, MSE2. CELF-6 also
promotes skipping of exon 11 of insulin receptor, a
known target of CELF activity that is expressed in
kidney. In additiona to three highly conserved RRMs,
CELF-6 also possesses numerous potential phosphorylation
sites, a potential nuclear localization signal (NLS) at
the C terminus, and an alanine-rich region within the
divergent linker region. .
Length = 87
Score = 52.8 bits (127), Expect = 1e-09
Identities = 28/80 (35%), Positives = 45/80 (56%), Gaps = 3/80 (3%)
Query: 31 KDSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVL 90
D+ +FVG +P +L E D+ +F Q+G+I L +++DK TG KG F+ Y + S +
Sbjct: 3 DDAIKLFVGQIPRNLEEKDLRPLFEQFGKIYELTVLKDKYTGMHKGCAFLTYCARESALK 62
Query: 91 SVDNLNGVKVLS---RTIRV 107
+ L+ K L R I+V
Sbjct: 63 AQSALHEQKTLPGMNRPIQV 82
>gnl|CDD|241215 cd12771, RRM1_HuB, RNA recognition motif 1 in vertebrate Hu-antigen
B (HuB). This subgroup corresponds to the RRM1 of HuB,
also termed ELAV-like protein 2 (ELAV-2), or ELAV-like
neuronal protein 1, or nervous system-specific
RNA-binding protein Hel-N1 (Hel-N1), one of the neuronal
members of the Hu family. The neuronal Hu proteins play
important roles in neuronal differentiation, plasticity
and memory. HuB is also expressed in gonads and is
up-regulated during neuronal differentiation of
embryonic carcinoma P19 cells. Like other Hu proteins,
HuB contains three RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). RRM1 and RRM2 may cooperate
in binding to an AU-rich RNA element (ARE). RRM3 may
help to maintain the stability of the RNA-protein
complex, and might also bind to poly(A) tails or be
involved in protein-protein interactions. .
Length = 83
Score = 52.4 bits (125), Expect = 2e-09
Identities = 26/74 (35%), Positives = 49/74 (66%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+ V LP ++++ ++ +F GEI + LVRDKITG+S G+ F+ Y D + +++ L
Sbjct: 7 LIVNYLPQNMTQEELKSLFGSIGEIESCKLVRDKITGQSLGYGFVNYIDPKDAEKAINTL 66
Query: 96 NGVKVLSRTIRVDH 109
NG+++ ++TI+V +
Sbjct: 67 NGLRLQTKTIKVSY 80
>gnl|CDD|240753 cd12307, RRM_NIFK_like, RNA recognition motif in nucleolar protein
interacting with the FHA domain of pKI-67 (NIFK) and
similar proteins. This subgroup corresponds to the RRM
of NIFK and Nop15p. NIFK, also termed MKI67 FHA
domain-interacting nucleolar phosphoprotein, or
nucleolar phosphoprotein Nopp34, is a putative
RNA-binding protein interacting with the forkhead
associated (FHA) domain of pKi-67 antigen in a
mitosis-specific and phosphorylation-dependent manner.
It is nucleolar in interphase but associates with
condensed mitotic chromosomes. This family also includes
Saccharomyces cerevisiae YNL110C gene encoding ribosome
biogenesis protein 15 (Nop15p), also termed nucleolar
protein 15. Both, NIFK and Nop15p, contain an RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain). .
Length = 74
Score = 51.4 bits (124), Expect = 2e-09
Identities = 22/72 (30%), Positives = 39/72 (54%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++G LP+ E ++ FSQ+G + L L R K TGKSKG+ F+ +E + + +
Sbjct: 2 VYIGHLPHGFYEPELRKYFSQFGTVTRLRLSRSKKTGKSKGYAFVEFESPEVAKIVAETM 61
Query: 96 NGVKVLSRTIRV 107
N + R ++
Sbjct: 62 NNYLLFERLLKC 73
>gnl|CDD|240686 cd12240, RRM_NCBP2, RNA recognition motif found in nuclear
cap-binding protein subunit 2 (CBP20) and similar
proteins. This subfamily corresponds to the RRM of
CBP20, also termed nuclear cap-binding protein subunit 2
(NCBP2), or cell proliferation-inducing gene 55 protein,
or NCBP-interacting protein 1 (NIP1). CBP20 is the small
subunit of the nuclear cap binding complex (CBC), which
is a conserved eukaryotic heterodimeric protein complex
binding to 5'-capped polymerase II transcripts and plays
a central role in the maturation of pre-mRNA and
uracil-rich small nuclear RNA (U snRNA). CBP20 is most
likely responsible for the binding of capped RNA. It
contains an RNA recognition motif (RRM), also termed RBD
(RNA binding domain) or RNP (ribonucleoprotein domain),
and interacts with the second and third domains of
CBP80, the large subunit of CBC. .
Length = 78
Score = 51.8 bits (125), Expect = 2e-09
Identities = 25/73 (34%), Positives = 40/73 (54%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG L + +E + +FS+ G+I + + D+ T GFCF+ Y + +V L
Sbjct: 1 LYVGNLSFYTTEEQIYELFSRCGDIKRIIMGLDRFTKTPCGFCFVEYYTREDAENAVKYL 60
Query: 96 NGVKVLSRTIRVD 108
NG K+ R IRVD
Sbjct: 61 NGTKLDDRIIRVD 73
>gnl|CDD|241213 cd12769, RRM1_HuR, RNA recognition motif 1 in vertebrate Hu-antigen
R (HuR). This subgroup corresponds to the RRM1 of HuR,
also termed ELAV-like protein 1 (ELAV-1), a ubiquitously
expressed Hu family member. It has a variety of
biological functions mostly related to the regulation of
cellular response to DNA damage and other types of
stress. HuR has an anti-apoptotic function during early
cell stress response; it binds to mRNAs and enhances the
expression of several anti-apoptotic proteins, such as
p21waf1, p53, and prothymosin alpha. Meanwhile, HuR also
has pro-apoptotic function by promoting apoptosis when
cell death is unavoidable. Furthermore, HuR may be
important in muscle differentiation, adipogenesis,
suppression of inflammatory response and modulation of
gene expression in response to chronic ethanol exposure
and amino acid starvation. Like other Hu proteins, HuR
contains three RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). RRM1 and RRM2 may cooperate
in binding to an AU-rich RNA element (ARE). RRM3 may
help to maintain the stability of the RNA-protein
complex, and might also bind to poly(A) tails or be
involved in protein-protein interactions. .
Length = 81
Score = 51.6 bits (123), Expect = 3e-09
Identities = 23/74 (31%), Positives = 48/74 (64%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+ V LP ++++ ++ +FS GE+ + L+RDK+ G S G+ F+ Y + + +++ L
Sbjct: 4 LIVNYLPQNMTQDELRSLFSSIGEVESAKLIRDKVAGHSLGYGFVNYVNAKDAERAINTL 63
Query: 96 NGVKVLSRTIRVDH 109
NG+++ S+TI+V +
Sbjct: 64 NGLRLQSKTIKVSY 77
>gnl|CDD|240790 cd12344, RRM1_SECp43_like, RNA recognition motif 1 in tRNA
selenocysteine-associated protein 1 (SECp43) and
similar proteins. This subfamily corresponds to the
RRM1 in tRNA selenocysteine-associated protein 1
(SECp43), yeast negative growth regulatory protein NGR1
(RBP1), yeast protein NAM8, and similar proteins.
SECp43 is an RNA-binding protein associated
specifically with eukaryotic selenocysteine tRNA
[tRNA(Sec)]. It may play an adaptor role in the
mechanism of selenocysteine insertion. SECp43 is
located primarily in the nucleus and contains two
N-terminal RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), and a C-terminal polar/acidic region. Yeast
proteins, NGR1 and NAM8, show high sequence similarity
with SECp43. NGR1 is a putative glucose-repressible
protein that binds both RNA and single-stranded DNA
(ssDNA). It may function in regulating cell growth in
early log phase, possibly through its participation in
RNA metabolism. NGR1 contains three RRMs, two of which
are followed by a glutamine-rich stretch that may be
involved in transcriptional activity. In addition, NGR1
has an asparagine-rich region near the C-terminus which
also harbors a methionine-rich region. NAM8 is a
putative RNA-binding protein that acts as a suppressor
of mitochondrial splicing deficiencies when
overexpressed in yeast. It may be a non-essential
component of the mitochondrial splicing machinery. NAM8
also contains three RRMs. .
Length = 81
Score = 51.5 bits (124), Expect = 3e-09
Identities = 14/50 (28%), Positives = 30/50 (60%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ 85
+++G L + E + F++ GE+ ++ ++R+K TGKS G+ F+ +
Sbjct: 2 LWMGDLEPWMDEAYIYSAFAECGEVTSVKIIRNKQTGKSAGYGFVEFATH 51
>gnl|CDD|240835 cd12389, RRM2_RAVER, RNA recognition motif 2 in ribonucleoprotein
PTB-binding raver-1, raver-2 and similar proteins. This
subfamily corresponds to the RRM2 of raver-1 and
raver-2. Raver-1 is a ubiquitously expressed
heterogeneous nuclear ribonucleoprotein (hnRNP) that
serves as a co-repressor of the nucleoplasmic splicing
repressor polypyrimidine tract-binding protein
(PTB)-directed splicing of select mRNAs. It shuttles
between the cytoplasm and the nucleus and can accumulate
in the perinucleolar compartment, a dynamic nuclear
substructure that harbors PTB. Raver-1 also modulates
focal adhesion assembly by binding to the cytoskeletal
proteins, including alpha-actinin, vinculin, and
metavinculin (an alternatively spliced isoform of
vinculin) at adhesion complexes, particularly in
differentiated muscle tissue. Raver-2 is a novel member
of the heterogeneous nuclear ribonucleoprotein (hnRNP)
family. It shows high sequence homology to raver-1.
Raver-2 exerts a spatio-temporal expression pattern
during embryogenesis and is mainly limited to
differentiated neurons and glia cells. Although it
displays nucleo-cytoplasmic shuttling in heterokaryons,
raver2 localizes to the nucleus in glia cells and
neurons. Raver-2 can interact with PTB and may
participate in PTB-mediated RNA-processing. However,
there is no evidence indicating that raver-2 can bind to
cytoplasmic proteins. Both, raver-1 and raver-2, contain
three N-terminal RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), two putative nuclear
localization signals (NLS) at the N- and C-termini, a
central leucine-rich region, and a C-terminal region
harboring two [SG][IL]LGxxP motifs. They binds to RNA
through the RRMs. In addition, the two [SG][IL]LGxxP
motifs serve as the PTB-binding motifs in raver1.
However, raver-2 interacts with PTB through the SLLGEPP
motif only. .
Length = 77
Score = 51.1 bits (123), Expect = 3e-09
Identities = 21/73 (28%), Positives = 41/73 (56%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+ VG LP + ++ + S +G + LV + TG+SKG+ F+ Y + S + + + L
Sbjct: 2 LCVGNLPLEFTDEQFRELVSPFGAVERCFLVYSESTGESKGYGFVEYASKASALKAKNQL 61
Query: 96 NGVKVLSRTIRVD 108
+G ++ R ++VD
Sbjct: 62 DGKQIGGRKLQVD 74
>gnl|CDD|240757 cd12311, RRM_SRSF2_SRSF8, RNA recognition motif in
serine/arginine-rich splicing factor SRSF2, SRSF8 and
similar proteins. This subfamily corresponds to the RRM
of SRSF2 and SRSF8. SRSF2, also termed protein PR264, or
splicing component, 35 kDa (splicing factor SC35 or
SC-35), is a prototypical SR protein that plays
important roles in the alternative splicing of pre-mRNA.
It is also involved in transcription elongation by
directly or indirectly mediating the recruitment of
elongation factors to the C-terminal domain of
polymerase II. SRSF2 is exclusively localized in the
nucleus and is restricted to nuclear processes. It
contains a single N-terminal RNA recognition motif
(RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), followed by a C-terminal RS
domain rich in serine-arginine dipeptides. The RRM is
responsible for the specific recognition of 5'-SSNG-3'
(S=C/G) RNA. In the regulation of alternative splicing
events, it specifically binds to cis-regulatory elements
on the pre-mRNA. The RS domain modulates SRSF2 activity
through phosphorylation, directly contacts RNA, and
promotes protein-protein interactions with the
spliceosome. SRSF8, also termed SRP46 or SFRS2B, is a
novel mammalian SR splicing factor encoded by a
PR264/SC35 functional retropseudogene. SRSF8 is
localized in the nucleus and does not display the same
activity as PR264/SC35. It functions as an essential
splicing factor in complementing a HeLa cell S100
extract deficient in SR proteins. Like SRSF2, SRSF8
contains a single N-terminal RRM and a C-terminal RS
domain. .
Length = 73
Score = 50.8 bits (122), Expect = 4e-09
Identities = 22/71 (30%), Positives = 43/71 (60%)
Query: 38 VGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNG 97
V L Y + D+ +F +YGE+ ++ + RD+ T +S+GF F+ + D+R ++D ++G
Sbjct: 3 VDNLTYRTTPDDLRRVFEKYGEVGDVYIPRDRYTRESRGFAFVRFYDKRDAEDAMDAMDG 62
Query: 98 VKVLSRTIRVD 108
++ R +RV
Sbjct: 63 KELDGRELRVQ 73
>gnl|CDD|240996 cd12552, RRM_Nop15p, RNA recognition motif in yeast ribosome
biogenesis protein 15 (Nop15p) and similar proteins.
This subgroup corresponds to the RRM of Nop15p, also
termed nucleolar protein 15, which is encoded by YNL110C
from Saccharomyces cerevisiae, and localizes to the
nucleoplasm and nucleolus. Nop15p has been identified as
a component of a pre-60S particle. It interacts with RNA
components of the early pre-60S particles. Furthermore,
Nop15p binds directly to a pre-rRNA transcript in vitro
and is required for pre-rRNA processing. It functions as
a ribosome synthesis factor required for the 5' to 3'
exonuclease digestion that generates the 5' end of the
major, short form of the 5.8S rRNA as well as for
processing of 27SB to 7S pre-rRNA. Nop15p also play a
specific role in cell cycle progression. Nop15p contains
an RNA recognition motif (RRM), also termed RBD (RNA
binding domain) or RNP (ribonucleoprotein domain). .
Length = 77
Score = 50.6 bits (121), Expect = 5e-09
Identities = 20/72 (27%), Positives = 41/72 (56%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
I++G LP+ E ++ FSQ+G + N+ + R K TG SK + FI + + ++ ++
Sbjct: 2 IYIGHLPHGFLEKELKKYFSQFGTVKNVRVARSKKTGNSKHYGFIQFLNPEVAAIAAKSM 61
Query: 96 NGVKVLSRTIRV 107
N ++ + ++V
Sbjct: 62 NNYLLMGKVLQV 73
>gnl|CDD|241216 cd12772, RRM1_HuC, RNA recognition motif 1 in vertebrate Hu-antigen
C (HuC). This subgroup corresponds to the RRM1 of HuC,
also termed ELAV-like protein 3 (ELAV-3), or
paraneoplastic cerebellar degeneration-associated
antigen, or paraneoplastic limbic encephalitis antigen
21 (PLE21), one of the neuronal members of the Hu
family. The neuronal Hu proteins play important roles in
neuronal differentiation, plasticity and memory. Like
other Hu proteins, HuC contains three RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains). RRM1 and RRM2 may
cooperate in binding to an AU-rich RNA element (ARE).
The AU-rich element binding of HuC can be inhibited by
flavonoids. RRM3 may help to maintain the stability of
the RNA-protein complex, and might also bind to poly(A)
tails or be involved in protein-protein interactions. .
Length = 84
Score = 50.9 bits (121), Expect = 5e-09
Identities = 27/74 (36%), Positives = 47/74 (63%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+ V LP ++++ + +F GEI + LVRDKITG+S G+ F+ Y D +++ L
Sbjct: 6 LIVNYLPQNMTQEEFKSLFGSIGEIESCKLVRDKITGQSLGYGFVNYVDPNDADKAINTL 65
Query: 96 NGVKVLSRTIRVDH 109
NG+K+ ++TI+V +
Sbjct: 66 NGLKLQTKTIKVSY 79
>gnl|CDD|240826 cd12380, RRM3_I_PABPs, RNA recognition motif 3 found in type I
polyadenylate-binding proteins. This subfamily
corresponds to the RRM3 of type I poly(A)-binding
proteins (PABPs), highly conserved proteins that bind to
the poly(A) tail present at the 3' ends of most
eukaryotic mRNAs. They have been implicated in the
regulation of poly(A) tail length during the
polyadenylation reaction, translation initiation, mRNA
stabilization by influencing the rate of deadenylation
and inhibition of mRNA decapping. The family represents
type I polyadenylate-binding proteins (PABPs), including
polyadenylate-binding protein 1 (PABP-1 or PABPC1),
polyadenylate-binding protein 3 (PABP-3 or PABPC3),
polyadenylate-binding protein 4 (PABP-4 or APP-1 or
iPABP), polyadenylate-binding protein 5 (PABP-5 or
PABPC5), polyadenylate-binding protein 1-like
(PABP-1-like or PABPC1L), polyadenylate-binding protein
1-like 2 (PABPC1L2 or RBM32), polyadenylate-binding
protein 4-like (PABP-4-like or PABPC4L), yeast
polyadenylate-binding protein, cytoplasmic and nuclear
(PABP or ACBP-67), and similar proteins. PABP-1 is an
ubiquitously expressed multifunctional protein that may
play a role in 3' end formation of mRNA, translation
initiation, mRNA stabilization, protection of poly(A)
from nuclease activity, mRNA deadenylation, inhibition
of mRNA decapping, and mRNP maturation. Although PABP-1
is thought to be a cytoplasmic protein, it is also found
in the nucleus. PABP-1 may be involved in
nucleocytoplasmic trafficking and utilization of mRNP
particles. PABP-1 contains four copies of RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains), a less
well conserved linker region, and a proline-rich
C-terminal conserved domain (CTD). PABP-3 is a
testis-specific poly(A)-binding protein specifically
expressed in round spermatids. It is mainly found in
mammalian and may play an important role in the
testis-specific regulation of mRNA homeostasis. PABP-3
shows significant sequence similarity to PABP-1.
However, it binds to poly(A) with a lower affinity than
PABP-1. PABP-1 possesses an A-rich sequence in its
5'-UTR and allows binding of PABP and blockage of
translation of its own mRNA. In contrast, PABP-3 lacks
the A-rich sequence in its 5'-UTR. PABP-4 is an
inducible poly(A)-binding protein (iPABP) that is
primarily localized to the cytoplasm. It shows
significant sequence similarity to PABP-1 as well. The
RNA binding properties of PABP-1 and PABP-4 appear to be
identical. PABP-5 is encoded by PABPC5 gene within the
X-specific subinterval, and expressed in fetal brain and
in a range of adult tissues in mammalian, such as ovary
and testis. It may play an important role in germ cell
development. Moreover, unlike other PABPs, PABP-5
contains only four RRMs, but lacks both the linker
region and the CTD. PABP-1-like and PABP-1-like 2 are
the orthologs of PABP-1. PABP-4-like is the ortholog of
PABP-5. Their cellular functions remain unclear. The
family also includes the yeast PABP, a conserved poly(A)
binding protein containing poly(A) tails that can be
attached to the 3'-ends of mRNAs. The yeast PABP and its
homologs may play important roles in the initiation of
translation and in mRNA decay. Like vertebrate PABP-1,
the yeast PABP contains four RRMs, a linker region, and
a proline-rich CTD as well. The first two RRMs are
mainly responsible for specific binding to poly(A). The
proline-rich region may be involved in protein-protein
interactions. .
Length = 80
Score = 50.7 bits (122), Expect = 6e-09
Identities = 22/72 (30%), Positives = 43/72 (59%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V L D+ + + +F +YG+I + +++D GKSKGF F+ +E+ + +V+ L
Sbjct: 4 VYVKNLGEDMDDEKLKELFGKYGKITSAKVMKDD-EGKSKGFGFVNFENHEAAQKAVEEL 62
Query: 96 NGVKVLSRTIRV 107
NG +V + + V
Sbjct: 63 NGKEVNGKKLYV 74
>gnl|CDD|241023 cd12579, RRM2_hnRNPA0, RNA recognition motif 2 in heterogeneous
nuclear ribonucleoprotein A0 (hnRNP A0) and similar
proteins. This subgroup corresponds to the RRM2 of
hnRNP A0, a low abundance hnRNP protein that has been
implicated in mRNA stability in mammalian cells. It has
been identified as the substrate for MAPKAP-K2 and may
be involved in the lipopolysaccharide (LPS)-induced
post-transcriptional regulation of tumor necrosis
factor-alpha (TNF-alpha), cyclooxygenase 2 (COX-2) and
macrophage inflammatory protein 2 (MIP-2). hnRNP A0
contains two RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), followed by a long glycine-rich region at the
C-terminus. .
Length = 80
Score = 50.7 bits (121), Expect = 6e-09
Identities = 25/69 (36%), Positives = 42/69 (60%), Gaps = 4/69 (5%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ----RSTVLS 91
+FVGGL D+ EGD+ FSQ+G + ++ DK TGK +GF F+ +++ ++ V+
Sbjct: 2 LFVGGLKGDVGEGDLTEHFSQFGPVEKAEVIADKQTGKKRGFGFVYFQNHDSADKAAVVK 61
Query: 92 VDNLNGVKV 100
+NG +V
Sbjct: 62 FHPINGHRV 70
>gnl|CDD|240718 cd12272, RRM2_PHIP1, RNA recognition motif 2 in Arabidopsis
thaliana phragmoplastin interacting protein 1 (PHIP1)
and similar proteins. The CD corresponds to the RRM2 of
PHIP1. A. thaliana PHIP1 and its homologs represent a
novel class of plant-specific RNA-binding proteins that
may play a unique role in the polarized mRNA transport
to the vicinity of the cell plate. The family members
consist of multiple functional domains, including a
lysine-rich domain (KRD domain) that contains three
nuclear localization motifs (KKKR/NK), two RNA
recognition motifs (RRMs), and three CCHC-type zinc
fingers. PHIP1 is a peripheral membrane protein and is
localized at the cell plate during cytokinesis in
plants. In addition to phragmoplastin, PHIP1 interacts
with two Arabidopsis small GTP-binding proteins, Rop1
and Ran2. However, PHIP1 interacted only with the
GTP-bound form of Rop1 but not the GDP-bound form. It
also binds specifically to Ran2 mRNA. .
Length = 72
Score = 50.1 bits (120), Expect = 7e-09
Identities = 24/73 (32%), Positives = 41/73 (56%), Gaps = 2/73 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++G L +D++E DV F EI ++ L DK TG+ KGF + + D+ S ++ L
Sbjct: 2 VYIGNLAWDITEDDVREFFKG-CEITSVRLATDKETGEFKGFGHVDFADEESLDAALK-L 59
Query: 96 NGVKVLSRTIRVD 108
+G + R IR+
Sbjct: 60 DGTVLCGRPIRIA 72
>gnl|CDD|240799 cd12353, RRM2_TIA1_like, RNA recognition motif 2 in
granule-associated RNA binding proteins p40-TIA-1 and
TIAR. This subfamily corresponds to the RRM2 of
nucleolysin TIA-1 isoform p40 (p40-TIA-1 or TIA-1) and
nucleolysin TIA-1-related protein (TIAR), both of which
are granule-associated RNA binding proteins involved in
inducing apoptosis in cytotoxic lymphocyte (CTL) target
cells. TIA-1 and TIAR share high sequence similarity.
They are expressed in a wide variety of cell types.
TIA-1 can be phosphorylated by a serine/threonine kinase
that is activated during Fas-mediated apoptosis. TIAR is
mainly localized in the nucleus of hematopoietic and
nonhematopoietic cells. It is translocated from the
nucleus to the cytoplasm in response to exogenous
triggers of apoptosis. Both, TIA-1 and TIAR, bind
specifically to poly(A) but not to poly(C) homopolymers.
They are composed of three N-terminal highly homologous
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
and a glutamine-rich C-terminal auxiliary domain
containing a lysosome-targeting motif. TIA-1 and TIAR
interact with RNAs containing short stretches of
uridylates and their RRM2 can mediate the specific
binding to uridylate-rich RNAs. The C-terminal auxiliary
domain may be responsible for interacting with other
proteins. In addition, TIA-1 and TIAR share a potential
serine protease-cleavage site (Phe-Val-Arg) localized at
the junction between their RNA binding domains and their
C-terminal auxiliary domains.
Length = 75
Score = 49.7 bits (119), Expect = 1e-08
Identities = 23/71 (32%), Positives = 40/71 (56%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IFVG L ++ + F+ +GEI + +V+D TGKSKG+ F+ + + ++ ++
Sbjct: 2 IFVGDLSPEIDTETLRAAFAPFGEISDARVVKDMQTGKSKGYGFVSFVKKEDAENAIQSM 61
Query: 96 NGVKVLSRTIR 106
NG + R IR
Sbjct: 62 NGQWLGGRAIR 72
>gnl|CDD|241043 cd12599, RRM1_SF2_plant_like, RNA recognition motif 1 in plant
pre-mRNA-splicing factor SF2 and similar proteins. This
subgroup corresponds to the RRM1 of SF2, also termed SR1
protein, a plant serine/arginine (SR)-rich
phosphoprotein similar to the mammalian splicing factor
SF2/ASF. It promotes splice site switching in mammalian
nuclear extracts. SF2 contains two N-terminal RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains), followed
by a C-terminal domain rich in proline, serine and
lysine residues (PSK domain), a composition reminiscent
of histones. This PSK domain harbors a putative
phosphorylation site for the mitotic kinase
cyclin/p34cdc2. .
Length = 72
Score = 49.4 bits (118), Expect = 1e-08
Identities = 23/73 (31%), Positives = 42/73 (57%), Gaps = 3/73 (4%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG LP D+ E +V +F +YG IV+++L K+ + G+ FI +ED R ++
Sbjct: 2 VYVGNLPGDIREREVEDLFYKYGPIVDIDL---KLPPRPPGYAFIEFEDARDAEDAIRGR 58
Query: 96 NGVKVLSRTIRVD 108
+G + +RV+
Sbjct: 59 DGYDFDGQRLRVE 71
>gnl|CDD|241011 cd12567, RRM3_RBM19, RNA recognition motif 3 in RNA-binding
protein 19 (RBM19) and similar proteins. This subgroup
corresponds to the RRM3 of RBM19, also termed
RNA-binding domain-1 (RBD-1), which is a nucleolar
protein conserved in eukaryotes. It is involved in
ribosome biogenesis by processing rRNA. In addition, it
is essential for preimplantation development. RBM19 has
a unique domain organization containing 6 conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains). .
Length = 79
Score = 49.7 bits (119), Expect = 1e-08
Identities = 20/51 (39%), Positives = 32/51 (62%)
Query: 32 DSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICY 82
+S +F+ L Y +E D+ +FS+YG + ++L DK+T K KGF F+ Y
Sbjct: 1 ESGRLFIRNLAYTCTEEDLEKLFSKYGPLSEVHLPIDKLTKKPKGFAFVTY 51
>gnl|CDD|241021 cd12577, RRM1_Hrp1p, RNA recognition motif 1 in yeast nuclear
polyadenylated RNA-binding protein 4 (Hrp1p or Nab4p)
and similar proteins. This subfamily corresponds to
the RRM1 of Hrp1p and similar proteins. Hrp1p or Nab4p,
also termed cleavage factor IB (CFIB), is a
sequence-specific trans-acting factor that is essential
for mRNA 3'-end formation in yeast Saccharomyces
cerevisiae. It can be UV cross-linked to RNA and
specifically recognizes the (UA)6 RNA element required
for both, the cleavage and poly(A) addition, steps.
Moreover, Hrp1p can shuttle between the nucleus and the
cytoplasm, and play an additional role in the export of
mRNAs to the cytoplasm. Hrp1p also interacts with
Rna15p and Rna14p, two components of CF1A. In addition,
Hrp1p functions as a factor directly involved in
modulating the activity of the nonsense-mediated mRNA
decay (NMD) pathway. It binds specifically to a
downstream sequence element (DSE)-containing RNA and
interacts with Upf1p, a component of the surveillance
complex, further triggering the NMD pathway. Hrp1p
contains two central RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and an
arginine-glycine-rich region harboring repeats of the
sequence RGGF/Y. .
Length = 76
Score = 49.5 bits (118), Expect = 1e-08
Identities = 17/52 (32%), Positives = 35/52 (67%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+F+GGL ++ ++ + F Q+GE+ + ++RD TG+S+GF F+ ++ +S
Sbjct: 1 MFIGGLNWETTDDSLREYFGQFGEVTDCTVMRDSATGRSRGFGFLTFKKPKS 52
>gnl|CDD|240854 cd12408, RRM_eIF3G_like, RNA recognition motif in eukaryotic
translation initiation factor 3 subunit G (eIF-3G) and
similar proteins. This subfamily corresponds to the
RRM of eIF-3G and similar proteins. eIF-3G, also termed
eIF-3 subunit 4, or eIF-3-delta, or eIF3-p42, or
eIF3-p44, is the RNA-binding subunit of eIF3, a large
multisubunit complex that plays a central role in the
initiation of translation by binding to the 40 S
ribosomal subunit and promoting the binding of
methionyl-tRNAi and mRNA. eIF-3G binds 18 S rRNA and
beta-globin mRNA, and therefore appears to be a
nonspecific RNA-binding protein. eIF-3G is one of the
cytosolic targets and interacts with mature
apoptosis-inducing factor (AIF). eIF-3G contains one
RNA recognition motif (RRM), also termed RBD (RNA
binding domain) or RNP (ribonucleoprotein domain). This
family also includes yeast eIF3-p33, a homolog of
vertebrate eIF-3G, plays an important role in the
initiation phase of protein synthesis in yeast. It
binds both, mRNA and rRNA, fragments due to an RRM near
its C-terminus. .
Length = 77
Score = 49.1 bits (118), Expect = 2e-08
Identities = 19/57 (33%), Positives = 32/57 (56%)
Query: 41 LPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNG 97
L D E D+ +F +G I + L +DK TG+S+GF F+ + + +++ LNG
Sbjct: 7 LSEDADEDDLRELFRPFGPISRVYLAKDKETGQSRGFAFVTFHTREDAERAIEKLNG 63
>gnl|CDD|241018 cd12574, RRM1_DAZAP1, RNA recognition motif 1 in Deleted in
azoospermia-associated protein 1 (DAZAP1) and similar
proteins. This subfamily corresponds to the RRM1 of
DAZAP1 or DAZ-associated protein 1, also termed
proline-rich RNA binding protein (Prrp), a
multi-functional ubiquitous RNA-binding protein
expressed most abundantly in the testis and essential
for normal cell growth, development, and
spermatogenesis. DAZAP1 is a shuttling protein whose
acetylated form is predominantly nuclear and the
nonacetylated form is in cytoplasm. It also functions
as a translational regulator that activates translation
in an mRNA-specific manner. DAZAP1 was initially
identified as a binding partner of Deleted in
Azoospermia (DAZ). It also interacts with numerous
hnRNPs, including hnRNP U, hnRNP U like-1, hnRNPA1,
hnRNPA/B, and hnRNP D, suggesting DAZAP1 might
associate and cooperate with hnRNP particles to
regulate adenylate-uridylate-rich elements (AU-rich
element or ARE)-containing mRNAs. DAZAP1 contains two
N-terminal RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), and a C-terminal proline-rich domain. .
Length = 82
Score = 49.0 bits (117), Expect = 3e-08
Identities = 20/49 (40%), Positives = 36/49 (73%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYED 84
+FVGGL ++ ++ + FSQYGE+V+ +++DK T +S+GF F+ ++D
Sbjct: 2 LFVGGLSWETTQETLRRYFSQYGEVVDCVIMKDKTTNRSRGFGFVKFKD 50
>gnl|CDD|240780 cd12334, RRM1_SF3B4, RNA recognition motif 1 in splicing factor 3B
subunit 4 (SF3B4) and similar proteins. This subfamily
corresponds to the RRM1 of SF3B4, also termed
pre-mRNA-splicing factor SF3b 49 kDa (SF3b50), or
spliceosome-associated protein 49 (SAP 49). SF3B4 a
component of the multiprotein complex splicing factor 3b
(SF3B), an integral part of the U2 small nuclear
ribonucleoprotein (snRNP) and the U11/U12 di-snRNP. SF3B
is essential for the accurate excision of introns from
pre-messenger RNA, and is involved in the recognition of
the pre-mRNA's branch site within the major and minor
spliceosomes. SF3B4 functions to tether U2 snRNP with
pre-mRNA at the branch site during spliceosome assembly.
It is an evolutionarily highly conserved protein with
orthologs across diverse species. SF3B4 contains two
closely adjacent N-terminal RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). It binds directly to
pre-mRNA and also interacts directly and highly
specifically with another SF3B subunit called SAP 145. .
Length = 74
Score = 48.7 bits (117), Expect = 3e-08
Identities = 18/72 (25%), Positives = 42/72 (58%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG L ++E + +F Q G +VN+++ +D++T +G+ F+ + + ++ +
Sbjct: 1 VYVGNLDEKVTEELLWELFIQAGPVVNVHIPKDRVTQAHQGYGFVEFLSEEDADYAIKIM 60
Query: 96 NGVKVLSRTIRV 107
N +K+ + IRV
Sbjct: 61 NMIKLYGKPIRV 72
>gnl|CDD|240859 cd12413, RRM1_RBM28_like, RNA recognition motif 1 in RNA-binding
protein 28 (RBM28) and similar proteins. This subfamily
corresponds to the RRM1 of RBM28 and Nop4p. RBM28 is a
specific nucleolar component of the spliceosomal small
nuclear ribonucleoproteins (snRNPs), possibly
coordinating their transition through the nucleolus. It
specifically associates with U1, U2, U4, U5, and U6
small nuclear RNAs (snRNAs), and may play a role in the
maturation of both small nuclear and ribosomal RNAs.
RBM28 has four RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and an extremely acidic
region between RRM2 and RRM3. The family also includes
nucleolar protein 4 (Nop4p or Nop77p) encoded by YPL043W
from Saccharomyces cerevisiae. It is an essential
nucleolar protein involved in processing and maturation
of 27S pre-rRNA and biogenesis of 60S ribosomal
subunits. Nop4p also contains four RRMs. .
Length = 79
Score = 48.4 bits (116), Expect = 3e-08
Identities = 20/73 (27%), Positives = 37/73 (50%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FV LPYD ++ + FS+ G I +V+DK + K +GF ++ + + +++
Sbjct: 2 LFVRNLPYDTTDEQLEEFFSEVGPIKRCFVVKDKGSKKCRGFGYVTFALEEDAKRALEEK 61
Query: 96 NGVKVLSRTIRVD 108
K R I V+
Sbjct: 62 KKTKFGGRKIHVE 74
>gnl|CDD|240838 cd12392, RRM2_SART3, RNA recognition motif 2 in squamous cell
carcinoma antigen recognized by T-cells 3 (SART3) and
similar proteins. This subfamily corresponds to the
RRM2 of SART3, also termed Tat-interacting protein of
110 kDa (Tip110), is an RNA-binding protein expressed in
the nucleus of the majority of proliferating cells,
including normal cells and malignant cells, but not in
normal tissues except for the testes and fetal liver. It
is involved in the regulation of mRNA splicing probably
via its complex formation with RNA-binding protein with
a serine-rich domain (RNPS1), a pre-mRNA-splicing
factor. SART3 has also been identified as a nuclear
Tat-interacting protein that regulates Tat
transactivation activity through direct interaction and
functions as an important cellular factor for HIV-1 gene
expression and viral replication. In addition, SART3 is
required for U6 snRNP targeting to Cajal bodies. It
binds specifically and directly to the U6 snRNA,
interacts transiently with the U6 and U4/U6 snRNPs, and
promotes the reassembly of U4/U6 snRNPs after splicing
in vitro. SART3 contains an N-terminal
half-a-tetratricopeptide repeat (HAT)-rich domain, a
nuclearlocalization signal (NLS) domain, and two
C-terminal RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains). .
Length = 81
Score = 48.6 bits (116), Expect = 4e-08
Identities = 21/72 (29%), Positives = 47/72 (65%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FV GLP+ +++ ++ +F ++G + ++ LV ++ +GK KG ++ YE++ S +V +
Sbjct: 5 LFVSGLPFSVTKEELEKLFKKHGVVKSVRLVTNR-SGKPKGLAYVEYENESSASQAVLKM 63
Query: 96 NGVKVLSRTIRV 107
+G ++ +TI V
Sbjct: 64 DGTEIKEKTISV 75
>gnl|CDD|240759 cd12313, RRM1_RRM2_RBM5_like, RNA recognition motif 1 and 2 in
RNA-binding protein 5 (RBM5) and similar proteins. This
subfamily includes the RRM1 and RRM2 of RNA-binding
protein 5 (RBM5 or LUCA15 or H37) and RNA-binding
protein 10 (RBM10 or S1-1), and the RRM2 of RNA-binding
protein 6 (RBM6 or NY-LU-12 or g16 or DEF-3). These RBMs
share high sequence homology and may play an important
role in regulating apoptosis. RBM5 is a known modulator
of apoptosis. It may also act as a tumor suppressor or
an RNA splicing factor. RBM6 has been predicted to be a
nuclear factor based on its nuclear localization signal.
Both, RBM6 and RBM5, specifically bind poly(G) RNA.
RBM10 is a paralog of RBM5. It may play an important
role in mRNA generation, processing and degradation in
several cell types. The rat homolog of human RBM10 is
protein S1-1, a hypothetical RNA binding protein with
poly(G) and poly(U) binding capabilities. All family
members contain two RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), two C2H2-type zinc fingers,
and a G-patch/D111 domain. .
Length = 84
Score = 48.7 bits (117), Expect = 4e-08
Identities = 23/78 (29%), Positives = 42/78 (53%), Gaps = 5/78 (6%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYG--EIVNLNLVRDKITGKSKGFCFICY---EDQRSTVL 90
+ + GL +E D++ S I ++ L+RDK+TG S+GF F+ + ED +
Sbjct: 5 LILRGLDLLTTEEDILQALSAIASVPIKDVRLIRDKLTGTSRGFAFVEFPSLEDATQWMD 64
Query: 91 SVDNLNGVKVLSRTIRVD 108
+++NL+ + R +RV
Sbjct: 65 ALNNLDPFVIDGRVVRVS 82
>gnl|CDD|240729 cd12283, RRM1_RBM39_like, RNA recognition motif 1 in vertebrate
RNA-binding protein 39 (RBM39) and similar proteins.
This subfamily corresponds to the RRM1 of RNA-binding
protein 39 (RBM39), RNA-binding protein 23 (RBM23) and
similar proteins. RBM39 (also termed HCC1) is a nuclear
autoantigen that contains an N-terminal arginine/serine
rich (RS) motif and three RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). An octapeptide sequence
called the RS-ERK motif is repeated six times in the RS
region of RBM39. Although the cellular function of RBM23
remains unclear, it shows high sequence homology to
RBM39 and contains two RRMs. It may possibly function as
a pre-mRNA splicing factor. .
Length = 73
Score = 48.4 bits (116), Expect = 4e-08
Identities = 21/72 (29%), Positives = 43/72 (59%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FV L + E D+ FS+ G++ ++ ++RD+ + +SKG ++ + D+ S L++ L
Sbjct: 2 VFVMQLSLKVRERDLYEFFSKAGKVRDVRIIRDRNSRRSKGVAYVEFYDEESVPLAL-GL 60
Query: 96 NGVKVLSRTIRV 107
G ++L + I V
Sbjct: 61 TGQRLLGQPIMV 72
>gnl|CDD|222631 pfam14259, RRM_6, RNA recognition motif (a.k.a. RRM, RBD, or RNP
domain).
Length = 69
Score = 47.9 bits (115), Expect = 4e-08
Identities = 22/71 (30%), Positives = 40/71 (56%), Gaps = 2/71 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V LP ++E D+ FS YG++ + LVR+K + +GF F+ + ++ L
Sbjct: 1 LYVRNLPPSVTEEDLREFFSPYGKVEGVRLVRNKD--RPRGFAFVEFASPEDAEAALKKL 58
Query: 96 NGVKVLSRTIR 106
NG+ + RT+R
Sbjct: 59 NGLVLDGRTLR 69
>gnl|CDD|240687 cd12241, RRM_SF3B14, RNA recognition motif found in pre-mRNA branch
site protein p14 (SF3B14) and similar proteins. This
subfamily corresponds to the RRM of SF3B14 (also termed
p14), a 14 kDa protein subunit of SF3B which is a
multiprotein complex that is an integral part of the U2
small nuclear ribonucleoprotein (snRNP) and the U11/U12
di-snRNP. SF3B is essential for the accurate excision of
introns from pre-messenger RNA and has been involved in
the recognition of the pre-mRNA's branch site within the
major and minor spliceosomes. SF3B14 associates directly
with another SF3B subunit called SF3B155. It is also
present in both U2- and U12-dependent spliceosomes and
may contribute to branch site positioning in both the
major and minor spliceosome. Moreover, SF3B14 interacts
directly with the pre-mRNA branch adenosine early in
spliceosome assembly and within the fully assembled
spliceosome. SF3B14 contains one well conserved RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain). .
Length = 77
Score = 48.4 bits (116), Expect = 4e-08
Identities = 21/72 (29%), Positives = 39/72 (54%), Gaps = 3/72 (4%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V LP+ +S ++ +F +YG I +R T +++G F+ YED + D+L
Sbjct: 5 LYVRNLPFKISSEELYDLFGKYGAIRQ---IRIGNTKETRGTAFVVYEDIYDAKNACDHL 61
Query: 96 NGVKVLSRTIRV 107
+G V +R + V
Sbjct: 62 SGFNVANRYLVV 73
>gnl|CDD|130706 TIGR01645, half-pint, poly-U binding splicing factor, half-pint
family. The proteins represented by this model contain
three RNA recognition motifs (rrm: pfam00076) and have
been characterized as poly-pyrimidine tract binding
proteins associated with RNA splicing factors. In the
case of PUF60 (GP|6176532), in complex with p54, and in
the presence of U2AF, facilitates association of U2
snRNP with pre-mRNA.
Length = 612
Score = 52.0 bits (124), Expect = 4e-08
Identities = 24/72 (33%), Positives = 42/72 (58%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG + ++L E + F +G I ++N+ D TGK KGF F+ YE + L+++ +
Sbjct: 110 VYVGSISFELREDTIRRAFDPFGPIKSINMSWDPATGKHKGFAFVEYEVPEAAQLALEQM 169
Query: 96 NGVKVLSRTIRV 107
NG + R I+V
Sbjct: 170 NGQMLGGRNIKV 181
Score = 47.0 bits (111), Expect = 2e-06
Identities = 23/72 (31%), Positives = 38/72 (52%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
I+V + DLSE D+ +F +GEIV L R KG+ FI Y + +S ++ ++
Sbjct: 207 IYVASVHPDLSETDIKSVFEAFGEIVKCQLARAPTGRGHKGYGFIEYNNLQSQSEAIASM 266
Query: 96 NGVKVLSRTIRV 107
N + + +RV
Sbjct: 267 NLFDLGGQYLRV 278
>gnl|CDD|240860 cd12414, RRM2_RBM28_like, RNA recognition motif 2 in RNA-binding
protein 28 (RBM28) and similar proteins. This subfamily
corresponds to the RRM2 of RBM28 and Nop4p. RBM28 is a
specific nucleolar component of the spliceosomal small
nuclear ribonucleoproteins (snRNPs), possibly
coordinating their transition through the nucleolus. It
specifically associates with U1, U2, U4, U5, and U6
small nuclear RNAs (snRNAs), and may play a role in the
maturation of both small nuclear and ribosomal RNAs.
RBM28 has four RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and an extremely acidic
region between RRM2 and RRM3. The family also includes
nucleolar protein 4 (Nop4p or Nop77p) encoded by YPL043W
from Saccharomyces cerevisiae. It is an essential
nucleolar protein involved in processing and maturation
of 27S pre-rRNA and biogenesis of 60S ribosomal
subunits. Nop4p also contains four RRMs. .
Length = 76
Score = 48.0 bits (115), Expect = 5e-08
Identities = 20/68 (29%), Positives = 36/68 (52%), Gaps = 1/68 (1%)
Query: 41 LPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKV 100
LP+ +E D+ +FS +G + + + R GK KGF F+ + + ++ +NG K+
Sbjct: 7 LPFKCTEADLKKLFSPFGFVWEVTIPRKP-DGKKKGFAFVQFTSKADAEKAIKGVNGKKI 65
Query: 101 LSRTIRVD 108
R + VD
Sbjct: 66 KGRPVAVD 73
>gnl|CDD|240858 cd12412, RRM_DAZL_BOULE, RNA recognition motif in AZoospermia
(DAZ) autosomal homologs, DAZL (DAZ-like) and BOULE.
This subfamily corresponds to the RRM domain of two
Deleted in AZoospermia (DAZ) autosomal homologs, DAZL
(DAZ-like) and BOULE. BOULE is the founder member of
the family and DAZL arose from BOULE in an ancestor of
vertebrates. The DAZ gene subsequently originated from
a duplication transposition of the DAZL gene.
Invertebrates contain a single DAZ homolog, BOULE,
while vertebrates, other than catarrhine primates,
possess both BOULE and DAZL genes. The catarrhine
primates possess BOULE, DAZL, and DAZ genes. The family
members encode closely related RNA-binding proteins
that are required for fertility in numerous organisms.
These proteins contain an RNA recognition motif (RRM),
also known as RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), and a varying number of
copies of a DAZ motif, believed to mediate
protein-protein interactions. DAZL and BOULE contain a
single copy of the DAZ motif, while DAZ proteins can
contain 8-24 copies of this repeat. Although their
specific biochemical functions remain to be
investigated, DAZL proteins may interact with
poly(A)-binding proteins (PABPs), and act as
translational activators of specific mRNAs during
gametogenesis. .
Length = 80
Score = 48.0 bits (115), Expect = 5e-08
Identities = 19/50 (38%), Positives = 34/50 (68%), Gaps = 1/50 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ 85
IFVGG+P D +E ++ FS++G + ++ ++ D+ G SKG+ F+ +E Q
Sbjct: 5 IFVGGIPPDTTEEELRDFFSRFGSVKDVKIITDRA-GVSKGYGFVTFETQ 53
>gnl|CDD|240781 cd12335, RRM2_SF3B4, RNA recognition motif 2 in splicing factor 3B
subunit 4 (SF3B4) and similar proteins. This subfamily
corresponds to the RRM2 of SF3B4, also termed
pre-mRNA-splicing factor SF3b 49 kDa (SF3b50), or
spliceosome-associated protein 49 (SAP 49). SF3B4 is a
component of the multiprotein complex splicing factor 3b
(SF3B), an integral part of the U2 small nuclear
ribonucleoprotein (snRNP) and the U11/U12 di-snRNP. SF3B
is essential for the accurate excision of introns from
pre-messenger RNA, and is involved in the recognition of
the pre-mRNA's branch site within the major and minor
spliceosomes. SF3B4 functions to tether U2 snRNP with
pre-mRNA at the branch site during spliceosome assembly.
It is an evolutionarily highly conserved protein with
orthologs across diverse species. SF3B4 contains two
closely adjacent N-terminal RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). It binds directly to
pre-mRNA and also interacts directly and highly
specifically with another SF3B subunit called SAP 145. .
Length = 83
Score = 47.7 bits (114), Expect = 9e-08
Identities = 25/77 (32%), Positives = 44/77 (57%), Gaps = 1/77 (1%)
Query: 34 AWIFVGGLPYDLSEGDVICIFSQYGEIV-NLNLVRDKITGKSKGFCFICYEDQRSTVLSV 92
A +F+G L ++ E + FS +G I+ ++RD TG SKGF FI Y+ ++ ++
Sbjct: 2 ANLFIGNLDPEVDEKLLYDTFSAFGVILQTPKIMRDPDTGNSKGFAFISYDSFEASDAAI 61
Query: 93 DNLNGVKVLSRTIRVDH 109
+ +NG + +R I V +
Sbjct: 62 EAMNGQYLCNRPITVSY 78
>gnl|CDD|240671 cd12225, RRM1_2_CID8_like, RNA recognition motif 1 and 2 (RRM1,
RRM2) in Arabidopsis thaliana CTC-interacting domain
protein CID8, CID9, CID10, CID11, CID12, CID 13 and
similar proteins. This subgroup corresponds to the RRM
domains found in A. thaliana CID8, CID9, CID10, CID11,
CID12, CID 13 and mainly their plant homologs. These
highly related RNA-binding proteins contain an
N-terminal PAM2 domain (PABP-interacting motif 2), two
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
and a basic region that resembles a bipartite nuclear
localization signal. The biological role of this family
remains unclear.
Length = 77
Score = 47.0 bits (112), Expect = 1e-07
Identities = 26/74 (35%), Positives = 35/74 (47%), Gaps = 3/74 (4%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
I VGG+ LSE D+ FS GE+ + L D S F F+ + D S LS NL
Sbjct: 3 IHVGGIDGSLSEDDLKEFFSNCGEVTRVRLCGD--RQHSARFAFVEFADAESA-LSALNL 59
Query: 96 NGVKVLSRTIRVDH 109
+G + +RV
Sbjct: 60 SGTLLGGHPLRVSP 73
>gnl|CDD|240861 cd12415, RRM3_RBM28_like, RNA recognition motif 3 in RNA-binding
protein 28 (RBM28) and similar proteins. This
subfamily corresponds to the RRM3 of RBM28 and Nop4p.
RBM28 is a specific nucleolar component of the
spliceosomal small nuclear ribonucleoproteins (snRNPs),
possibly coordinating their transition through the
nucleolus. It specifically associates with U1, U2, U4,
U5, and U6 small nuclear RNAs (snRNAs), and may play a
role in the maturation of both small nuclear and
ribosomal RNAs. RBM28 has four RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and an extremely acidic
region between RRM2 and RRM3. The family also includes
nucleolar protein 4 (Nop4p or Nop77p) encoded by
YPL043W from Saccharomyces cerevisiae. It is an
essential nucleolar protein involved in processing and
maturation of 27S pre-rRNA and biogenesis of 60S
ribosomal subunits. Nop4p also contains four RRMs. .
Length = 82
Score = 47.2 bits (113), Expect = 1e-07
Identities = 20/52 (38%), Positives = 36/52 (69%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+F+ LP+D +E ++ +FSQ+GE+ +V+DK+TG SKG F+ ++ + S
Sbjct: 3 VFIRNLPFDATEEELKELFSQFGEVKYARIVKDKLTGHSKGTAFVKFKTKES 54
>gnl|CDD|241217 cd12773, RRM2_HuR, RNA recognition motif 2 in vertebrate
Hu-antigen R (HuR). This subgroup corresponds to the
RRM2 of HuR, also termed ELAV-like protein 1 (ELAV-1),
the ubiquitously expressed Hu family member. It has a
variety of biological functions mostly related to the
regulation of cellular response to DNA damage and other
types of stress. HuR has an anti-apoptotic function
during early cell stress response. It binds to mRNAs
and enhances the expression of several anti-apoptotic
proteins, such as p21waf1, p53, and prothymosin alpha.
HuR also has pro-apoptotic function by promoting
apoptosis when cell death is unavoidable. Furthermore,
HuR may be important in muscle differentiation,
adipogenesis, suppression of inflammatory response and
modulation of gene expression in response to chronic
ethanol exposure and amino acid starvation. Like other
Hu proteins, HuR contains three RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). RRM1 and RRM2 may
cooperate in binding to an AU-rich RNA element (ARE).
RRM3 may help to maintain the stability of the
RNA-protein complex, and might also bind to poly(A)
tails or be involved in protein-protein interactions. .
Length = 84
Score = 47.3 bits (112), Expect = 1e-07
Identities = 21/66 (31%), Positives = 41/66 (62%)
Query: 34 AWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVD 93
A +++ GLP +++ DV +FS++G I+N ++ D+ TG S+G FI ++ + ++
Sbjct: 1 ANLYISGLPRTMTQKDVEDMFSRFGRIINSRVLVDQATGLSRGVAFIRFDKRSEAEEAIT 60
Query: 94 NLNGVK 99
+ NG K
Sbjct: 61 SFNGHK 66
>gnl|CDD|240801 cd12355, RRM_RBM18, RNA recognition motif in eukaryotic RNA-binding
protein 18 and similar proteins. This subfamily
corresponds to the RRM of RBM18, a putative RNA-binding
protein containing a well-conserved RNA recognition
motif (RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain). The biological role of RBM18
remains unclear. .
Length = 80
Score = 47.3 bits (113), Expect = 1e-07
Identities = 20/76 (26%), Positives = 42/76 (55%), Gaps = 3/76 (3%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKI---TGKSKGFCFICYEDQRSTVLSV 92
+++G L L+E ++ +FS+YG+I + + K G+ +G+CF+ +E + ++
Sbjct: 2 LWIGNLDSRLTEFHLLKLFSKYGKIKKFDFLFHKSGPLKGQPRGYCFVTFETKEEAEKAL 61
Query: 93 DNLNGVKVLSRTIRVD 108
+LNG L + + V
Sbjct: 62 KSLNGKTALGKKLVVR 77
>gnl|CDD|240688 cd12242, RRM_SLIRP, RNA recognition motif found in SRA
stem-loop-interacting RNA-binding protein (SLIRP) and
similar proteins. This subfamily corresponds to the
RRM of SLIRP, a widely expressed small steroid receptor
RNA activator (SRA) binding protein, which binds to
STR7, a functional substructure of SRA. SLIRP is
localized predominantly to the mitochondria and plays a
key role in modulating several nuclear receptor (NR)
pathways. It functions as a co-repressor to repress
SRA-mediated nuclear receptor coactivation. It
modulates SHARP- and SKIP-mediated co-regulation of NR
activity. SLIRP contains an RNA recognition motif
(RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), which is required for
SLIRP's corepression activities. .
Length = 73
Score = 46.9 bits (112), Expect = 1e-07
Identities = 18/50 (36%), Positives = 32/50 (64%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ 85
+FVG LP+ + ++ FSQ+G++ + N+ DK TG SKG+ F+ + +
Sbjct: 2 LFVGNLPWTVGSKELKEYFSQFGKVKSCNVPFDKETGLSKGYGFVSFSSR 51
>gnl|CDD|241220 cd12776, RRM2_HuC, RNA recognition motif 2 in vertebrate Hu-antigen
C (HuC). This subgroup corresponds to the RRM2 of HuC,
also termed ELAV-like protein 3 (ELAV-3), or
paraneoplastic cerebellar degeneration-associated
antigen, or paraneoplastic limbic encephalitis antigen
21 (PLE21), one of the neuronal members of the Hu
family. The neuronal Hu proteins play important roles in
neuronal differentiation, plasticity and memory. Like
other Hu proteins, HuC contains three RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains). RRM1 and RRM2 may
cooperate in binding to an AU-rich RNA element (ARE).
The AU-rich element binding of HuC can be inhibited by
flavonoids. RRM3 may help to maintain the stability of
the RNA-protein complex, and might also bind to poly(A)
tails or be involved in protein-protein interactions. .
Length = 81
Score = 46.9 bits (111), Expect = 1e-07
Identities = 24/71 (33%), Positives = 42/71 (59%)
Query: 34 AWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVD 93
A ++V GLP +S+ ++ +FSQYG I+ ++ D++TG S+G FI ++ + ++
Sbjct: 2 ANLYVSGLPKTMSQKEMEQLFSQYGRIITSRILVDQVTGISRGVGFIRFDKRIEAEEAIK 61
Query: 94 NLNGVKVLSRT 104
LNG K L
Sbjct: 62 GLNGQKPLGAA 72
>gnl|CDD|241019 cd12575, RRM1_hnRNPD_like, RNA recognition motif 1 in
heterogeneous nuclear ribonucleoprotein hnRNP D0, hnRNP
A/B, hnRNP DL and similar proteins. This subfamily
corresponds to the RRM1 in hnRNP D0, hnRNP A/B, hnRNP
DL and similar proteins. hnRNP D0 is a UUAG-specific
nuclear RNA binding protein that may be involved in
pre-mRNA splicing and telomere elongation. hnRNP A/B is
an RNA unwinding protein with a high affinity for G-
followed by U-rich regions. hnRNP A/B has also been
identified as an APOBEC1-binding protein that interacts
with apolipoprotein B (apoB) mRNA transcripts around
the editing site and thus plays an important role in
apoB mRNA editing. hnRNP DL (or hnRNP D-like) is a dual
functional protein that possesses DNA- and RNA-binding
properties. It has been implicated in mRNA biogenesis
at the transcriptional and post-transcriptional levels.
All members in this family contain two putative RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
and a glycine- and tyrosine-rich C-terminus. .
Length = 74
Score = 46.8 bits (111), Expect = 1e-07
Identities = 21/52 (40%), Positives = 37/52 (71%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+FVGGL +D ++ D+ FS++GE+V+ + D +TG+S+GF F+ ++D S
Sbjct: 1 MFVGGLSWDTTKKDLKEYFSKFGEVVDCTIKIDPVTGRSRGFGFVLFKDAAS 52
>gnl|CDD|240824 cd12378, RRM1_I_PABPs, RNA recognition motif 1 in type I
polyadenylate-binding proteins. This subfamily
corresponds to the RRM1 of type I poly(A)-binding
proteins (PABPs), highly conserved proteins that bind to
the poly(A) tail present at the 3' ends of most
eukaryotic mRNAs. They have been implicated in the
regulation of poly(A) tail length during the
polyadenylation reaction, translation initiation, mRNA
stabilization by influencing the rate of deadenylation
and inhibition of mRNA decapping. The family represents
type I polyadenylate-binding proteins (PABPs), including
polyadenylate-binding protein 1 (PABP-1 or PABPC1),
polyadenylate-binding protein 3 (PABP-3 or PABPC3),
polyadenylate-binding protein 4 (PABP-4 or APP-1 or
iPABP), polyadenylate-binding protein 5 (PABP-5 or
PABPC5), polyadenylate-binding protein 1-like
(PABP-1-like or PABPC1L), polyadenylate-binding protein
1-like 2 (PABPC1L2 or RBM32), polyadenylate-binding
protein 4-like (PABP-4-like or PABPC4L), yeast
polyadenylate-binding protein, cytoplasmic and nuclear
(PABP or ACBP-67), and similar proteins. PABP-1 is a
ubiquitously expressed multifunctional protein that may
play a role in 3' end formation of mRNA, translation
initiation, mRNA stabilization, protection of poly(A)
from nuclease activity, mRNA deadenylation, inhibition
of mRNA decapping, and mRNP maturation. Although PABP-1
is thought to be a cytoplasmic protein, it is also found
in the nucleus. PABP-1 may be involved in
nucleocytoplasmic trafficking and utilization of mRNP
particles. PABP-1 contains four copies of RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains), a less
well conserved linker region, and a proline-rich
C-terminal conserved domain (CTD). PABP-3 is a
testis-specific poly(A)-binding protein specifically
expressed in round spermatids. It is mainly found in
mammalian and may play an important role in the
testis-specific regulation of mRNA homeostasis. PABP-3
shows significant sequence similarity to PABP-1.
However, it binds to poly(A) with a lower affinity than
PABP-1. Moreover, PABP-1 possesses an A-rich sequence in
its 5'-UTR and allows binding of PABP and blockage of
translation of its own mRNA. In contrast, PABP-3 lacks
the A-rich sequence in its 5'-UTR. PABP-4 is an
inducible poly(A)-binding protein (iPABP) that is
primarily localized to the cytoplasm. It shows
significant sequence similarity to PABP-1 as well. The
RNA binding properties of PABP-1 and PABP-4 appear to be
identical. PABP-5 is encoded by PABPC5 gene within the
X-specific subinterval, and expressed in fetal brain and
in a range of adult tissues in mammals, such as ovary
and testis. It may play an important role in germ cell
development. Moreover, unlike other PABPs, PABP-5
contains only four RRMs, but lacks both the linker
region and the CTD. PABP-1-like and PABP-1-like 2 are
the orthologs of PABP-1. PABP-4-like is the ortholog of
PABP-5. Their cellular functions remain unclear. The
family also includes yeast PABP, a conserved poly(A)
binding protein containing poly(A) tails that can be
attached to the 3'-ends of mRNAs. The yeast PABP and its
homologs may play important roles in the initiation of
translation and in mRNA decay. Like vertebrate PABP-1,
the yeast PABP contains four RRMs, a linker region, and
a proline-rich CTD as well. The first two RRMs are
mainly responsible for specific binding to poly(A). The
proline-rich region may be involved in protein-protein
interactions. .
Length = 80
Score = 46.8 bits (112), Expect = 2e-07
Identities = 20/71 (28%), Positives = 41/71 (57%)
Query: 37 FVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLN 96
+VG L D++E + IFS G ++++ + RD IT +S G+ ++ +++ ++D LN
Sbjct: 3 YVGDLHPDVTEAMLYEIFSPAGPVLSIRVCRDLITRRSLGYAYVNFQNPADAERALDTLN 62
Query: 97 GVKVLSRTIRV 107
+ + IR+
Sbjct: 63 FDVIKGKPIRI 73
>gnl|CDD|240819 cd12373, RRM_SRSF3_like, RNA recognition motif in
serine/arginine-rich splicing factor 3 (SRSF3) and
similar proteins. This subfamily corresponds to the RRM
of two serine/arginine (SR) proteins,
serine/arginine-rich splicing factor 3 (SRSF3) and
serine/arginine-rich splicing factor 7 (SRSF7). SRSF3,
also termed pre-mRNA-splicing factor SRp20, modulates
alternative splicing by interacting with RNA
cis-elements in a concentration- and cell
differentiation-dependent manner. It is also involved in
termination of transcription, alternative RNA
polyadenylation, RNA export, and protein translation.
SRSF3 is critical for cell proliferation, and tumor
induction and maintenance. It can shuttle between the
nucleus and cytoplasm. SRSF7, also termed splicing
factor 9G8, plays a crucial role in both constitutive
splicing and alternative splicing of many pre-mRNAs. Its
localization and functions are tightly regulated by
phosphorylation. SRSF7 is predominantly present in the
nuclear and can shuttle between nucleus and cytoplasm.
It cooperates with the export protein, Tap/NXF1, helps
mRNA export to the cytoplasm, and enhances the
expression of unspliced mRNA. Moreover, SRSF7 inhibits
tau E10 inclusion through directly interacting with the
proximal downstream intron of E10, a clustering region
for frontotemporal dementia with Parkinsonism (FTDP)
mutations. Both SRSF3 and SRSF7 contain a single
N-terminal RNA recognition motif (RRM), also termed RBD
(RNA binding domain) or RNP (ribonucleoprotein domain),
and a C-terminal RS domain rich in serine-arginine
dipeptides. The RRM domain is involved in RNA binding,
and the RS domain has been implicated in protein
shuttling and protein-protein interactions. .
Length = 73
Score = 46.5 bits (111), Expect = 2e-07
Identities = 18/74 (24%), Positives = 37/74 (50%), Gaps = 5/74 (6%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG L ++ ++ F +YG + ++ + R GF F+ +ED R +V L
Sbjct: 2 VYVGNLGPRATKRELEDEFEKYGPLRSVWVAR-----NPPGFAFVEFEDPRDAEDAVRAL 56
Query: 96 NGVKVLSRTIRVDH 109
+G ++ +RV+
Sbjct: 57 DGRRICGNRVRVEL 70
>gnl|CDD|240681 cd12235, RRM_PPIL4, RNA recognition motif in peptidyl-prolyl
cis-trans isomerase-like 4 (PPIase) and similar
proteins. This subfamily corresponds to the RRM of
PPIase, also termed cyclophilin-like protein PPIL4, or
rotamase PPIL4, a novel nuclear RNA-binding protein
encoded by cyclophilin-like PPIL4 gene. The precise role
of PPIase remains unclear. PPIase contains a conserved
N-terminal peptidyl-prolyl cistrans isomerase (PPIase)
motif, a central RNA recognition motif (RRM), also
termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), followed by a lysine rich
domain, and a pair of bipartite nuclear targeting
sequences (NLS) at the C-terminus.
Length = 83
Score = 46.5 bits (111), Expect = 2e-07
Identities = 20/63 (31%), Positives = 36/63 (57%)
Query: 46 SEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTI 105
++ D+ IFS++G+I + ++RDK TG S + FI +E + + ++ V + R I
Sbjct: 16 TDEDLEIIFSRFGKIKSCEVIRDKKTGDSLQYAFIEFETKEDCEEAYFKMDNVLIDDRRI 75
Query: 106 RVD 108
VD
Sbjct: 76 HVD 78
>gnl|CDD|241096 cd12652, RRM2_Hu, RNA recognition motif 2 in the Hu proteins
family. This subfamily corresponds to the RRM2 of Hu
proteins family which represents a group of RNA-binding
proteins involved in diverse biological processes.
Since the Hu proteins share high homology with the
Drosophila embryonic lethal abnormal vision (ELAV)
protein, the Hu family is sometimes referred to as the
ELAV family. Drosophila ELAV is exclusively expressed
in neurons and is required for the correct
differentiation and survival of neurons in flies. The
neuronal members of the Hu family include Hu-antigen B
(HuB or ELAV-2 or Hel-N1), Hu-antigen C (HuC or ELAV-3
or PLE21), and Hu-antigen D (HuD or ELAV-4), which play
important roles in neuronal differentiation, plasticity
and memory. HuB is also expressed in gonads. Hu-antigen
R (HuR or ELAV-1 or HuA) is the ubiquitously expressed
Hu family member. It has a variety of biological
functions mostly related to the regulation of cellular
response to DNA damage and other types of stress.
Moreover, HuR has an anti-apoptotic function during
early cell stress response. It binds to mRNAs and
enhances the expression of several anti-apoptotic
proteins, such as p21waf1, p53, and prothymosin alpha.
HuR also has pro-apoptotic function by promoting
apoptosis when cell death is unavoidable. Furthermore,
HuR may be important in muscle differentiation,
adipogenesis, suppression of inflammatory response and
modulation of gene expression in response to chronic
ethanol exposure and amino acid starvation. Hu proteins
perform their cytoplasmic and nuclear molecular
functions by coordinately regulating functionally
related mRNAs. In the cytoplasm, Hu proteins recognize
and bind to AU-rich RNA elements (AREs) in the 3'
untranslated regions (UTRs) of certain target mRNAs,
such as GAP-43, vascular epithelial growth factor
(VEGF), the glucose transporter GLUT1, eotaxin and
c-fos, and stabilize those ARE-containing mRNAs. They
also bind and regulate the translation of some target
mRNAs, such as neurofilament M, GLUT1, and p27. In the
nucleus, Hu proteins function as regulators of
polyadenylation and alternative splicing. Each Hu
protein contains three RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). RRM1 and RRM2 may
cooperate in binding to an ARE. RRM3 may help to
maintain the stability of the RNA-protein complex, and
might also bind to poly(A) tails or be involved in
protein-protein interactions. .
Length = 79
Score = 46.5 bits (111), Expect = 2e-07
Identities = 22/65 (33%), Positives = 39/65 (60%), Gaps = 2/65 (3%)
Query: 34 AWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTV-LSV 92
A ++V GLP +++ ++ +FS YG I+ ++ D +TG S+G FI + D+R ++
Sbjct: 1 ANLYVSGLPKTMTQQELEALFSPYGRIITSRILCDNVTGLSRGVGFIRF-DKRIEAERAI 59
Query: 93 DNLNG 97
LNG
Sbjct: 60 KALNG 64
>gnl|CDD|241077 cd12633, RRM1_FCA, RNA recognition motif 1 in plant flowering time
control protein FCA and similar proteins. This subgroup
corresponds to the RRM1 of FCA, a gene controlling
flowering time in Arabidopsis, encoding a flowering time
control protein that functions in the
posttranscriptional regulation of transcripts involved
in the flowering process. FCA contains two RNA
recognition motifs (RRMs), also known as RBDs (RNA
binding domains) or RNP (ribonucleoprotein domains), and
a WW protein interaction domain. .
Length = 80
Score = 46.1 bits (109), Expect = 3e-07
Identities = 18/66 (27%), Positives = 39/66 (59%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG +P ++E +V +F ++G ++ + +++DK TG +G CF+ Y + ++ L
Sbjct: 2 LFVGSVPRTITEQEVRPMFEEHGNVLEVAIIKDKRTGHQQGCCFVKYSTRDEADRAIRAL 61
Query: 96 NGVKVL 101
+ + L
Sbjct: 62 HNQRTL 67
>gnl|CDD|241029 cd12585, RRM2_hnRPDL, RNA recognition motif 2 in heterogeneous
nuclear ribonucleoprotein D-like (hnRNP DL) and similar
proteins. This subgroup corresponds to the RRM2 of
hnRNP DL (or hnRNP D-like), also termed AU-rich element
RNA-binding factor, or JKT41-binding protein (protein
laAUF1 or JKTBP), is a dual functional protein that
possesses DNA- and RNA-binding properties. It has been
implicated in mRNA biogenesis at the transcriptional
and post-transcriptional levels. hnRNP DL binds
single-stranded DNA (ssDNA) or double-stranded DNA
(dsDNA) in a non-sequencespecific manner, and interacts
with poly(G) and poly(A) tenaciously. It contains two
putative two RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), and a glycine- and tyrosine-rich C-terminus.
.
Length = 75
Score = 45.8 bits (108), Expect = 4e-07
Identities = 21/50 (42%), Positives = 30/50 (60%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ 85
+FVGGL D +E + F +GEI N+ L D T + +GFCF+ Y D+
Sbjct: 2 VFVGGLSPDTTEEQIKEYFGAFGEIENIELPMDTKTNERRGFCFVTYTDE 51
>gnl|CDD|240791 cd12345, RRM2_SECp43_like, RNA recognition motif 2 in tRNA
selenocysteine-associated protein 1 (SECp43) and similar
proteins. This subfamily corresponds to the RRM2 in
tRNA selenocysteine-associated protein 1 (SECp43), yeast
negative growth regulatory protein NGR1 (RBP1), yeast
protein NAM8, and similar proteins. SECp43 is an
RNA-binding protein associated specifically with
eukaryotic selenocysteine tRNA [tRNA(Sec)]. It may play
an adaptor role in the mechanism of selenocysteine
insertion. SECp43 is located primarily in the nucleus
and contains two N-terminal RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and a C-terminal
polar/acidic region. Yeast proteins, NGR1 and NAM8, show
high sequence similarity with SECp43. NGR1 is a putative
glucose-repressible protein that binds both RNA and
single-stranded DNA (ssDNA). It may function in
regulating cell growth in early log phase, possibly
through its participation in RNA metabolism. NGR1
contains three RRMs, two of which are followed by a
glutamine-rich stretch that may be involved in
transcriptional activity. In addition, NGR1 has an
asparagine-rich region near the C-terminus which also
harbors a methionine-rich region. NAM8 is a putative
RNA-binding protein that acts as a suppressor of
mitochondrial splicing deficiencies when overexpressed
in yeast. It may be a non-essential component of the
mitochondrial splicing machinery. NAM8 also contains
three RRMs. .
Length = 80
Score = 45.7 bits (109), Expect = 4e-07
Identities = 24/76 (31%), Positives = 40/76 (52%), Gaps = 1/76 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQ-YGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
IFVG L D+++ + F Y + +V D +TG+SKG+ F+ + D+ ++
Sbjct: 4 IFVGDLAPDVTDYMLQETFRARYPSVRGAKVVMDPVTGRSKGYGFVRFGDEDERDRALTE 63
Query: 95 LNGVKVLSRTIRVDHV 110
+NGV SR +RV
Sbjct: 64 MNGVYCSSRPMRVSPA 79
>gnl|CDD|130689 TIGR01628, PABP-1234, polyadenylate binding protein, human types 1,
2, 3, 4 family. These eukaryotic proteins recognize the
poly-A of mRNA and consists of four tandem RNA
recognition domains at the N-terminus (rrm: pfam00076)
followed by a PABP-specific domain (pfam00658) at the
C-terminus. The protein is involved in the transport of
mRNA's from the nucleus to the cytoplasm. There are four
paralogs in Homo sapiens which are expressed in testis
(GP:11610605_PABP3 ), platelets (SP:Q13310_PABP4 ),
broadly expressed (SP:P11940_PABP1) and of unknown
tissue range (SP:Q15097_PABP2).
Length = 562
Score = 49.0 bits (117), Expect = 4e-07
Identities = 19/90 (21%), Positives = 43/90 (47%), Gaps = 4/90 (4%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IFV L + + FS++G I++ + D+ GKS+G+ F+ +E + S ++ +
Sbjct: 91 IFVKNLDKSVDNKALFDTFSKFGNILSCKVATDE-NGKSRGYGFVHFEKEESAKAAIQKV 149
Query: 96 NGVKVLSRTIRVDHVNDYKPPKDNKYTDEE 125
NG+ + + + V + + + +
Sbjct: 150 NGMLLNDKEVYVGR---FIKKHEREAAPLK 176
Score = 47.1 bits (112), Expect = 2e-06
Identities = 18/65 (27%), Positives = 40/65 (61%), Gaps = 1/65 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V L ++E + +F+++GEI + +++D +G+S+GF F+ +E +V+ +
Sbjct: 181 LYVKNLDPSVNEDKLRELFAKFGEITSAAVMKDG-SGRSRGFAFVNFEKHEDAAKAVEEM 239
Query: 96 NGVKV 100
NG K+
Sbjct: 240 NGKKI 244
Score = 44.8 bits (106), Expect = 1e-05
Identities = 16/74 (21%), Positives = 44/74 (59%)
Query: 34 AWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVD 93
A ++VG L D++E + +F +G ++++ + RD +T +S G+ ++ +++ +++
Sbjct: 1 ASLYVGDLDPDVTEAKLYDLFKPFGPVLSVRVCRDSVTRRSLGYGYVNFQNPADAERALE 60
Query: 94 NLNGVKVLSRTIRV 107
+N ++ + IR+
Sbjct: 61 TMNFKRLGGKPIRI 74
Score = 39.8 bits (93), Expect = 6e-04
Identities = 14/44 (31%), Positives = 26/44 (59%), Gaps = 1/44 (2%)
Query: 54 FSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNG 97
FS+ GEI + ++ D+ G S+GF F+C+ + +V ++G
Sbjct: 306 FSECGEITSAKVMLDE-KGVSRGFGFVCFSNPEEANRAVTEMHG 348
>gnl|CDD|240773 cd12327, RRM2_DAZAP1, RNA recognition motif 2 in Deleted in
azoospermia-associated protein 1 (DAZAP1) and similar
proteins. This subfamily corresponds to the RRM2 of
DAZAP1 or DAZ-associated protein 1, also termed
proline-rich RNA binding protein (Prrp), a
multi-functional ubiquitous RNA-binding protein
expressed most abundantly in the testis and essential
for normal cell growth, development, and
spermatogenesis. DAZAP1 is a shuttling protein whose
acetylated is predominantly nuclear and the
nonacetylated form is in cytoplasm. DAZAP1 also
functions as a translational regulator that activates
translation in an mRNA-specific manner. DAZAP1 was
initially identified as a binding partner of Deleted in
Azoospermia (DAZ). It also interacts with numerous
hnRNPs, including hnRNP U, hnRNP U like-1, hnRNPA1,
hnRNPA/B, and hnRNP D, suggesting DAZAP1 might
associate and cooperate with hnRNP particles to
regulate adenylate-uridylate-rich elements (AU-rich
element or ARE)-containing mRNAs. DAZAP1 contains two
N-terminal RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), and a C-terminal proline-rich domain. .
Length = 80
Score = 45.8 bits (109), Expect = 4e-07
Identities = 20/52 (38%), Positives = 33/52 (63%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
IFVGGLP +++E D+ FSQ+G + + ++ D + +GF FI +E + S
Sbjct: 5 IFVGGLPPNVTETDLRKYFSQFGTVTEVVVMYDHEKKRPRGFGFITFESEDS 56
>gnl|CDD|240800 cd12354, RRM3_TIA1_like, RNA recognition motif 2 in
granule-associated RNA binding proteins (p40-TIA-1 and
TIAR), and yeast nuclear and cytoplasmic polyadenylated
RNA-binding protein PUB1. This subfamily corresponds to
the RRM3 of TIA-1, TIAR, and PUB1. Nucleolysin TIA-1
isoform p40 (p40-TIA-1 or TIA-1) and nucleolysin
TIA-1-related protein (TIAR) are granule-associated RNA
binding proteins involved in inducing apoptosis in
cytotoxic lymphocyte (CTL) target cells. They share high
sequence similarity and are expressed in a wide variety
of cell types. TIA-1 can be phosphorylated by a
serine/threonine kinase that is activated during
Fas-mediated apoptosis.TIAR is mainly localized in the
nucleus of hematopoietic and nonhematopoietic cells. It
is translocated from the nucleus to the cytoplasm in
response to exogenous triggers of apoptosis. Both TIA-1
and TIAR bind specifically to poly(A) but not to poly(C)
homopolymers. They are composed of three N-terminal
highly homologous RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and a glutamine-rich
C-terminal auxiliary domain containing a
lysosome-targeting motif. TIA-1 and TIAR interact with
RNAs containing short stretches of uridylates and their
RRM2 can mediate the specific binding to uridylate-rich
RNAs. The C-terminal auxiliary domain may be responsible
for interacting with other proteins. In addition, TIA-1
and TIAR share a potential serine protease-cleavage site
(Phe-Val-Arg) localized at the junction between their
RNA binding domains and their C-terminal auxiliary
domains. This subfamily also includes a yeast nuclear
and cytoplasmic polyadenylated RNA-binding protein PUB1,
termed ARS consensus-binding protein ACBP-60, or poly
uridylate-binding protein, or poly(U)-binding protein,
which has been identified as both a heterogeneous
nuclear RNA-binding protein (hnRNP) and a cytoplasmic
mRNA-binding protein (mRNP). It may be stably bound to a
translationally inactive subpopulation of mRNAs within
the cytoplasm. PUB1 is distributed in both, the nucleus
and the cytoplasm, and binds to poly(A)+ RNA (mRNA or
pre-mRNA). Although it is one of the major cellular
proteins cross-linked by UV light to polyadenylated RNAs
in vivo, PUB1 is nonessential for cell growth in yeast.
PUB1 also binds to T-rich single stranded DNA (ssDNA);
however, there is no strong evidence implicating PUB1 in
the mechanism of DNA replication. PUB1 contains three
RRMs, and a GAR motif (glycine and arginine rich
stretch) that is located between RRM2 and RRM3. .
Length = 73
Score = 45.7 bits (109), Expect = 4e-07
Identities = 17/72 (23%), Positives = 39/72 (54%), Gaps = 6/72 (8%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG LP+ L+E ++ FS +G I + + +D KG+ F+ ++ + ++ +
Sbjct: 3 VYVGNLPHGLTEEELQRTFSPFGAIEEVRVFKD------KGYAFVRFDTHEAAATAIVAV 56
Query: 96 NGVKVLSRTIRV 107
NG + +T++
Sbjct: 57 NGTSINGQTVKC 68
>gnl|CDD|240717 cd12271, RRM1_PHIP1, RNA recognition motif 1 in Arabidopsis
thaliana phragmoplastin interacting protein 1 (PHIP1)
and similar proteins. This subfamily corresponds to the
RRM1 of PHIP1. A. thaliana PHIP1 and its homologs
represent a novel class of plant-specific RNA-binding
proteins that may play a unique role in the polarized
mRNA transport to the vicinity of the cell plate. The
family members consist of multiple functional domains,
including a lysine-rich domain (KRD domain) that
contains three nuclear localization motifs (KKKR/NK),
two RNA recognition motifs (RRMs), and three CCHC-type
zinc fingers. PHIP1 is a peripheral membrane protein and
is localized at the cell plate during cytokinesis in
plants. In addition to phragmoplastin, PHIP1 interacts
with two Arabidopsis small GTP-binding proteins, Rop1
and Ran2. However, PHIP1 interacted only with the
GTP-bound form of Rop1 but not the GDP-bound form. It
also binds specifically to Ran2 mRNA. .
Length = 72
Score = 45.4 bits (108), Expect = 4e-07
Identities = 22/72 (30%), Positives = 39/72 (54%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VGG+PY +E ++ FS GEI L+L+ TG+ +G FI ++ + L
Sbjct: 1 VYVGGIPYYSTEDEIRSYFSYCGEIEELDLMTFPDTGRFRGIAFITFKTE-EAAKRALAL 59
Query: 96 NGVKVLSRTIRV 107
+G + R ++V
Sbjct: 60 DGEDMGGRFLKV 71
>gnl|CDD|240782 cd12336, RRM_RBM7_like, RNA recognition motif in RNA-binding
protein 7 (RBM7) and similar proteins. This subfamily
corresponds to the RRM of RBM7, RBM11 and their
eukaryotic homologous. RBM7 is an ubiquitously expressed
pre-mRNA splicing factor that enhances messenger RNA
(mRNA) splicing in a cell-specific manner or in a
certain developmental process, such as spermatogenesis.
It interacts with splicing factors SAP145 (the
spliceosomal splicing factor 3b subunit 2) and SRp20,
and may play a more specific role in meiosis entry and
progression. Together with additional testis-specific
RNA-binding proteins, RBM7 may regulate the splicing of
specific pre-mRNA species that are important in the
meiotic cell cycle. RBM11 is a novel tissue-specific
splicing regulator that is selectively expressed in
brain, cerebellum and testis, and to a lower extent in
kidney. It is localized in the nucleoplasm and enriched
in SRSF2-containing splicing speckles. It may play a
role in the modulation of alternative splicing during
neuron and germ cell differentiation. Both, RBM7 and
RBM11, contain an N-terminal RNA recognition motif
(RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), and a region lacking known
homology at the C-terminus. The RRM is responsible for
RNA binding, whereas the C-terminal region permits
nuclear localization and homodimerization. .
Length = 75
Score = 45.4 bits (108), Expect = 5e-07
Identities = 20/73 (27%), Positives = 40/73 (54%), Gaps = 1/73 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG L ++E + +F Q G + + + +D GK K F F+ ++ + S ++ L
Sbjct: 4 LFVGNLDARVTEEILYELFLQAGPLEGVKIPKDP-NGKPKSFAFVTFKHEVSVPYAIQLL 62
Query: 96 NGVKVLSRTIRVD 108
NG+++ R +R+
Sbjct: 63 NGIRLFGRELRIK 75
>gnl|CDD|240736 cd12290, RRM1_LARP7, RNA recognition motif 1 in La-related
protein 7 (LARP7) and similar proteins. This subfamily
corresponds to the RRM1 of LARP7, also termed La
ribonucleoprotein domain family member 7, or
P-TEFb-interaction protein for 7SK stability (PIP7S),
an oligopyrimidine-binding protein that binds to the
highly conserved 3'-terminal U-rich stretch (3'
-UUU-OH) of 7SK RNA. LARP7 is a stable component of the
7SK small nuclear ribonucleoprotein (7SK snRNP). It
intimately associates with all the nuclear 7SK and is
required for 7SK stability. LARP7 also acts as a
negative transcriptional regulator of cellular and
viral polymerase II genes, acting by means of the 7SK
snRNP system. It plays an essential role in the
inhibition of positive transcription elongation factor
b (P-TEFb)-dependent transcription, which has been
linked to the global control of cell growth and
tumorigenesis. LARP7 contains a La motif (LAM) and an
RNA recognition motif (RRM), also termed RBD (RNA
binding domain) or RNP (ribonucleoprotein domain), at
the N-terminal region, which mediates binding to the
U-rich 3' terminus of 7SK RNA. LARP7 also carries
another putative RRM domain at its C-terminus. .
Length = 80
Score = 45.4 bits (108), Expect = 5e-07
Identities = 19/52 (36%), Positives = 30/52 (57%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
++V LP + + + +FS+YG +V ++L R K TG KGF FI +E
Sbjct: 2 VYVECLPKNATHEWLKAVFSKYGTVVYVSLPRYKHTGDIKGFAFIEFETPEE 53
>gnl|CDD|233515 TIGR01659, sex-lethal, sex-lethal family splicing factor. This
model describes the sex-lethal family of splicing
factors found in Dipteran insects. The sex-lethal
phenotype, however, may be limited to the Melanogasters
and closely related species. In Drosophila the protein
acts as an inhibitor of splicing. This subfamily is most
closely related to the ELAV/HUD subfamily of splicing
factors (TIGR01661).
Length = 346
Score = 48.5 bits (115), Expect = 6e-07
Identities = 22/71 (30%), Positives = 41/71 (57%), Gaps = 1/71 (1%)
Query: 28 DQYKDSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+ KD+ ++V LP +++ + IF +YG+IV N++RDK+TG +G F+ + +
Sbjct: 189 ESIKDTN-LYVTNLPRTITDDQLDTIFGKYGQIVQKNILRDKLTGTPRGVAFVRFNKREE 247
Query: 88 TVLSVDNLNGV 98
++ LN V
Sbjct: 248 AQEAISALNNV 258
Score = 42.3 bits (99), Expect = 6e-05
Identities = 23/109 (21%), Positives = 52/109 (47%)
Query: 1 MNPLTNVKNIKKLSEQELSSGSKTSWHDQYKDSAWIFVGGLPYDLSEGDVICIFSQYGEI 60
+ + N+ N+ + + +D + V LP D+++ ++ +F G I
Sbjct: 75 LGSMGNMANMASTNSLNSLGSGGSDDNDTNNSGTNLIVNYLPQDMTDRELYALFRTIGPI 134
Query: 61 VNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRVDH 109
++RD TG S G+ F+ + + + ++ NLNG+ V ++ ++V +
Sbjct: 135 NTCRIMRDYKTGYSFGYAFVDFGSEADSQRAIKNLNGITVRNKRLKVSY 183
>gnl|CDD|240846 cd12400, RRM_Nop6, RNA recognition motif in Saccharomyces
cerevisiae nucleolar protein 6 (Nop6) and similar
proteins. This subfamily corresponds to the RRM of
Nop6, also known as Ydl213c, a component of 90S
pre-ribosomal particles in yeast S. cerevisiae. It is
enriched in the nucleolus and is required for 40S
ribosomal subunit biogenesis. Nop6 is a non-essential
putative RNA-binding protein with two N-terminal
putative nuclear localisation sequences (NLS-1 and
NLS-2) and an RNA recognition motif (RRM), also termed
RBD (RNA binding domain) or RNP (ribonucleoprotein
domain). It binds to the pre-rRNA early during
transcription and plays an essential role in pre-rRNA
processing. .
Length = 74
Score = 45.0 bits (107), Expect = 6e-07
Identities = 20/51 (39%), Positives = 30/51 (58%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQR 86
+FVG LPYD + D++ F G ++ L+ DK TGKSKG F+ ++
Sbjct: 3 LFVGNLPYDTTAEDLLAHFKNAGAPPSVRLLTDKKTGKSKGCAFVEFDTAE 53
>gnl|CDD|241097 cd12653, RRM3_HuR, RNA recognition motif 3 in vertebrate Hu-antigen
R (HuR). This subgroup corresponds to the RRM3 of HuR,
also termed ELAV-like protein 1 (ELAV-1), the
ubiquitously expressed Hu family member. It has a
variety of biological functions mostly related to the
regulation of cellular response to DNA damage and other
types of stress. HuR has an anti-apoptotic function
during early cell stress response. It binds to mRNAs and
enhances the expression of several anti-apoptotic
proteins, such as p21waf1, p53, and prothymosin alpha.
HuR also has pro-apoptotic function by promoting
apoptosis when cell death is unavoidable. Furthermore,
HuR may be important in muscle differentiation,
adipogenesis, suppression of inflammatory response and
modulation of gene expression in response to chronic
ethanol exposure and amino acid starvation. Like other
Hu proteins, HuR contains three RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). RRM1 and RRM2 may cooperate
in binding to an AU-rich RNA element (ARE). RRM3 may
help to maintain the stability of the RNA-protein
complex, and might also bind to poly(A) tails or be
involved in protein-protein interactions. .
Length = 84
Score = 45.4 bits (107), Expect = 6e-07
Identities = 21/72 (29%), Positives = 40/72 (55%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IF+ L D EG + +F +G + N+ ++RD T K KGF F+ + +++ +L
Sbjct: 4 IFIYNLGQDADEGILWQMFGPFGAVTNVKVIRDFNTNKCKGFGFVTMTNYEEAAMAIASL 63
Query: 96 NGVKVLSRTIRV 107
NG ++ + ++V
Sbjct: 64 NGYRLGDKILQV 75
>gnl|CDD|241085 cd12641, RRM_TRA2B, RNA recognition motif in Transformer-2 protein
homolog beta (TRA-2 beta) and similar proteins. This
subgroup corresponds to the RRM of TRA2-beta or
TRA-2-beta, also termed splicing factor,
arginine/serine-rich 10 (SFRS10), or transformer-2
protein homolog B, a mammalian homolog of Drosophila
transformer-2 (Tra2). TRA2-beta is a
serine/arginine-rich (SR) protein that controls the
pre-mRNA alternative splicing of the
calcitonin/calcitonin gene-related peptide (CGRP), the
survival motor neuron 1 (SMN1) protein and the tau
protein. It contains a well conserved RNA recognition
motif (RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), flanked by the N- and
C-terminal arginine/serine (RS)-rich regions. TRA2-beta
specifically binds to two types of RNA sequences, the
CAA and (GAA)2 sequences, through the RRMs in different
RNA binding modes. .
Length = 89
Score = 45.4 bits (107), Expect = 7e-07
Identities = 24/72 (33%), Positives = 44/72 (61%)
Query: 38 VGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNG 97
V GL +E D+ +FS+YG I ++++V D+ + +S+GF F+ +E+ + + NG
Sbjct: 14 VFGLSLYTTERDLREVFSKYGPIADVSIVYDQQSRRSRGFAFVYFENVDDAKEAKERANG 73
Query: 98 VKVLSRTIRVDH 109
+++ R IRVD
Sbjct: 74 MELDGRRIRVDF 85
>gnl|CDD|241202 cd12758, RRM1_hnRPDL, RNA recognition motif 1 in heterogeneous
nuclear ribonucleoprotein D-like (hnRNP D-like or hnRNP
DL) and similar proteins. This subgroup corresponds to
the RRM1 of hnRNP DL (or hnRNP D-like), also termed
AU-rich element RNA-binding factor, or JKT41-binding
protein (protein laAUF1 or JKTBP), which is a dual
functional protein that possesses DNA- and RNA-binding
properties. It has been implicated in mRNA biogenesis
at the transcriptional and post-transcriptional levels.
hnRNP DL binds single-stranded DNA (ssDNA) or
double-stranded DNA (dsDNA) in a non-sequencespecific
manner, and interacts with poly(G) and poly(A)
tenaciously. It contains two putative two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
and a glycine- and tyrosine-rich C-terminus. .
Length = 76
Score = 45.0 bits (106), Expect = 7e-07
Identities = 19/52 (36%), Positives = 36/52 (69%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+F+GGL +D S+ D+ S++GE+++ + D +TG+S+GF F+ ++D S
Sbjct: 2 MFIGGLSWDTSKKDLTEYLSRFGEVLDCTIKTDPVTGRSRGFGFVLFKDAAS 53
>gnl|CDD|241098 cd12654, RRM3_HuB, RNA recognition motif 3 in vertebrate Hu-antigen
B (HuB). This subgroup corresponds to the RRM3 of HuB,
also termed ELAV-like protein 2 (ELAV-2), or ELAV-like
neuronal protein 1, or nervous system-specific
RNA-binding protein Hel-N1 (Hel-N1), one of the neuronal
members of the Hu family. The neuronal Hu proteins play
important roles in neuronal differentiation, plasticity
and memory. HuB is also expressed in gonads. It is
up-regulated during neuronal differentiation of
embryonic carcinoma P19 cells. Like other Hu proteins,
HuB contains three RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). RRM1 and RRM2 may cooperate
in binding to an AU-rich RNA element (ARE). RRM3 may
help to maintain the stability of the RNA-protein
complex, and might also bind to poly(A) tails or be
involved in protein-protein interactions. .
Length = 86
Score = 45.1 bits (106), Expect = 8e-07
Identities = 26/89 (29%), Positives = 46/89 (51%), Gaps = 5/89 (5%)
Query: 33 SAW-IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLS 91
+ W IFV L D E + +F +G + N+ ++RD T K KGF F+ + ++
Sbjct: 2 TGWCIFVYNLAPDADESILWQMFGPFGAVTNVKVIRDFNTNKCKGFGFVTMTNYDEAAMA 61
Query: 92 VDNLNGVKVLSRTIRVDHVNDYKPPKDNK 120
+ +LNG ++ R ++V +K K +K
Sbjct: 62 IASLNGYRLGDRVLQV----SFKTNKTHK 86
>gnl|CDD|241200 cd12756, RRM1_hnRNPD, RNA recognition motif 1 in heterogeneous
nuclear ribonucleoprotein D0 (hnRNP D0) and similar
proteins. This subgroup corresponds to the RRM1 of
hnRNP D0, also termed AU-rich element RNA-binding
protein 1, which is a UUAG-specific nuclear RNA binding
protein that may be involved in pre-mRNA splicing and
telomere elongation. hnRNP D0 contains two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
in the middle and an RGG box rich in glycine and
arginine residues in the C-terminal part. Each of RRMs
can bind solely to the UUAG sequence specifically. .
Length = 74
Score = 44.6 bits (105), Expect = 9e-07
Identities = 21/52 (40%), Positives = 37/52 (71%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+F+GGL +D ++ D+ FS++GE+V+ L D ITG+S+GF F+ +++ S
Sbjct: 1 MFIGGLSWDTTKKDLKDYFSKFGEVVDCTLKLDPITGRSRGFGFVLFKESES 52
>gnl|CDD|240752 cd12306, RRM_II_PABPs, RNA recognition motif in type II
polyadenylate-binding proteins. This subfamily
corresponds to the RRM of type II polyadenylate-binding
proteins (PABPs), including polyadenylate-binding
protein 2 (PABP-2 or PABPN1), embryonic
polyadenylate-binding protein 2 (ePABP-2 or PABPN1L) and
similar proteins. PABPs are highly conserved proteins
that bind to the poly(A) tail present at the 3' ends of
most eukaryotic mRNAs. They have been implicated in the
regulation of poly(A) tail length during the
polyadenylation reaction, translation initiation, mRNA
stabilization by influencing the rate of deadenylation
and inhibition of mRNA decapping. ePABP-2 is
predominantly located in the cytoplasm and PABP-2 is
located in the nucleus. In contrast to the type I PABPs
containing four copies of RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), the type II PABPs contains
a single highly-conserved RRM. This subfamily also
includes Saccharomyces cerevisiae RBP29 (SGN1, YIR001C)
gene encoding cytoplasmic mRNA-binding protein Rbp29
that binds preferentially to poly(A). Although not
essential for cell viability, Rbp29 plays a role in
modulating the expression of cytoplasmic mRNA. Like
other type II PABPs, Rbp29 contains one RRM only. .
Length = 73
Score = 44.6 bits (106), Expect = 9e-07
Identities = 25/75 (33%), Positives = 39/75 (52%), Gaps = 7/75 (9%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN- 94
IFVG + Y + ++ F G I + ++ DK TG+ KGF +I + D+ SV+N
Sbjct: 2 IFVGNVDYGTTPEELQEHFKSCGTINRITILCDKFTGQPKGFAYIEFLDKS----SVENA 57
Query: 95 --LNGVKVLSRTIRV 107
LN + R I+V
Sbjct: 58 LLLNESEFRGRQIKV 72
>gnl|CDD|241218 cd12774, RRM2_HuD, RNA recognition motif 2 in vertebrate
Hu-antigen D (HuD). This subgroup corresponds to the
RRM2 of HuD, also termed ELAV-like protein 4 (ELAV-4),
or paraneoplastic encephalomyelitis antigen HuD, one of
the neuronal members of the Hu family. The neuronal Hu
proteins play important roles in neuronal
differentiation, plasticity and memory. HuD has been
implicated in various aspects of neuronal function,
such as the commitment and differentiation of neuronal
precursors as well as synaptic remodeling in mature
neurons. HuD also functions as an important regulator
of mRNA expression in neurons by interacting with
AU-rich RNA element (ARE) and stabilizing multiple
transcripts. Moreover, HuD regulates the nuclear
processing/stability of N-myc pre-mRNA in neuroblastoma
cells and also regulates the neurite elongation and
morphological differentiation. HuD specifically binds
poly(A) RNA. Like other Hu proteins, HuD contains three
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains).
RRM1 and RRM2 may cooperate in binding to an ARE. RRM3
may help to maintain the stability of the RNA-protein
complex, and might also bind to poly(A) tails or be
involved in protein-protein interactions. .
Length = 81
Score = 44.7 bits (105), Expect = 9e-07
Identities = 22/66 (33%), Positives = 41/66 (62%)
Query: 34 AWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVD 93
A ++V GLP +++ ++ +FSQYG I+ ++ D++TG S+G FI ++ + ++
Sbjct: 3 ANLYVSGLPKTMTQKELEQLFSQYGRIITSRILVDQVTGVSRGVGFIRFDKRIEAEEAIK 62
Query: 94 NLNGVK 99
LNG K
Sbjct: 63 GLNGQK 68
>gnl|CDD|241062 cd12618, RRM2_TIA1, RNA recognition motif 2 in nucleolysin TIA-1
isoform p40 (p40-TIA-1) and similar proteins. This
subgroup corresponds to the RRM2 of p40-TIA-1, the
40-kDa isoform of T-cell-restricted intracellular
antigen-1 (TIA-1), and a cytotoxic granule-associated
RNA-binding protein mainly found in the granules of
cytotoxic lymphocytes. TIA-1 can be phosphorylated by a
serine/threonine kinase that is activated during
Fas-mediated apoptosis, and function as the granule
component responsible for inducing apoptosis in
cytolytic lymphocyte (CTL) targets. It is composed of
three N-terminal highly homologous RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains), and a glutamine-rich
C-terminal auxiliary domain containing a
lysosome-targeting motif. TIA-1 interacts with RNAs
containing short stretches of uridylates and its RRM2
can mediate the specific binding to uridylate-rich RNAs.
.
Length = 80
Score = 44.7 bits (105), Expect = 9e-07
Identities = 21/73 (28%), Positives = 41/73 (56%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG L +++ D+ F+ +G I + +V+D TGKSKG+ F+ + ++ ++ +
Sbjct: 4 VFVGDLSPEITTDDIKAAFAPFGRISDARVVKDMATGKSKGYGFVSFFNKWDAENAIQQM 63
Query: 96 NGVKVLSRTIRVD 108
G + R IR +
Sbjct: 64 GGQWLGGRQIRTN 76
>gnl|CDD|241022 cd12578, RRM1_hnRNPA_like, RNA recognition motif 1 in
heterogeneous nuclear ribonucleoprotein A subfamily.
This subfamily corresponds to the RRM1 in hnRNP A0,
hnRNP A1, hnRNP A2/B1, hnRNP A3 and similar proteins.
hnRNP A0 is a low abundance hnRNP protein that has been
implicated in mRNA stability in mammalian cells. It has
been identified as the substrate for MAPKAP-K2 and may
be involved in the lipopolysaccharide (LPS)-induced
post-transcriptional regulation of tumor necrosis
factor-alpha (TNF-alpha), cyclooxygenase 2 (COX-2) and
macrophage inflammatory protein 2 (MIP-2). hnRNP A1 is
an abundant eukaryotic nuclear RNA-binding protein that
may modulate splice site selection in pre-mRNA
splicing. hnRNP A2/B1 is an RNA trafficking response
element-binding protein that interacts with the hnRNP
A2 response element (A2RE). Many mRNAs, such as myelin
basic protein (MBP), myelin-associated oligodendrocytic
basic protein (MOBP), carboxyanhydrase II (CAII),
microtubule-associated protein tau, and amyloid
precursor protein (APP) are trafficked by hnRNP A2/B1.
hnRNP A3 is also a RNA trafficking response
element-binding protein that participates in the
trafficking of A2RE-containing RNA. The hnRNP A
subfamily is characterized by two RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains)
or RNPs (ribonucleoprotein domains), followed by a long
glycine-rich region at the C-terminus. .
Length = 78
Score = 44.7 bits (106), Expect = 9e-07
Identities = 19/59 (32%), Positives = 36/59 (61%), Gaps = 4/59 (6%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
+F+GGL Y+ ++ + FSQ+GEI + +++D T +S+GF F+ + ++ VD
Sbjct: 2 LFIGGLSYETTDDSLKNYFSQWGEITDCVVMKDPNTKRSRGFGFVTF----ASASEVDA 56
>gnl|CDD|206064 pfam13893, RRM_5, RNA recognition motif. (a.k.a. RRM, RBD, or RNP
domain). The RRM motif is probably diagnostic of an RNA
binding protein. RRMs are found in a variety of RNA
binding proteins, including various hnRNP proteins,
proteins implicated in regulation of alternative
splicing, and protein components of snRNPs. The motif
also appears in a few single stranded DNA binding
proteins.
Length = 56
Score = 44.0 bits (105), Expect = 9e-07
Identities = 17/56 (30%), Positives = 29/56 (51%), Gaps = 5/56 (8%)
Query: 53 IFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRVD 108
+FS +G + + L++ K GF F+ + + + +V LNGV R +RVD
Sbjct: 4 LFSPFGNVEKIKLLKKK-----PGFAFVEFSTEEAAEKAVQYLNGVLFGGRPLRVD 54
>gnl|CDD|240767 cd12321, RRM1_TDP43, RNA recognition motif 1 in TAR DNA-binding
protein 43 (TDP-43) and similar proteins. This
subfamily corresponds to the RRM1 of TDP-43 (also
termed TARDBP), a ubiquitously expressed pathogenic
protein whose normal function and abnormal aggregation
are directly linked to the genetic disease cystic
fibrosis, and two neurodegenerative disorders:
frontotemporal lobar degeneration (FTLD) and
amyotrophic lateral sclerosis (ALS). TDP-43 binds both
DNA and RNA, and has been implicated in transcriptional
repression, pre-mRNA splicing and translational
regulation. TDP-43 is a dimeric protein with two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
and a C-terminal glycine-rich domain. The RRMs are
responsible for DNA and RNA binding; they bind to TAR
DNA and RNA sequences with UG-repeats. The glycine-rich
domain can interact with the hnRNP family proteins to
form the hnRNP-rich complex involved in splicing
inhibition. It is also essential for the cystic
fibrosis transmembrane conductance regulator (CFTR)
exon 9-skipping activity. .
Length = 77
Score = 44.7 bits (106), Expect = 1e-06
Identities = 22/51 (43%), Positives = 33/51 (64%), Gaps = 3/51 (5%)
Query: 38 VGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFI---CYEDQ 85
V GLP+ +E D+ FS +GE++ + + +D TG+SKGF F+ YEDQ
Sbjct: 4 VLGLPWKTTEQDLKDYFSTFGELLMVQVKKDPKTGQSKGFGFVRFADYEDQ 54
>gnl|CDD|240893 cd12447, RRM1_gar2, RNA recognition motif 1 in yeast protein gar2
and similar proteins. This subfamily corresponds to the
RRM1 of yeast protein gar2, a novel nucleolar protein
required for 18S rRNA and 40S ribosomal subunit
accumulation. It shares similar domain architecture with
nucleolin from vertebrates and NSR1 from Saccharomyces
cerevisiae. The highly phosphorylated N-terminal domain
of gar2 is made up of highly acidic regions separated
from each other by basic sequences, and contains
multiple phosphorylation sites. The central domain of
gar2 contains two closely adjacent N-terminal RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains). The
C-terminal RGG (or GAR) domain of gar2 is rich in
glycine, arginine and phenylalanine residues. .
Length = 76
Score = 44.7 bits (106), Expect = 1e-06
Identities = 19/73 (26%), Positives = 42/73 (57%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG L + + + + F ++G +V ++ D+ TG+S+GF ++ +E +++ +
Sbjct: 2 LFVGNLSWSVDDEWLKAEFEKFGTVVGARVITDRETGRSRGFGYVDFESPEDAKKAIEAM 61
Query: 96 NGVKVLSRTIRVD 108
+G ++ R I VD
Sbjct: 62 DGKELDGRPINVD 74
>gnl|CDD|241061 cd12617, RRM2_TIAR, RNA recognition motif 2 in nucleolysin TIAR and
similar proteins. This subgroup corresponds to the RRM2
of nucleolysin TIAR, also termed TIA-1-related protein,
a cytotoxic granule-associated RNA-binding protein that
shows high sequence similarity with 40-kDa isoform of
T-cell-restricted intracellular antigen-1 (p40-TIA-1).
TIAR is mainly localized in the nucleus of hematopoietic
and nonhematopoietic cells. It is translocated from the
nucleus to the cytoplasm in response to exogenous
triggers of apoptosis. TIAR possesses nucleolytic
activity against cytolytic lymphocyte (CTL) target
cells. It can trigger DNA fragmentation in permeabilized
thymocytes, and thus may function as an effector
responsible for inducing apoptosis. TIAR is composed of
three N-terminal, highly homologous RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains), and a glutamine-rich
C-terminal auxiliary domain containing a
lysosome-targeting motif. It interacts with RNAs
containing short stretches of uridylates and its RRM2
can mediate the specific binding to uridylate-rich RNAs.
.
Length = 80
Score = 44.7 bits (105), Expect = 1e-06
Identities = 21/73 (28%), Positives = 43/73 (58%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG L +++ D+ F+ +G+I + +V+D TGKSKG+ F+ + ++ ++ ++
Sbjct: 4 VFVGDLSPEITTEDIKSAFAPFGKISDARVVKDMATGKSKGYGFVSFYNKLDAENAIVHM 63
Query: 96 NGVKVLSRTIRVD 108
G + R IR +
Sbjct: 64 GGQWLGGRQIRTN 76
>gnl|CDD|240837 cd12391, RRM1_SART3, RNA recognition motif 1 in squamous cell
carcinoma antigen recognized by T-cells 3 (SART3) and
similar proteins. This subfamily corresponds to the
RRM1 of SART3, also termed Tat-interacting protein of
110 kDa (Tip110), an RNA-binding protein expressed in
the nucleus of the majority of proliferating cells,
including normal cells and malignant cells, but not in
normal tissues except for the testes and fetal liver.
It is involved in the regulation of mRNA splicing
probably via its complex formation with RNA-binding
protein with a serine-rich domain (RNPS1), a
pre-mRNA-splicing factor. SART3 has also been
identified as a nuclear Tat-interacting protein that
regulates Tat transactivation activity through direct
interaction and functions as an important cellular
factor for HIV-1 gene expression and viral replication.
In addition, SART3 is required for U6 snRNP targeting
to Cajal bodies. It binds specifically and directly to
the U6 snRNA, interacts transiently with the U6 and
U4/U6 snRNPs, and promotes the reassembly of U4/U6
snRNPs after splicing in vitro. SART3 contains an
N-terminal half-a-tetratricopeptide repeat (HAT)-rich
domain, a nuclearlocalization signal (NLS) domain, and
two C-terminal RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). .
Length = 72
Score = 44.2 bits (105), Expect = 1e-06
Identities = 19/54 (35%), Positives = 35/54 (64%), Gaps = 1/54 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTV 89
+FV L Y + E ++ +FS+ GEI ++ LV++ GKSKG+ ++ +E++ S
Sbjct: 2 VFVSNLDYSVPEDELRKLFSKCGEITDVRLVKNY-KGKSKGYAYVEFENEESVQ 54
>gnl|CDD|241093 cd12649, RRM1_SXL, RNA recognition motif 1 in Drosophila sex-lethal
(SXL) and similar proteins. This subfamily corresponds
to the RRM1 of SXL which governs sexual differentiation
and X chromosome dosage compensation in Drosophila
melanogaster. It induces female-specific alternative
splicing of the transformer (tra) pre-mRNA by binding to
the tra uridine-rich polypyrimidine tract at the
non-sex-specific 3' splice site during the
sex-determination process. SXL binds also to its own
pre-mRNA and promotes female-specific alternative
splicing. SXL contains an N-terminal Gly/Asn-rich domain
that may be responsible for the protein-protein
interaction, and tandem RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), that show high preference
to bind single-stranded, uridine-rich target RNA
transcripts. .
Length = 81
Score = 44.3 bits (105), Expect = 1e-06
Identities = 22/69 (31%), Positives = 39/69 (56%)
Query: 41 LPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKV 100
LP L++ + +F G + N +VRDK TG S GF F+ Y+ ++ LNG+++
Sbjct: 8 LPQTLTDEEFRSLFLAVGPVKNCKIVRDKRTGYSYGFGFVDYQSAEDAQRAIRTLNGLQL 67
Query: 101 LSRTIRVDH 109
++ I+V +
Sbjct: 68 QNKRIKVAY 76
>gnl|CDD|241037 cd12593, RRM_RBM11, RNA recognition motif in vertebrate RNA-binding
protein 11 (RBM11). This subfamily corresponds to the
RRM or RBM11, a novel tissue-specific splicing regulator
that is selectively expressed in brain, cerebellum and
testis, and to a lower extent in kidney. RBM11 is
localized in the nucleoplasm and enriched in
SRSF2-containing splicing speckles. It may play a role
in the modulation of alternative splicing during neuron
and germ cell differentiation. RBM11 contains an
N-terminal RNA recognition motif (RRM), also termed RBD
(RNA binding domain) or RNP (ribonucleoprotein domain),
and a region lacking known homology at the C-terminus.
The RRM of RBM11 is responsible for RNA binding, whereas
the C-terminal region permits nuclear localization and
homodimerization. .
Length = 75
Score = 44.2 bits (104), Expect = 1e-06
Identities = 23/72 (31%), Positives = 40/72 (55%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG L + E + +F Q G + + + +DK GK K F F+C++ S ++ L
Sbjct: 4 LFVGNLECRVREEILYELFLQAGPLTKVTICKDK-EGKPKSFGFVCFKHSESVPYAIALL 62
Query: 96 NGVKVLSRTIRV 107
NG+++ R I+V
Sbjct: 63 NGIRLYGRPIKV 74
>gnl|CDD|240910 cd12464, RRM_G3BP2, RNA recognition motif in ras
GTPase-activating protein-binding protein 2 (G3BP2) and
similar proteins. This subgroup corresponds to the RRM
of G3BP2, also termed GAP SH3 domain-binding protein 2,
a cytoplasmic protein that interacts with both
IkappaBalpha and IkappaBalpha/NF-kappaB complexes,
indicating that G3BP2 may play a role in the control of
nucleocytoplasmic distribution of IkappaBalpha and
cytoplasmic anchoring of the IkappaBalpha/NF-kappaB
complex. G3BP2 contains an N-terminal nuclear transfer
factor 2 (NTF2)-like domain, an acidic domain, a domain
containing five PXXP motifs, an RNA recognition motif
(RRM domain), and an Arg-Gly-rich region (RGG-rich
region, or arginine methylation motif). It binds to the
SH3 domain of RasGAP, a multi-functional protein
controlling Ras activity, through its N-terminal
NTF2-like domain. The acidic domain is sufficient for
the interaction of G3BP2 with the IkappaBalpha
cytoplasmic retention sequence. Furthermore, G3BP2
might influence stability or translational efficiency
of particular mRNAs by binding to RNA-containing
structures within the cytoplasm through its RNA-binding
domain.
Length = 83
Score = 44.6 bits (105), Expect = 1e-06
Identities = 19/56 (33%), Positives = 32/56 (57%)
Query: 29 QYKDSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYED 84
+Y DS +FVG LP+D+ E ++ F +G +V L + + GK F F+ ++D
Sbjct: 1 RYPDSHQLFVGNLPHDIDESELKEFFMSFGNVVELRINTKGVGGKLPNFGFVVFDD 56
>gnl|CDD|241120 cd12676, RRM3_Nop4p, RNA recognition motif 3 in yeast nucleolar
protein 4 (Nop4p) and similar proteins. This subgroup
corresponds to the RRM3 of Nop4p (also known as
Nop77p), encoded by YPL043W from Saccharomyces
cerevisiae. It is an essential nucleolar protein
involved in processing and maturation of 27S pre-rRNA
and biogenesis of 60S ribosomal subunits. Nop4p has
four RNA recognition motifs (RRMs), also termed RBDs
(RNA binding domains) or RNPs (ribonucleoprotein
domains). .
Length = 107
Score = 44.9 bits (106), Expect = 1e-06
Identities = 21/52 (40%), Positives = 33/52 (63%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+FV LPYD +E + FS++G + V DK TG++KG F+C++DQ +
Sbjct: 4 LFVRNLPYDATEESLAPHFSKFGSVRYALPVIDKSTGRAKGTGFVCFKDQYT 55
>gnl|CDD|240900 cd12454, RRM2_RIM4_like, RNA recognition motif 2 in yeast meiotic
activator RIM4 and similar proteins. This subfamily
corresponds to the RRM2 of RIM4, also termed regulator
of IME2 protein 4, a putative RNA binding protein that
is expressed at elevated levels early in meiosis. It
functions as a meiotic activator required for both the
IME1- and IME2-dependent pathways of meiotic gene
expression, as well as early events of meiosis, such as
meiotic division and recombination, in Saccharomyces
cerevisiae. RIM4 contains two RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). The family also includes a
putative RNA-binding protein termed multicopy suppressor
of sporulation protein Msa1. It is a putative
RNA-binding protein encoded by a novel gene, msa1, from
the fission yeast Schizosaccharomyces pombe. Msa1 may be
involved in the inhibition of sexual differentiation by
controlling the expression of Ste11-regulated genes,
possibly through the pheromone-signaling pathway. Like
RIM4, Msa1 also contains two RRMs, both of which are
essential for the function of Msa1. .
Length = 80
Score = 44.2 bits (105), Expect = 1e-06
Identities = 22/76 (28%), Positives = 45/76 (59%), Gaps = 2/76 (2%)
Query: 32 DSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLS 91
D IFVG L D+++ ++ FS++G+I+ +NL+ K + F FI +E +++ +
Sbjct: 2 DKYSIFVGQLSPDVTKEELNERFSRHGKILEVNLI--KRANHTNAFAFIKFEREQAAARA 59
Query: 92 VDNLNGVKVLSRTIRV 107
V++ N + ++T+ V
Sbjct: 60 VESENHSMLKNKTMHV 75
>gnl|CDD|240811 cd12365, RRM_RNPS1, RNA recognition motif in RNA-binding protein
with serine-rich domain 1 (RNPS1) and similar proteins.
This subfamily corresponds to the RRM of RNPS1 and its
eukaryotic homologs. RNPS1, also termed RNA-binding
protein prevalent during the S phase, or SR-related
protein LDC2, was originally characterized as a general
pre-mRNA splicing activator, which activates both
constitutive and alternative splicing of pre-mRNA in
vitro.It has been identified as a protein component of
the splicing-dependent mRNP complex, or exon-exon
junction complex (EJC), and is directly involved in mRNA
surveillance. Furthermore, RNPS1 is a splicing regulator
whose activator function is controlled in part by CK2
(casein kinase II) protein kinase phosphorylation. It
can also function as a squamous-cell carcinoma antigen
recognized by T cells-3 (SART3)-binding protein, and is
involved in the regulation of mRNA splicing. RNPS1
contains an N-terminal serine-rich (S) domain, a central
RNA recognition motif (RRM), also termed RBD (RNA
binding domain) or RNP (ribonucleoprotein domain), and
the C-terminal arginine/serine/proline-rich (RS/P)
domain. .
Length = 73
Score = 44.1 bits (105), Expect = 1e-06
Identities = 11/55 (20%), Positives = 30/55 (54%)
Query: 53 IFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRV 107
IFS YG + +++L D+ +G+ ++ +E ++ +++G ++ + + V
Sbjct: 18 IFSNYGTVKDVDLPIDREVNLPRGYAYVEFESPEDAEKAIKHMDGGQIDGQEVTV 72
>gnl|CDD|241059 cd12615, RRM1_TIA1, RNA recognition motif 1 in nucleolysin TIA-1
isoform p40 (p40-TIA-1) and similar proteins. This
subgroup corresponds to the RRM1 of TIA-1, the 40-kDa
isoform of T-cell-restricted intracellular antigen-1
(TIA-1) and a cytotoxic granule-associated RNA-binding
protein mainly found in the granules of cytotoxic
lymphocytes. TIA-1 can be phosphorylated by a
serine/threonine kinase that is activated during
Fas-mediated apoptosis, and functions as the granule
component responsible for inducing apoptosis in
cytolytic lymphocyte (CTL) targets. It is composed of
three N-terminal highly homologous RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains), and a glutamine-rich
C-terminal auxiliary domain containing a
lysosome-targeting motif. TIA-1 interacts with RNAs
containing short stretches of uridylates and its RRM2
can mediate the specific binding to uridylate-rich RNAs.
.
Length = 74
Score = 43.9 bits (103), Expect = 2e-06
Identities = 19/73 (26%), Positives = 42/73 (57%), Gaps = 2/73 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG L D++E ++ +FSQ G + ++ D T + +CF+ + + R S+ +
Sbjct: 2 LYVGNLSRDVTEALILQLFSQIGPCKSCKMIMD--TAGNDPYCFVEFFEHRHAAASLAAM 59
Query: 96 NGVKVLSRTIRVD 108
NG K++ + ++V+
Sbjct: 60 NGRKIMGKEVKVN 72
>gnl|CDD|241099 cd12655, RRM3_HuC, RNA recognition motif 3 in vertebrate Hu-antigen
C (HuC). This subgroup corresponds to the RRM3 of HuC,
also termed ELAV-like protein 3 (ELAV-3), or
paraneoplastic cerebellar degeneration-associated
antigen, or paraneoplastic limbic encephalitis antigen
21 (PLE21), one of the neuronal members of the Hu
family. The neuronal Hu proteins play important roles in
neuronal differentiation, plasticity and memory. Like
other Hu proteins, HuC contains three RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains). RRM1 and RRM2 may
cooperate in binding to an AU-rich RNA element (ARE).
The AU-rich element binding of HuC can be inhibited by
flavonoids. RRM3 may help to maintain the stability of
the RNA-protein complex, and might also bind to poly(A)
tails or be involved in protein-protein interactions. .
Length = 85
Score = 44.3 bits (104), Expect = 2e-06
Identities = 24/85 (28%), Positives = 44/85 (51%), Gaps = 4/85 (4%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IFV L + E + +F +G + N+ ++RD T K KGF F+ + +++ +L
Sbjct: 4 IFVYNLSPEADESVLWQLFGPFGAVTNVKVIRDFTTNKCKGFGFVTMTNYDEAAMAIASL 63
Query: 96 NGVKVLSRTIRVDHVNDYKPPKDNK 120
NG ++ R ++V +K K +K
Sbjct: 64 NGYRLGDRVLQV----SFKTSKQHK 84
>gnl|CDD|240926 cd12482, RRM1_hnRNPR, RNA recognition motif 1 in vertebrate
heterogeneous nuclear ribonucleoprotein R (hnRNP R).
This subgroup corresponds to the RRM1 of hnRNP R, which
is a ubiquitously expressed nuclear RNA-binding protein
that specifically binds mRNAs with a preference for
poly(U) stretches. Upon binding of RNA, hnRNP R forms
oligomers, most probably dimers. hnRNP R has been
implicated in mRNA processing and mRNA transport, and
also acts as a regulator to modify binding to ribosomes
and RNA translation. It is predominantly located in
axons of motor neurons and to a much lower degree in
sensory axons. In axons of motor neurons, it also
functions as a cytosolic protein and interacts with
wild type of survival motor neuron (SMN) proteins
directly, further providing a molecular link between
SMN and the spliceosome. Moreover, hnRNP R plays an
important role in neural differentiation and
development, and in retinal development and
light-elicited cellular activities. hnRNP R contains an
acidic auxiliary N-terminal region, followed by two
well defined and one degenerated RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and a C-terminal RGG
motif; it binds RNA through its RRM domains. .
Length = 79
Score = 44.2 bits (104), Expect = 2e-06
Identities = 17/47 (36%), Positives = 33/47 (70%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICY 82
+FVG +P DL E +++ +F + G I +L L+ D ++G+++G+ FI +
Sbjct: 4 VFVGKIPRDLYEDELVPLFEKAGPIWDLRLMMDPLSGQNRGYAFITF 50
>gnl|CDD|241052 cd12608, RRM1_CoAA, RNA recognition motif 1 in vertebrate
RRM-containing coactivator activator/modulator (CoAA).
This subgroup corresponds to the RRM1 of CoAA, also
termed RNA-binding protein 14 (RBM14), or paraspeckle
protein 2 (PSP2), or synaptotagmin-interacting protein
(SYT-interacting protein), a heterogeneous nuclear
ribonucleoprotein (hnRNP)-like protein identified as a
nuclear receptor coactivator. It mediates
transcriptional coactivation and RNA splicing effects in
a promoter-preferential manner and is enhanced by
thyroid hormone receptor-binding protein (TRBP). CoAA
contains two N-terminal RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and a TRBP-interacting
domain. It stimulates transcription through its
interactions with coactivators, such as TRBP and
CREB-binding protein CBP/p300, via the TRBP-interacting
domain and interaction with an RNA-containing complex,
such as DNA-dependent protein kinase-poly(ADP-ribose)
polymerase complexes, via the RRMs. .
Length = 69
Score = 43.7 bits (103), Expect = 2e-06
Identities = 18/74 (24%), Positives = 38/74 (51%), Gaps = 8/74 (10%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IFVG + D S+ ++ +F YG +++ ++R F F+ + + +++ L
Sbjct: 3 IFVGNVDEDTSQEELRALFEAYGAVLSCAVMRQ--------FAFVHLRGEAAADRAIEEL 54
Query: 96 NGVKVLSRTIRVDH 109
NG ++ R + V+H
Sbjct: 55 NGRELHGRKLVVEH 68
>gnl|CDD|240778 cd12332, RRM1_p54nrb_like, RNA recognition motif 1 in the
p54nrb/PSF/PSP1 family. This subfamily corresponds to
the RRM1 of the p54nrb/PSF/PSP1 family, including 54 kDa
nuclear RNA- and DNA-binding protein (p54nrb or NonO or
NMT55), polypyrimidine tract-binding protein
(PTB)-associated-splicing factor (PSF or POMp100),
paraspeckle protein 1 (PSP1 or PSPC1), which are
ubiquitously expressed and are conserved in vertebrates.
p54nrb is a multi-functional protein involved in
numerous nuclear processes including transcriptional
regulation, splicing, DNA unwinding, nuclear retention
of hyperedited double-stranded RNA, viral RNA
processing, control of cell proliferation, and circadian
rhythm maintenance. PSF is also a multi-functional
protein that binds RNA, single-stranded DNA (ssDNA),
double-stranded DNA (dsDNA) and many factors, and
mediates diverse activities in the cell. PSP1 is a novel
nucleolar factor that accumulates within a new
nucleoplasmic compartment, termed paraspeckles, and
diffusely distributes in the nucleoplasm. The cellular
function of PSP1 remains unknown currently. This
subfamily also includes some p54nrb/PSF/PSP1 homologs
from invertebrate species, such as the Drosophila
melanogaster gene no-ontransient A (nonA) encoding
puff-specific protein Bj6 (also termed NONA) and
Chironomus tentans hrp65 gene encoding protein Hrp65. D.
melanogaster NONA is involved in eye development and
behavior, and may play a role in circadian rhythm
maintenance, similar to vertebrate p54nrb. C. tentans
Hrp65 is a component of nuclear fibers associated with
ribonucleoprotein particles in transit from the gene to
the nuclear pore. All family members contain a DBHS
domain (for Drosophila behavior, human splicing), which
comprises two conserved RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and a charged
protein-protein interaction module. PSF has an
additional large N-terminal domain that differentiates
it from other family members. .
Length = 71
Score = 43.8 bits (104), Expect = 2e-06
Identities = 26/74 (35%), Positives = 40/74 (54%), Gaps = 10/74 (13%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEI--VNLNLVRDKITGKSKGFCFICYEDQRSTVLSVD 93
+FVG LP D++E + +FS+YGE+ V LN K KGF FI + + + +
Sbjct: 4 LFVGNLPNDITEEEFKELFSKYGEVSEVFLN--------KEKGFGFIRLDTRTNAEKAKA 55
Query: 94 NLNGVKVLSRTIRV 107
L+G+ R +RV
Sbjct: 56 ELDGIMRKGRQLRV 69
>gnl|CDD|240783 cd12337, RRM1_SRSF4_like, RNA recognition motif 1 in
serine/arginine-rich splicing factor 4 (SRSF4) and
similar proteins. This subfamily corresponds to the
RRM1 in three serine/arginine (SR) proteins:
serine/arginine-rich splicing factor 4 (SRSF4 or SRp75
or SFRS4), serine/arginine-rich splicing factor 5 (SRSF5
or SRp40 or SFRS5 or HRS), serine/arginine-rich splicing
factor 6 (SRSF6 or SRp55). SRSF4 plays an important role
in both, constitutive and alternative, splicing of many
pre-mRNAs. It can shuttle between the nucleus and
cytoplasm. SRSF5 regulates both alternative splicing and
basal splicing. It is the only SR protein efficiently
selected from nuclear extracts (NE) by the splicing
enhancer (ESE) and essential for enhancer activation.
SRSF6 preferentially interacts with a number of
purine-rich splicing enhancers (ESEs) to activate
splicing of the ESE-containing exon. It is the only
protein from HeLa nuclear extract or purified SR
proteins that specifically binds B element RNA after UV
irradiation. SRSF6 may also recognize different types of
RNA sites. Members in this family contain two N-terminal
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
followed by a C-terminal RS domains rich in
serine-arginine dipeptides. .
Length = 70
Score = 43.5 bits (103), Expect = 2e-06
Identities = 25/74 (33%), Positives = 36/74 (48%), Gaps = 8/74 (10%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++G LPY E DV F YG I +NL GF F+ +ED R +V L
Sbjct: 2 VYIGRLPYRARERDVERFFKGYGRIREINL--------KNGFGFVEFEDPRDADDAVYEL 53
Query: 96 NGVKVLSRTIRVDH 109
NG ++ + V+H
Sbjct: 54 NGKELCGERVIVEH 67
>gnl|CDD|241219 cd12775, RRM2_HuB, RNA recognition motif 2 in vertebrate
Hu-antigen B (HuB). This subgroup corresponds to the
RRM2 of HuB, also termed ELAV-like protein 2 (ELAV-2),
or ELAV-like neuronal protein 1, or nervous
system-specific RNA-binding protein Hel-N1 (Hel-N1),
one of the neuronal members of the Hu family. The
neuronal Hu proteins play important roles in neuronal
differentiation, plasticity and memory. HuB is also
expressed in gonads. It is up-regulated during neuronal
differentiation of embryonic carcinoma P19 cells. Like
other Hu proteins, HuB contains three RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains)
or RNPs (ribonucleoprotein domains). RRM1 and RRM2 may
cooperate in binding to an AU-rich RNA element (ARE).
RRM3 may help to maintain the stability of the
RNA-protein complex, and might also bind to poly(A)
tails or be involved in protein-protein interactions. .
Length = 90
Score = 44.0 bits (103), Expect = 2e-06
Identities = 22/66 (33%), Positives = 41/66 (62%)
Query: 34 AWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVD 93
A ++V GLP +++ ++ +FSQYG I+ ++ D++TG S+G FI ++ + ++
Sbjct: 6 ANLYVSGLPKTMTQKELEQLFSQYGRIITSRILVDQVTGVSRGVGFIRFDKRIEAEEAIK 65
Query: 94 NLNGVK 99
LNG K
Sbjct: 66 GLNGQK 71
>gnl|CDD|240784 cd12338, RRM1_SRSF1_like, RNA recognition motif 1 in
serine/arginine-rich splicing factor 1 (SRSF1) and
similar proteins. This subgroup corresponds to the RRM1
in three serine/arginine (SR) proteins:
serine/arginine-rich splicing factor 1 (SRSF1 or ASF-1),
serine/arginine-rich splicing factor 9 (SRSF9 or
SRp30C), and plant pre-mRNA-splicing factor SF2 (SR1).
SRSF1 is a shuttling SR protein involved in constitutive
and alternative splicing, nonsense-mediated mRNA decay
(NMD), mRNA export and translation. It also functions as
a splicing-factor oncoprotein that regulates apoptosis
and proliferation to promote mammary epithelial cell
transformation. SRSF9 has been implicated in the
activity of many elements that control splice site
selection, the alternative splicing of the
glucocorticoid receptor beta in neutrophils and in the
gonadotropin-releasing hormone pre-mRNA. It can also
interact with other proteins implicated in alternative
splicing, including YB-1, rSLM-1, rSLM-2, E4-ORF4,
Nop30, and p32. Both, SRSF1 and SRSF9, contain two
N-terminal RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), and a C-terminal RS domains rich in
serine-arginine dipeptides. In contrast, SF2 contains
two N-terminal RRMs and a C-terminal PSK domain rich in
proline, serine and lysine residues. .
Length = 72
Score = 43.1 bits (102), Expect = 3e-06
Identities = 23/73 (31%), Positives = 37/73 (50%), Gaps = 3/73 (4%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
I+VG LP D+ E D+ +F +YG I ++L K + F F+ +ED R +V
Sbjct: 2 IYVGNLPGDIRERDIEDLFYKYGPIKAIDL---KNRRRGPPFAFVEFEDPRDAEDAVRGR 58
Query: 96 NGVKVLSRTIRVD 108
+G +RV+
Sbjct: 59 DGYDFDGYRLRVE 71
>gnl|CDD|241083 cd12639, RRM3_CELF3_4_5_6, RNA recognition motif 2 in CUGBP
Elav-like family member CELF-3, CELF-4, CELF-5, CELF-6
and similar proteins. This subgroup corresponds to the
RRM3 of CELF-3, CELF-4, CELF-5, and CELF-6, all of which
belong to the CUGBP1 and ETR-3-like factors (CELF) or
BRUNOL (Bruno-like) family of RNA-binding proteins that
display dual nuclear and cytoplasmic localizations and
have been implicated in the regulation of pre-mRNA
splicing and in the control of mRNA translation and
deadenylation. CELF-3, expressed in brain and testis
only, is also known as bruno-like protein 1 (BRUNOL-1),
or CAG repeat protein 4, or CUG-BP- and ETR-3-like
factor 3, or embryonic lethal abnormal vision
(ELAV)-type RNA-binding protein 1 (ETR-1), or expanded
repeat domain protein CAG/CTG 4, or trinucleotide
repeat-containing gene 4 protein (TNRC4). It plays an
important role in the pathogenesis of tauopathies.
CELF-3 contains three highly conserved RNA recognition
motifs (RRMs), also known as RBDs (RNA binding domains)
or RNPs (ribonucleoprotein domains): two consecutive
RRMs (RRM1 and RRM2) situated in the N-terminal region
followed by a linker region and the third RRM (RRM3)
close to the C-terminus of the protein.The effect of
CELF-3 on tau splicing is mediated mainly by the
RNA-binding activity of RRM2. The divergent linker
region might mediate the interaction of CELF-3 with
other proteins regulating its activity or involved in
target recognition. CELF-4, highly expressed throughout
the brain and in glandular tissues, moderately expressed
in heart, skeletal muscle, and liver, is also known as
bruno-like protein 4 (BRUNOL-4), or CUG-BP- and
ETR-3-like factor 4. Like CELF-3, CELF-4 also contains
three highly conserved RRMs. The splicing activation or
repression activity of CELF-4 on some specific
substrates is mediated by its RRM1/RRM2. Both, RRM1 and
RRM2 of CELF-4, can activate cardiac troponin T (cTNT)
exon 5 inclusion. CELF-5, expressed in brain, is also
known as bruno-like protein 5 (BRUNOL-5), or CUG-BP- and
ETR-3-like factor 5. Although its biological role
remains unclear, CELF-5 shares same domain architecture
with CELF-3. CELF-6, strongly expressed in kidney,
brain, and testis, is also known as bruno-like protein 6
(BRUNOL-6), or CUG-BP- and ETR-3-like factor 6. It
activates exon inclusion of a cardiac troponin T
minigene in transient transfection assays in an
muscle-specific splicing enhancer (MSE)-dependent manner
and can activate inclusion via multiple copies of a
single element, MSE2. CELF-6 also promotes skipping of
exon 11 of insulin receptor, a known target of CELF
activity that is expressed in kidney. In addition to
three highly conserved RRMs, CELF-6 also possesses
numerous potential phosphorylation sites, a potential
nuclear localization signal (NLS) at the C terminus, and
an alanine-rich region within the divergent linker
region. .
Length = 79
Score = 43.3 bits (102), Expect = 3e-06
Identities = 15/72 (20%), Positives = 42/72 (58%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+F+ LP + + +++ +F +G +++ + D+ T +SK F F+ +++ S ++ +
Sbjct: 7 LFIYHLPQEFGDAELMQMFLPFGNVISAKVFVDRATNQSKCFGFVSFDNPASAQAAIQAM 66
Query: 96 NGVKVLSRTIRV 107
NG ++ + ++V
Sbjct: 67 NGFQIGMKRLKV 78
>gnl|CDD|240798 cd12352, RRM1_TIA1_like, RNA recognition motif 1 in
granule-associated RNA binding proteins p40-TIA-1 and
TIAR. This subfamily corresponds to the RRM1 of
nucleolysin TIA-1 isoform p40 (p40-TIA-1 or TIA-1) and
nucleolysin TIA-1-related protein (TIAR), both of which
are granule-associated RNA binding proteins involved in
inducing apoptosis in cytotoxic lymphocyte (CTL) target
cells. TIA-1 and TIAR share high sequence similarity.
They are expressed in a wide variety of cell types.
TIA-1 can be phosphorylated by a serine/threonine kinase
that is activated during Fas-mediated apoptosis.TIAR is
mainly localized in the nucleus of hematopoietic and
nonhematopoietic cells. It is translocated from the
nucleus to the cytoplasm in response to exogenous
triggers of apoptosis. Both, TIA-1 and TIAR, bind
specifically to poly(A) but not to poly(C) homopolymers.
They are composed of three N-terminal highly homologous
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
and a glutamine-rich C-terminal auxiliary domain
containing a lysosome-targeting motif. TIA-1 and TIAR
interact with RNAs containing short stretches of
uridylates and their RRM2 can mediate the specific
binding to uridylate-rich RNAs. The C-terminal auxiliary
domain may be responsible for interacting with other
proteins. In addition, TIA-1 and TIAR share a potential
serine protease-cleavage site (Phe-Val-Arg) localized at
the junction between their RNA binding domains and their
C-terminal auxiliary domains.
Length = 72
Score = 43.1 bits (102), Expect = 3e-06
Identities = 21/72 (29%), Positives = 39/72 (54%), Gaps = 3/72 (4%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG L ++E + +FSQ G I + L+R+ + + F+ Y D RS ++ +
Sbjct: 1 LYVGNLDRTVTEDLLAELFSQIGPIKSCKLIREH---GNDPYAFVEYYDHRSAAAALQTM 57
Query: 96 NGVKVLSRTIRV 107
NG +L + I+V
Sbjct: 58 NGRLILGQEIKV 69
>gnl|CDD|240928 cd12484, RRM1_RBM46, RNA recognition motif 1 found in vertebrate
RNA-binding protein 46 (RBM46). This subgroup
corresponds to the RRM1 of RBM46, also termed
cancer/testis antigen 68 (CT68), a putative RNA-binding
protein that shows high sequence homology with
heterogeneous nuclear ribonucleoprotein R (hnRNP R) and
heterogeneous nuclear ribonucleoprotein Q (hnRNP Q). Its
biological function remains unclear. Like hnRNP R and
hnRNP Q, RBM46 contains two well-defined and one
degenerated RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains). .
Length = 78
Score = 43.0 bits (101), Expect = 3e-06
Identities = 17/65 (26%), Positives = 39/65 (60%), Gaps = 1/65 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG +P D+ E +++ +F + G+I L+ + +G+++G+ F+ Y + L++ L
Sbjct: 4 VFVGKIPRDMYEDELVPLFERAGKIYEFRLMME-FSGENRGYAFVMYTTKEEAQLAIRIL 62
Query: 96 NGVKV 100
N ++
Sbjct: 63 NNYEI 67
>gnl|CDD|240829 cd12383, RRM_RBM42, RNA recognition motif in RNA-binding protein 42
(RBM42) and similar proteins. This subfamily
corresponds to the RRM of RBM42 which has been
identified as a heterogeneous nuclear ribonucleoprotein
K (hnRNP K)-binding protein. It also directly binds the
3' untranslated region of p21 mRNA that is one of the
target mRNAs for hnRNP K. Both, hnRNP K and RBM42, are
components of stress granules (SGs). Under nonstress
conditions, RBM42 predominantly localizes within the
nucleus and co-localizes with hnRNP K. Under stress
conditions, hnRNP K and RBM42 form cytoplasmic foci
where the SG marker TIAR localizes, and may play a role
in the maintenance of cellular ATP level by protecting
their target mRNAs. RBM42 contains an RNA recognition
motif (RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain). .
Length = 83
Score = 43.0 bits (102), Expect = 4e-06
Identities = 25/72 (34%), Positives = 42/72 (58%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IFVG L ++++ + FS+Y +VRDK TGKSKG+ F+ + D + ++ +
Sbjct: 9 IFVGDLGNEVTDEVLARAFSKYPSFQKAKVVRDKRTGKSKGYGFVSFSDPNDYLKAMKEM 68
Query: 96 NGVKVLSRTIRV 107
NG V +R I++
Sbjct: 69 NGKYVGNRPIKL 80
>gnl|CDD|241201 cd12757, RRM1_hnRNPAB, RNA recognition motif 1 in heterogeneous
nuclear ribonucleoprotein A/B (hnRNP A/B) and similar
proteins. This subgroup corresponds to the RRM1 of
hnRNP A/B, also termed APOBEC1-binding protein 1
(ABBP-1), which is an RNA unwinding protein with a high
affinity for G- followed by U-rich regions. hnRNP A/B
has also been identified as an APOBEC1-binding protein
that interacts with apolipoprotein B (apoB) mRNA
transcripts around the editing site and thus plays an
important role in apoB mRNA editing. hnRNP A/B contains
two RNA recognition motifs (RRMs), also termed RBDs
(RNA binding domains) or RNPs (ribonucleoprotein
domains), followed by a long C-terminal glycine-rich
domain that contains a potential ATP/GTP binding loop.
.
Length = 75
Score = 43.1 bits (101), Expect = 4e-06
Identities = 21/52 (40%), Positives = 35/52 (67%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+FVGGL +D S+ D+ F+++GE+ + + D TG+S+GF FI ++D S
Sbjct: 2 MFVGGLSWDTSKKDLKDYFTKFGEVTDCTIKMDPNTGRSRGFGFILFKDASS 53
>gnl|CDD|241063 cd12619, RRM2_PUB1, RNA recognition motif 2 in yeast nuclear and
cytoplasmic polyadenylated RNA-binding protein PUB1 and
similar proteins. This subgroup corresponds to the RRM2
of yeast protein PUB1, also termed ARS consensus-binding
protein ACBP-60, or poly uridylate-binding protein, or
poly(U)-binding protein. PUB1 has been identified as
both, a heterogeneous nuclear RNA-binding protein
(hnRNP) and a cytoplasmic mRNA-binding protein (mRNP),
which may be stably bound to a translationally inactive
subpopulation of mRNAs within the cytoplasm. It is
distributed in both, the nucleus and the cytoplasm, and
binds to poly(A)+ RNA (mRNA or pre-mRNA). Although it is
one of the major cellular proteins cross-linked by UV
light to polyadenylated RNAs in vivo, PUB1 is
nonessential for cell growth in yeast. PUB1 also binds
to T-rich single stranded DNA (ssDNA). However, there is
no strong evidence implicating PUB1 in the mechanism of
DNA replication. PUB1 contains three RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains), and a GAR motif
(glycine and arginine rich stretch) that is located
between RRM2 and RRM3. .
Length = 75
Score = 42.9 bits (101), Expect = 4e-06
Identities = 19/73 (26%), Positives = 41/73 (56%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IFVG L ++++ + FS + + ++ D +G+S+G+ F+ + Q+ +++ +
Sbjct: 2 IFVGDLSPEVTDATLFAAFSAFPSCSDARVMWDMKSGRSRGYGFVSFRSQQDAENAINEM 61
Query: 96 NGVKVLSRTIRVD 108
NG + SR IR +
Sbjct: 62 NGKWLGSRPIRCN 74
>gnl|CDD|241100 cd12656, RRM3_HuD, RNA recognition motif 3 in vertebrate Hu-antigen
D (HuD). This subgroup corresponds to the RRM3 of HuD,
also termed ELAV-like protein 4 (ELAV-4), or
paraneoplastic encephalomyelitis antigen HuD, one of the
neuronal members of the Hu family. The neuronal Hu
proteins play important roles in neuronal
differentiation, plasticity and memory. HuD has been
implicated in various aspects of neuronal function, such
as the commitment and differentiation of neuronal
precursors as well as synaptic remodeling in mature
neurons. HuD also functions as an important regulator of
mRNA expression in neurons by interacting with AU-rich
RNA element (ARE) and stabilizing multiple transcripts.
Moreover, HuD regulates the nuclear processing/stability
of N-myc pre-mRNA in neuroblastoma cells. And it also
regulates the neurite elongation and morphological
differentiation. HuD specifically bound poly(A) RNA.
Like other Hu proteins, HuD contains three RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains). RRM1 and
RRM2 may cooperate in binding to an ARE. RRM3 may help
to maintain the stability of the RNA-protein complex,
and might also bind to poly(A) tails or be involved in
protein-protein interactions. .
Length = 86
Score = 43.2 bits (101), Expect = 5e-06
Identities = 23/76 (30%), Positives = 41/76 (53%), Gaps = 1/76 (1%)
Query: 33 SAW-IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLS 91
+ W IFV L D E + +F +G + N+ ++RD T K KGF F+ + ++
Sbjct: 2 TGWCIFVYNLSPDSDESVLWQLFGPFGAVNNVKVIRDFNTNKCKGFGFVTMTNYDEAAMA 61
Query: 92 VDNLNGVKVLSRTIRV 107
+ +LNG ++ R ++V
Sbjct: 62 IASLNGYRLGDRVLQV 77
>gnl|CDD|240812 cd12366, RRM1_RBM45, RNA recognition motif 1 in RNA-binding protein
45 (RBM45) and similar proteins. This subfamily
corresponds to the RRM1 of RBM45, also termed
developmentally-regulated RNA-binding protein 1 (DRB1),
a new member of RNA recognition motif (RRM)-type neural
RNA-binding proteins, which expresses under
spatiotemporal control. It is encoded by gene drb1 that
is expressed in neurons, not in glial cells. RBM45
predominantly localizes in cytoplasm of cultured cells
and specifically binds to poly(C) RNA. It could play an
important role during neurogenesis. RBM45 carries four
RRMs, also known as RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). .
Length = 81
Score = 42.7 bits (101), Expect = 5e-06
Identities = 17/57 (29%), Positives = 34/57 (59%), Gaps = 4/57 (7%)
Query: 54 FSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLS---RTIRV 107
F+ +GEI ++ +V+DK T +SKG ++ + S +++ +NG K L + ++V
Sbjct: 23 FAPFGEIQDIWVVKDKQTKESKGVAYVKFAKASSAARAMEEMNG-KCLGGDTKPLKV 78
>gnl|CDD|240927 cd12483, RRM1_hnRNPQ, RNA recognition motif 1 in vertebrate
heterogeneous nuclear ribonucleoprotein Q (hnRNP Q).
This subgroup corresponds to the RRM1 of hnRNP Q, also
termed glycine- and tyrosine-rich RNA-binding protein
(GRY-RBP), or NS1-associated protein 1 (NASP1), or
synaptotagmin-binding, cytoplasmic RNA-interacting
protein (SYNCRIP). It is a ubiquitously expressed
nuclear RNA-binding protein identified as a component
of the spliceosome complex, as well as a component of
the apobec-1 editosome. As an alternatively spliced
version of NSAP, it acts as an interaction partner of a
multifunctional protein required for viral replication,
and is implicated in the regulation of specific mRNA
transport. hnRNP Q has also been identified as SYNCRIP,
a dual functional protein participating in both viral
RNA replication and translation. As a
synaptotagmin-binding protein, hnRNP Q plays a putative
role in organelle-based mRNA transport along the
cytoskeleton. Moreover, hnRNP Q has been found in
protein complexes involved in translationally coupled
mRNA turnover and mRNA splicing. It functions as a
wild-type survival motor neuron (SMN)-binding protein
that may participate in pre-mRNA splicing and modulate
mRNA transport along microtubuli. hnRNP Q contains an
acidic auxiliary N-terminal region, followed by two
well-defined and one degenerated RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and a C-terminal RGG
motif; hnRNP Q binds RNA through its RRM domains.
Length = 79
Score = 42.7 bits (100), Expect = 5e-06
Identities = 18/47 (38%), Positives = 32/47 (68%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICY 82
IFVG +P DL E +++ +F + G I +L L+ D +TG ++G+ F+ +
Sbjct: 4 IFVGKIPRDLFEDELVPLFEKAGPIWDLRLMMDPLTGLNRGYAFVTF 50
>gnl|CDD|240769 cd12323, RRM2_MSI, RNA recognition motif 2 in RNA-binding protein
Musashi homologs Musashi-1, Musashi-2 and similar
proteins. This subfamily corresponds to the RRM2.in
Musashi-1 (also termed Msi1), a neural RNA-binding
protein putatively expressed in central nervous system
(CNS) stem cells and neural progenitor cells, and
associated with asymmetric divisions in neural
progenitor cells. It is evolutionarily conserved from
invertebrates to vertebrates. Musashi-1 is a homolog of
Drosophila Musashi and Xenopus laevis nervous
system-specific RNP protein-1 (Nrp-1). It has been
implicated in the maintenance of the stem-cell state,
differentiation, and tumorigenesis. It translationally
regulates the expression of a mammalian numb gene by
binding to the 3'-untranslated region of mRNA of Numb,
encoding a membrane-associated inhibitor of Notch
signaling, and further influences neural development.
Moreover, Musashi-1 represses translation by
interacting with the poly(A)-binding protein and
competes for binding of the eukaryotic initiation
factor-4G (eIF-4G). Musashi-2 (also termed Msi2) has
been identified as a regulator of the hematopoietic
stem cell (HSC) compartment and of leukemic stem cells
after transplantation of cells with loss and gain of
function of the gene. It influences proliferation and
differentiation of HSCs and myeloid progenitors, and
further modulates normal hematopoiesis and promotes
aggressive myeloid leukemia. Both, Musashi-1 and
Musashi-2, contain two conserved N-terminal tandem RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
along with other domains of unknown function. .
Length = 74
Score = 42.4 bits (100), Expect = 5e-06
Identities = 21/48 (43%), Positives = 32/48 (66%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYE 83
IFVGGL + +E DV FSQ+G++ + L+ DK T + +GF F+ +E
Sbjct: 2 IFVGGLSANTTEDDVKKYFSQFGKVEDAMLMFDKQTNRHRGFGFVTFE 49
>gnl|CDD|241084 cd12640, RRM3_Bruno_like, RNA recognition motif 3 in Drosophila
melanogaster Bruno protein and similar proteins. This
subgroup corresponds to the RRM3 of Bruno protein, a
Drosophila RNA recognition motif (RRM)-containing
protein that plays a central role in regulation of Oskar
(Osk) expression. It mediates repression by binding to
regulatory Bruno response elements (BREs) in the Osk
mRNA 3' UTR. The full-length Bruno protein contains
three RRMs, two located in the N-terminal half of the
protein and the third near the C-terminus, separated by
a linker region. .
Length = 79
Score = 42.7 bits (100), Expect = 5e-06
Identities = 18/72 (25%), Positives = 41/72 (56%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+F+ LP + ++ D+ F +G +++ + DK T SK F F+ Y++ S ++ +
Sbjct: 7 LFIYHLPQEFTDTDLAQTFLPFGNVISAKVFIDKQTNLSKCFGFVSYDNPDSAQAAIQAM 66
Query: 96 NGVKVLSRTIRV 107
NG ++ ++ ++V
Sbjct: 67 NGFQIGTKRLKV 78
>gnl|CDD|241117 cd12673, RRM_BOULE, RNA recognition motif in protein BOULE. This
subgroup corresponds to the RRM of BOULE, the founder
member of the human DAZ gene family. Invertebrates
contain a single BOULE, while vertebrates, other than
catarrhine primates, possess both BOULE and DAZL genes.
The catarrhine primates possess BOULE, DAZL, and DAZ
genes. BOULE encodes an RNA-binding protein containing
an RNA recognition motif (RRM), also known as RBD (RNA
binding domain) or RNP (ribonucleoprotein domain), and
a single copy of the DAZ motif. Although its specific
biochemical functions remains to be investigated, BOULE
protein may interact with poly(A)-binding proteins
(PABPs), and act as translational activators of
specific mRNAs during gametogenesis. .
Length = 81
Score = 42.5 bits (100), Expect = 6e-06
Identities = 21/54 (38%), Positives = 32/54 (59%), Gaps = 1/54 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTV 89
IFVGG+ + +E D+ FSQYG + + +V D+ G SKG+ F+ +E Q
Sbjct: 5 IFVGGIDFKTNENDLRKFFSQYGTVKEVKIVNDR-AGVSKGYGFVTFETQEDAQ 57
>gnl|CDD|240929 cd12485, RRM1_RBM47, RNA recognition motif 1 found in vertebrate
RNA-binding protein 47 (RBM47). This subgroup
corresponds to the RRM1 of RBM47, a putative RNA-binding
protein that shows high sequence homology with
heterogeneous nuclear ribonucleoprotein R (hnRNP R) and
heterogeneous nuclear ribonucleoprotein Q (hnRNP Q). Its
biological function remains unclear. Like hnRNP R and
hnRNP Q, RBM47 contains two well-defined and one
degenerated RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains). .
Length = 78
Score = 42.3 bits (99), Expect = 6e-06
Identities = 19/65 (29%), Positives = 36/65 (55%), Gaps = 1/65 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG +P D+ E +++ +F G I + L+ D GK++G+ F+ Y + +V L
Sbjct: 4 VFVGKIPRDVYEDELVPVFESVGRIYEMRLMMD-FDGKNRGYAFVMYTQKHEAKRAVREL 62
Query: 96 NGVKV 100
N ++
Sbjct: 63 NNYEI 67
>gnl|CDD|240864 cd12418, RRM_Aly_REF_like, RNA recognition motif in the Aly/REF
family. This subfamily corresponds to the RRM of
Aly/REF family which includes THO complex subunit 4
(THOC4, also termed Aly/REF), S6K1 Aly/REF-like target
(SKAR, also termed PDIP3 or PDIP46) and similar
proteins. THOC4 is an mRNA transporter protein with a
well conserved RNA recognition motif (RRM), also termed
RBD (RNA binding domain) or RNP (ribonucleoprotein
domain). It is involved in RNA transportation from the
nucleus, and was initially identified as a transcription
coactivator of LEF-1 and AML-1 for the TCRalpha enhancer
function. In addition, THOC4 specifically binds to
rhesus (RH) promoter in erythroid, and might be a novel
transcription cofactor for erythroid-specific genes.
SKAR shows high sequence homology with THOC4 and
possesses one RRM as well. SKAR is widely expressed and
localizes to the nucleus. It may be a critical player in
the function of S6K1 in cell and organism growth control
by binding the activated, hyperphosphorylated form of
S6K1 but not S6K2. Furthermore, SKAR functions as a
protein partner of the p50 subunit of DNA polymerase
delta. In addition, SKAR may have particular importance
in pancreatic beta cell size determination and insulin
secretion. .
Length = 75
Score = 41.8 bits (99), Expect = 8e-06
Identities = 18/72 (25%), Positives = 40/72 (55%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+ V L YD++E D+ +F + GE+ + + D+ +G+S+G + +E + ++
Sbjct: 3 LRVSNLHYDVTEEDLEELFGRVGEVKKVKINYDR-SGRSEGTADVVFEKREDAERAIKQF 61
Query: 96 NGVKVLSRTIRV 107
NGV + + ++V
Sbjct: 62 NGVLLDGQPMQV 73
>gnl|CDD|240848 cd12402, RRM_eIF4B, RNA recognition motif in eukaryotic translation
initiation factor 4B (eIF-4B) and similar proteins.
This subfamily corresponds to the RRM of eIF-4B, a
multi-domain RNA-binding protein that has been primarily
implicated in promoting the binding of 40S ribosomal
subunits to mRNA during translation initiation. It
contains two RNA-binding domains; the N-terminal
well-conserved RNA recognition motif (RRM), also termed
RBD (RNA binding domain) or RNP (ribonucleoprotein
domain), binds the 18S rRNA of the 40S ribosomal subunit
and the C-terminal basic domain (BD), including two
arginine-rich motifs (ARMs), binds mRNA during
initiation, and is primarily responsible for the
stimulation of the helicase activity of eIF-4A. eIF-4B
also contains a DRYG domain (a region rich in Asp, Arg,
Tyr, and Gly amino acids) in the middle, which is
responsible for both, self-association of eIF-4B and
binding to the p170 subunit of eIF3. Additional research
indicates that eIF-4B can interact with the poly(A)
binding protein (PABP) in mammalian cells, which can
stimulate both, the eIF-4B-mediated activation of the
helicase activity of eIF-4A and binding of poly(A) by
PABP. eIF-4B has also been shown to interact
specifically with the internal ribosome entry sites
(IRES) of several picornaviruses which facilitate
cap-independent translation initiation. .
Length = 77
Score = 42.0 bits (99), Expect = 9e-06
Identities = 24/76 (31%), Positives = 43/76 (56%), Gaps = 9/76 (11%)
Query: 37 FVGGLPYDLSEGDVICIFSQYGEIVNLNLVR----DKITGKSKGFCFICYEDQRSTVLSV 92
++G LPYD++E D+ ++ +N++ VR G+ +GF + +ED R ++L
Sbjct: 5 YLGNLPYDVTEEDI----KEFFRGLNVSSVRLPREPGDPGRLRGFGYAEFED-RDSLLQA 59
Query: 93 DNLNGVKVLSRTIRVD 108
+LN + +R IRVD
Sbjct: 60 LSLNDESLKNRRIRVD 75
>gnl|CDD|240758 cd12312, RRM_SRSF10_SRSF12, RNA recognition motif in
serine/arginine-rich splicing factor SRSF10, SRSF12 and
similar proteins. This subfamily corresponds to the RRM
of SRSF10 and SRSF12. SRSF10, also termed 40 kDa
SR-repressor protein (SRrp40), or FUS-interacting
serine-arginine-rich protein 1 (FUSIP1), or splicing
factor SRp38, or splicing factor, arginine/serine-rich
13A (SFRS13A), or TLS-associated protein with Ser-Arg
repeats (TASR). It is a serine-arginine (SR) protein
that acts as a potent and general splicing repressor
when dephosphorylated. It mediates global inhibition of
splicing both in M phase of the cell cycle and in
response to heat shock. SRSF10 emerges as a modulator of
cholesterol homeostasis through the regulation of
low-density lipoprotein receptor (LDLR) splicing
efficiency. It also regulates cardiac-specific
alternative splicing of triadin pre-mRNA and is required
for proper Ca2+ handling during embryonic heart
development. In contrast, the phosphorylated SRSF10
functions as a sequence-specific splicing activator in
the presence of a nuclear cofactor. It activates distal
alternative 5' splice site of adenovirus E1A pre-mRNA in
vivo. Moreover, SRSF10 strengthens pre-mRNA recognition
by U1 and U2 snRNPs. SRSF10 localizes to the nuclear
speckles and can shuttle between nucleus and cytoplasm.
SRSF12, also termed 35 kDa SR repressor protein
(SRrp35), or splicing factor, arginine/serine-rich 13B
(SFRS13B), or splicing factor, arginine/serine-rich 19
(SFRS19), is a serine/arginine (SR) protein-like
alternative splicing regulator that antagonizes
authentic SR proteins in the modulation of alternative
5' splice site choice. For instance, it activates distal
alternative 5' splice site of the adenovirus E1A
pre-mRNA in vivo. Both, SRSF10 and SRSF12, contain a
single N-terminal RNA recognition motif (RRM), also
termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), followed by a C-terminal RS
domain rich in serine-arginine dipeptides. .
Length = 84
Score = 42.0 bits (99), Expect = 1e-05
Identities = 18/73 (24%), Positives = 37/73 (50%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V + D+ +F +YG IV++ + D T + +GF ++ +ED R ++ L
Sbjct: 3 LYVRNVADATRPDDLRRLFGKYGPIVDVYIPLDFYTRRPRGFAYVQFEDVRDAEDALYYL 62
Query: 96 NGVKVLSRTIRVD 108
+ + L R I +
Sbjct: 63 DRTRFLGREIEIQ 75
>gnl|CDD|241026 cd12582, RRM2_hnRNPA3, RNA recognition motif 2 in heterogeneous
nuclear ribonucleoprotein A3 (hnRNP A3) and similar
proteins. This subgroup corresponds to the RRM2 of
hnRNP A3, a novel RNA trafficking response
element-binding protein that interacts with the hnRNP
A2 response element (A2RE) independently of hnRNP A2
and participates in the trafficking of A2RE-containing
RNA. hnRNP A3 can shuttle between the nucleus and the
cytoplasm. It contains two RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), followed by a long
glycine-rich region at the C-terminus. .
Length = 80
Score = 41.9 bits (98), Expect = 1e-05
Identities = 18/50 (36%), Positives = 31/50 (62%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ 85
IFVGG+ D E + F +YG+I + ++ D+ +GK +GF F+ ++D
Sbjct: 3 IFVGGIKEDTEEYHLRDYFEKYGKIETIEVMEDRQSGKKRGFAFVTFDDH 52
>gnl|CDD|241024 cd12580, RRM2_hnRNPA1, RNA recognition motif 2 in heterogeneous
nuclear ribonucleoprotein A1 (hnRNP A1) and similar
proteins. This subgroup corresponds to the RRM2 of
hnRNP A1, also termed helix-destabilizing protein, or
single-strand RNA-binding protein, or hnRNP core
protein A1, an abundant eukaryotic nuclear RNA-binding
protein that may modulate splice site selection in
pre-mRNA splicing. hnRNP A1 has been characterized as a
splicing silencer, often acting in opposition to an
activating hnRNP H. It silences exons when bound to
exonic elements in the alternatively spliced
transcripts of c-src, HIV, GRIN1, and beta-tropomyosin.
hnRNP A1 can shuttle between the nucleus and the
cytoplasm. Thus, it may be involved in transport of
cellular RNAs, including the packaging of pre-mRNA into
hnRNP particles and transport of poly A+ mRNA from the
nucleus to the cytoplasm. The cytoplasmic hnRNP A1 has
high affinity with AU-rich elements, whereas the
nuclear hnRNP A1 has high affinity with a
polypyrimidine stretch bordered by AG at the 3' ends of
introns. hnRNP A1 is also involved in the replication
of an RNA virus, such as mouse hepatitis virus (MHV),
through an interaction with the
transcription-regulatory region of viral RNA. Moreover,
hnRNP A1, together with the scaffold protein septin 6,
serves as host proteins to form a complex with NS5b and
viral RNA, and further play important roles in the
replication of Hepatitis C virus (HCV). hnRNP A1
contains two RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), followed by a long glycine-rich region at the
C-terminus. The RRMs of hnRNP A1 play an important role
in silencing the exon and the glycine-rich domain is
responsible for protein-protein interactions. .
Length = 77
Score = 41.5 bits (97), Expect = 1e-05
Identities = 20/52 (38%), Positives = 32/52 (61%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
IFVGG+ D E + F QYG+I + ++ D+ +GK +GF F+ ++D S
Sbjct: 3 IFVGGIKEDTEEHHLRDYFEQYGKIEVIEIMTDRGSGKKRGFAFVTFDDHDS 54
>gnl|CDD|240968 cd12524, RRM1_MEI2_like, RNA recognition motif 1 in plant Mei2-like
proteins. This subgroup corresponds to the RRM1 of
Mei2-like proteins that represent an ancient eukaryotic
RNA-binding proteins family. Their corresponding
Mei2-like genes appear to have arisen early in eukaryote
evolution, been lost from some lineages such as
Saccharomyces cerevisiae and metazoans, and diversified
in the plant lineage. The plant Mei2-like genes may
function in cell fate specification during development,
rather than as stimulators of meiosis. Members in this
family contain three RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). The C-terminal RRM (RRM3)
is unique to Mei2-like proteins and it is highly
conserved between plants and fungi. Up to date, the
intracellular localization, RNA target(s), cellular
interactions and phosphorylation states of Mei2-like
proteins in plants remain unclear. .
Length = 77
Score = 41.5 bits (98), Expect = 2e-05
Identities = 20/83 (24%), Positives = 39/83 (46%), Gaps = 9/83 (10%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FV + ++ + ++ +F Q+G+I L K +GF + Y D R+ + L
Sbjct: 4 LFVRNINSNVEDEELRALFEQFGDIRTLYT-----ACKHRGFIMVSYYDIRAARRAKRAL 58
Query: 96 NGVKVLSRTIRVDHVNDYKPPKD 118
G ++ R + + H + PKD
Sbjct: 59 QGTELGGRKLDI-H---FSIPKD 77
>gnl|CDD|240787 cd12341, RRM_hnRNPC_like, RNA recognition motif in heterogeneous
nuclear ribonucleoprotein C (hnRNP C)-related proteins.
This subfamily corresponds to the RRM in the hnRNP
C-related protein family, including hnRNP C proteins,
Raly, and Raly-like protein (RALYL). hnRNP C proteins,
C1 and C2, are produced by a single coding sequence.
They are the major constituents of the heterogeneous
nuclear RNA (hnRNA) ribonucleoprotein (hnRNP) complex in
vertebrates. They bind hnRNA tightly, suggesting a
central role in the formation of the ubiquitous hnRNP
complex; they are involved in the packaging of the hnRNA
in the nucleus and in processing of pre-mRNA such as
splicing and 3'-end formation. Raly, also termed
autoantigen p542, is an RNA-binding protein that may
play a critical role in embryonic development. The
biological role of RALYL remains unclear. It shows high
sequence homology with hnRNP C proteins and Raly.
Members of this family are characterized by an
N-terminal RNA recognition motif (RRM), also termed RBD
(RNA binding domain) or RNP (ribonucleoprotein domain),
and a C-terminal auxiliary domain. The Raly proteins
contain a glycine/serine-rich stretch within the
C-terminal regions, which is absent in the hnRNP C
proteins. Thus, the Raly proteins represent a newly
identified class of evolutionarily conserved
autoepitopes. .
Length = 68
Score = 41.1 bits (97), Expect = 2e-05
Identities = 20/71 (28%), Positives = 40/71 (56%), Gaps = 9/71 (12%)
Query: 36 IFVGGLPYD-LSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
+FVG L D +S+ D+ IFS+YG+I+ ++L KG+ F+ ++++ +V
Sbjct: 3 VFVGNLNTDKVSKEDLEEIFSKYGKILGISL--------HKGYGFVQFDNEEDARAAVAG 54
Query: 95 LNGVKVLSRTI 105
NG ++ + +
Sbjct: 55 ENGREIAGQKL 65
>gnl|CDD|240719 cd12273, RRM1_NEFsp, RNA recognition motif 1 in vertebrate putative
RNA exonuclease NEF-sp. This subfamily corresponds to
the RRM1 of NEF-sp., including uncharacterized putative
RNA exonuclease NEF-sp found in vertebrates. Although
its cellular functions remains unclear, NEF-sp contains
an exonuclease domain and two RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), suggesting it may possess
both exonuclease and RNA-binding activities. .
Length = 71
Score = 40.9 bits (96), Expect = 2e-05
Identities = 16/72 (22%), Positives = 31/72 (43%), Gaps = 4/72 (5%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++ G P DV +F G + + ++ + FI +E+ + L+++ L
Sbjct: 2 VYAGPFPTSFCLSDVKRLFETCGPVRKVTMLSRTVQP----HAFITFENLEAAQLAIETL 57
Query: 96 NGVKVLSRTIRV 107
NG V I+V
Sbjct: 58 NGASVDGNCIKV 69
>gnl|CDD|240749 cd12303, RRM_spSet1p_like, RNA recognition motif in fission yeast
Schizosaccharomyces pombe SET domain-containing protein
1 (spSet1p) and similar proteins. This subfamily
corresponds to the RRM of spSet1p, also termed H3
lysine-4 specific histone-lysine N-methyltransferase, or
COMPASS component SET1, or lysine N-methyltransferase 2,
or Set1 complex component, is encoded by SET1 from the
fission yeast S. pombe. It is essential for the H3
lysine-4 methylation. in vivo, and plays an important
role in telomere maintenance and DNA repair in an ATM
kinase Rad3-dependent pathway. spSet1p is the homology
counterpart of Saccharomyces cerevisiae Set1p (scSet1p).
However, it is more closely related to Set1 found in
mammalian. Moreover, unlike scSet1p, spSet1p is not
required for heterochromatin assembly in fission yeast.
spSet1p contains an N-terminal RNA recognition motif
(RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), followed by a conserved SET
domain that may play a role in DNA repair and telomere
function. .
Length = 86
Score = 40.8 bits (96), Expect = 3e-05
Identities = 21/81 (25%), Positives = 34/81 (41%), Gaps = 8/81 (9%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLS---- 91
I + GL + + F +GEI L D TG+S G C + + +
Sbjct: 1 ILITGLSPLTTPKQIRMHFRPFGEIEESELKLDPRTGQSLGICRVTFRGDPLRPSAAHEA 60
Query: 92 ----VDNLNGVKVLSRTIRVD 108
VD LNG ++ + +RV+
Sbjct: 61 AKAAVDGLNGRRIGGKRVRVE 81
>gnl|CDD|240675 cd12229, RRM_G3BP, RNA recognition motif (RRM) in ras
GTPase-activating protein-binding protein G3BP1, G3BP2
and similar proteins. This subfamily corresponds to
the RRM domain in the G3BP family of RNA-binding and
SH3 domain-binding proteins. G3BP acts at the level of
RNA metabolism in response to cell signaling, possibly
as RNA transcript stabilizing factors or an RNase.
Members include G3BP1, G3BP2 and similar proteins.
These proteins associate directly with the SH3 domain
of GTPase-activating protein (GAP), which functions as
an inhibitor of Ras. They all contain an N-terminal
nuclear transfer factor 2 (NTF2)-like domain, an acidic
domain, a domain containing PXXP motif(s), an RNA
recognition motif (RRM), and an Arg-Gly-rich region
(RGG-rich region, or arginine methylation motif).
Length = 81
Score = 40.5 bits (95), Expect = 3e-05
Identities = 15/53 (28%), Positives = 31/53 (58%)
Query: 32 DSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYED 84
DS +FVG LP+D++E ++ F ++G ++ + + G+ F F+ ++D
Sbjct: 2 DSHQLFVGNLPHDITEDELKEFFKEFGNVLEVRINSKGGGGRLPNFGFVVFDD 54
>gnl|CDD|240978 cd12534, RRM_SARFH, RNA recognition motif in Drosophila
melanogaster RNA-binding protein cabeza and similar
proteins. This subgroup corresponds to the RRM in
cabeza, also termed P19, or sarcoma-associated
RNA-binding fly homolog (SARFH). It is a putative
homolog of human RNA-binding proteins FUS (also termed
TLS or Pigpen or hnRNP P2), EWS (also termed EWSR1),
TAF15 (also termed hTAFII68 or TAF2N or RPB56), and
belongs to the of the FET (previously TET) (FUS/TLS,
EWS, TAF15) family of RNA- and DNA-binding proteins
whose expression is altered in cancer. It is a nuclear
RNA binding protein that may play an important role in
the regulation of RNA metabolism during fly development.
Cabeza contains one RNA recognition motif (RRM), also
termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain). .
Length = 83
Score = 40.5 bits (95), Expect = 3e-05
Identities = 22/80 (27%), Positives = 37/80 (46%), Gaps = 8/80 (10%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIV--------NLNLVRDKITGKSKGFCFICYEDQRS 87
+FV LP + +E D+ F G I + L +DK TG+ KG + Y+D +
Sbjct: 1 VFVSNLPPNTTEQDLAEHFGSIGIIKIDKKTGKPKIWLYKDKDTGEPKGEATVTYDDPHA 60
Query: 88 TVLSVDNLNGVKVLSRTIRV 107
+++ N + TI+V
Sbjct: 61 ASAAIEWFNNKDFMGNTIKV 80
>gnl|CDD|240892 cd12446, RRM_RBM25, RNA recognition motif in eukaryotic RNA-binding
protein 25 and similar proteins. This subfamily
corresponds to the RRM of RBM25, also termed
Arg/Glu/Asp-rich protein of 120 kDa (RED120), or protein
S164, or RNA-binding region-containing protein 7, an
evolutionary-conserved splicing coactivator SRm160
(SR-related nuclear matrix protein of 160 kDa,
)-interacting protein. RBM25 belongs to a family of
RNA-binding proteins containing a well conserved RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), at the
N-terminus, a RE/RD-rich (ER) central region, and a
C-terminal proline-tryptophan-isoleucine (PWI) motif. It
localizes to the nuclear speckles and associates with
multiple splicing components, including splicing
cofactors SRm160/300, U snRNAs, assembled splicing
complexes, and spliced mRNAs. It may play an important
role in pre-mRNA processing by coupling splicing with
mRNA 3'-end formation. Additional research indicates
that RBM25 is one of the RNA-binding regulators that
direct the alternative splicing of apoptotic factors. It
can activate proapoptotic Bcl-xS 5'ss by binding to the
exonic splicing enhancer, CGGGCA, and stabilize the
pre-mRNA-U1 snRNP through interaction with hLuc7A, a U1
snRNP-associated factor. .
Length = 84
Score = 40.7 bits (96), Expect = 3e-05
Identities = 20/72 (27%), Positives = 41/72 (56%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG +P +S+ + + + G++++ V+D TGK K F F +ED + ++ L
Sbjct: 3 VFVGNIPEGVSDDFIRKLLEKCGKVLSWKRVKDPSTGKLKAFGFCEFEDPEGALRALRLL 62
Query: 96 NGVKVLSRTIRV 107
NG+++ + + V
Sbjct: 63 NGLELGGKKLLV 74
>gnl|CDD|240833 cd12387, RRM3_hnRNPM_like, RNA recognition motif 3 in heterogeneous
nuclear ribonucleoprotein M (hnRNP M) and similar
proteins. This subfamily corresponds to the RRM3 of
heterogeneous nuclear ribonucleoprotein M (hnRNP M),
myelin expression factor 2 (MEF-2 or MyEF-2 or MST156)
and similar proteins. hnRNP M is pre-mRNA binding
protein that may play an important role in the pre-mRNA
processing. It also preferentially binds to poly(G) and
poly(U) RNA homopolymers. hnRNP M is able to interact
with early spliceosomes, further influencing splicing
patterns of specific pre-mRNAs. hnRNP M functions as the
receptor of carcinoembryonic antigen (CEA) that contains
the penta-peptide sequence PELPK signaling motif. In
addition, hnRNP M and another splicing factor Nova-1
work together as dopamine D2 receptor (D2R)
pre-mRNA-binding proteins. They regulate alternative
splicing of D2R pre-mRNA in an antagonistic manner.
hnRNP M contains three RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and an unusual
hexapeptide-repeat region rich in methionine and
arginine residues (MR repeat motif). MEF-2 is a
sequence-specific single-stranded DNA (ssDNA) binding
protein that binds specifically to ssDNA derived from
the proximal (MB1) element of the myelin basic protein
(MBP) promoter and represses transcription of the MBP
gene. MEF-2 shows high sequence homology with hnRNP M.
It also contains three RRMs, which may be responsible
for its ssDNA binding activity. .
Length = 72
Score = 40.3 bits (95), Expect = 3e-05
Identities = 19/72 (26%), Positives = 37/72 (51%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IFV LP+ ++ D+ +F + G ++ ++ D G+SKGF + +E +++
Sbjct: 1 IFVRNLPFSVTWQDLKDLFRECGNVLRADVKTDN-DGRSKGFGTVLFESPEDAQRAIEMF 59
Query: 96 NGVKVLSRTIRV 107
NG + R + V
Sbjct: 60 NGYDLEGRELEV 71
>gnl|CDD|240896 cd12450, RRM1_NUCLs, RNA recognition motif 1 found in
nucleolin-like proteins mainly from plants. This
subfamily corresponds to the RRM1 of a group of plant
nucleolin-like proteins, including nucleolin 1 (also
termed protein nucleolin like 1) and nucleolin 2 (also
termed protein nucleolin like 2, or protein parallel
like 1). They play roles in the regulation of ribosome
synthesis and in the growth and development of plants.
Like yeast nucleolin, nucleolin-like proteins possess
two RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains). .
Length = 77
Score = 40.4 bits (95), Expect = 3e-05
Identities = 23/77 (29%), Positives = 41/77 (53%), Gaps = 10/77 (12%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYED----QRSTVLS 91
+FVG L + + D+ F + GE+V++ + +D G+SKGF + + Q++
Sbjct: 2 LFVGNLSWSAEQDDLEEFFKECGEVVDVRIAQDD-DGRSKGFGHVEFATEEGAQKAL--- 57
Query: 92 VDNLNGVKVLSRTIRVD 108
+G ++L R IRVD
Sbjct: 58 --EKSGEELLGREIRVD 72
>gnl|CDD|241036 cd12592, RRM_RBM7, RNA recognition motif in vertebrate RNA-binding
protein 7 (RBM7). This subfamily corresponds to the RRM
of RBM7, a ubiquitously expressed pre-mRNA splicing
factor that enhances messenger RNA (mRNA) splicing in a
cell-specific manner or in a certain developmental
process, such as spermatogenesis. RBM7 interacts with
splicing factors SAP145 (the spliceosomal splicing
factor 3b subunit 2) and SRp20. It may play a more
specific role in meiosis entry and progression. Together
with additional testis-specific RNA-binding proteins,
RBM7 may regulate the splicing of specific pre-mRNA
species that are important in the meiotic cell cycle.
RBM7 contains an N-terminal RNA recognition motif (RRM),
also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), and a region lacking known
homology at the C-terminus. .
Length = 75
Score = 40.3 bits (94), Expect = 4e-05
Identities = 21/72 (29%), Positives = 42/72 (58%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG L ++E + +F Q G ++ + + +DK GK K F F+ ++ + S +++ L
Sbjct: 4 LFVGNLDPKVTEELIFELFLQAGPVIKVKIPKDK-DGKPKQFAFVNFKHEVSVPYAMNLL 62
Query: 96 NGVKVLSRTIRV 107
NG+K+ R + +
Sbjct: 63 NGIKLYGRPLNI 74
>gnl|CDD|241027 cd12583, RRM2_hnRNPD, RNA recognition motif 2 in heterogeneous
nuclear ribonucleoprotein D0 (hnRNP D0) and similar
proteins. This subgroup corresponds to the RRM2 of
hnRNP D0, also termed AU-rich element RNA-binding
protein 1, a UUAG-specific nuclear RNA binding protein
that may be involved in pre-mRNA splicing and telomere
elongation. hnRNP D0 contains two RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains)
or RNPs (ribonucleoprotein domains), in the middle and
an RGG box rich in glycine and arginine residues in the
C-terminal part. Each of RRMs can bind solely to the
UUAG sequence specifically. .
Length = 75
Score = 40.0 bits (93), Expect = 4e-05
Identities = 20/50 (40%), Positives = 30/50 (60%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ 85
IFVGGL D E + F +GE+ ++ L D T K +GFCFI ++++
Sbjct: 2 IFVGGLSPDTPEEKIREYFGAFGEVESIELPMDNKTNKRRGFCFITFKEE 51
>gnl|CDD|240813 cd12367, RRM2_RBM45, RNA recognition motif 2 in RNA-binding
protein 45 (RBM45) and similar proteins. This
subfamily corresponds to the RRM2 of RBM45, also termed
developmentally-regulated RNA-binding protein 1 (DRB1),
a new member of RNA recognition motif (RRM)-type neural
RNA-binding proteins, which expresses under
spatiotemporal control. It is encoded by gene drb1 that
is expressed in neurons, not in glial cells. RBM45
predominantly localizes in cytoplasm of cultured cells
and specifically binds to poly(C) RNA. It could play an
important role during neurogenesis. RBM45 carries four
RRMs, also known as RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). .
Length = 74
Score = 40.1 bits (94), Expect = 4e-05
Identities = 16/53 (30%), Positives = 33/53 (62%)
Query: 42 PYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
P +E D+ F ++G+I +++V+DK TG+SKGF ++ + ++++N
Sbjct: 9 PKSYTEEDLREKFKEFGDIEYVSIVKDKNTGESKGFGYVKFHKPSQAAVALEN 61
>gnl|CDD|241082 cd12638, RRM3_CELF1_2, RNA recognition motif 3 in CUGBP Elav-like
family member CELF-1, CELF-2 and similar proteins. This
subgroup corresponds to the RRM3 of CELF-1 (also termed
BRUNOL-2, or CUG-BP1, or EDEN-BP) and CELF-2 (also
termed BRUNOL-3, or ETR-3, or CUG-BP2, or NAPOR), both
of which belong to the CUGBP1 and ETR-3-like factors
(CELF) or BRUNOL (Bruno-like) family of RNA-binding
proteins that have been implicated in the regulation of
pre-mRNA splicing and in the control of mRNA translation
and deadenylation. CELF-1 is strongly expressed in all
adult and fetal tissues tested. Human CELF-1 is a
nuclear and cytoplasmic RNA-binding protein that
regulates multiple aspects of nuclear and cytoplasmic
mRNA processing, with implications for onset of type 1
myotonic dystrophy (DM1), a neuromuscular disease
associated with an unstable CUG triplet expansion in the
3'-UTR (3'-untranslated region) of the DMPK (myotonic
dystrophy protein kinase) gene; it preferentially
targets UGU-rich mRNA elements. It has been shown to
bind to a Bruno response element, a cis-element involved
in translational control of oskar mRNA in Drosophila,
and share sequence similarity to Bruno, the Drosophila
protein that mediates this process. The Xenopus homolog
embryo deadenylation element-binding protein (EDEN-BP)
mediates sequence-specific deadenylation of Eg5 mRNA. It
specifically binds to the EDEN motif in the
3'-untranslated regions of maternal mRNAs and targets
these mRNAs for deadenylation and translational
repression. CELF-1 contain three highly conserved RNA
recognition motifs (RRMs), also known as RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains):
two consecutive RRMs (RRM1 and RRM2) situated in the
N-terminal region followed by a linker region and the
third RRM (RRM3) close to the C-terminus of the protein.
The two N-terminal RRMs of EDEN-BP are necessary for the
interaction with EDEN as well as a part of the linker
region (between RRM2 and RRM3). Oligomerization of
EDEN-BP is required for specific mRNA deadenylation and
binding. CELF-2 is expressed in all tissues at some
level, but highest in brain, heart, and thymus. It has
been implicated in the regulation of nuclear and
cytoplasmic RNA processing events, including alternative
splicing, RNA editing, stability and translation. CELF-2
shares high sequence identity with CELF-1, but shows
different binding specificity; it binds preferentially
to sequences with UG repeats and UGUU motifs. It has
been shown to bind to a Bruno response element, a
cis-element involved in translational control of oskar
mRNA in Drosophila, and share sequence similarity to
Bruno, the Drosophila protein that mediates this
process. It also binds to the 3'-UTR of cyclooxygenase-2
messages, affecting both translation and mRNA stability,
and binds to apoB mRNA, regulating its C to U editing.
CELF-2 also contain three highly conserved RRMs. It
binds to RNA via the first two RRMs, which are important
for localization in the cytoplasm. The splicing
activation or repression activity of CELF-2 on some
specific substrates is mediated by RRM1/RRM2. Both, RRM1
and RRM2 of CELF-2, can activate cardiac troponin T
(cTNT) exon 5 inclusion. In addition, CELF-2 possesses a
typical arginine and lysine-rich nuclear localization
signal (NLS) in the C-terminus, within RRM3. .
Length = 92
Score = 40.4 bits (94), Expect = 4e-05
Identities = 22/88 (25%), Positives = 47/88 (53%), Gaps = 4/88 (4%)
Query: 32 DSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLS 91
+ A +F+ LP + + D++ +F +G +V+ + DK T SK F F+ Y++ S +
Sbjct: 6 EGANLFIYHLPQEFGDQDLLQMFMPFGNVVSAKVFIDKQTNLSKCFGFVSYDNPVSAQAA 65
Query: 92 VDNLNGVKVLSRTIRVDHVNDYKPPKDN 119
+ +NG ++ + ++V K K++
Sbjct: 66 IQAMNGFQIGMKRLKV----QLKRSKND 89
>gnl|CDD|241080 cd12636, RRM2_Bruno_like, RNA recognition motif 2 in Drosophila
melanogaster Bruno protein and similar proteins. This
subgroup corresponds to the RRM2 of Bruno, a Drosophila
RNA recognition motif (RRM)-containing protein that
plays a central role in regulation of Oskar (Osk)
expression. It mediates repression by binding to
regulatory Bruno response elements (BREs) in the Osk
mRNA 3' UTR. The full-length Bruno protein contains
three RRMs, two located in the N-terminal half of the
protein and the third near the C-terminus, separated by
a linker region. .
Length = 81
Score = 40.2 bits (94), Expect = 4e-05
Identities = 16/61 (26%), Positives = 35/61 (57%), Gaps = 1/61 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG L +E DV +F+ +G I ++RD+ G+S+G F+ + ++ + ++ +
Sbjct: 4 LFVGMLSKKCNENDVRIMFAPFGSIEECTVLRDQ-NGQSRGCAFVTFASRQCALNAIKAM 62
Query: 96 N 96
+
Sbjct: 63 H 63
>gnl|CDD|240689 cd12243, RRM1_MSSP, RNA recognition motif 1 in the c-myc gene
single-strand binding proteins (MSSP) family. This
subfamily corresponds to the RRM1 of c-myc gene
single-strand binding proteins (MSSP) family, including
single-stranded DNA-binding protein MSSP-1 (also termed
RBMS1 or SCR2) and MSSP-2 (also termed RBMS2 or SCR3).
All MSSP family members contain two RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains), both of which are
responsible for the specific DNA binding activity. Both,
MSSP-1 and -2, have been identified as protein factors
binding to a putative DNA replication
origin/transcriptional enhancer sequence present
upstream from the human c-myc gene in both single- and
double-stranded forms. Thus, they have been implied in
regulating DNA replication, transcription, apoptosis
induction, and cell-cycle movement, via the interaction
with c-MYC, the product of protooncogene c-myc.
Moreover, the family includes a new member termed
RNA-binding motif, single-stranded-interacting protein 3
(RBMS3), which is not a transcriptional regulator. RBMS3
binds with high affinity to A/U-rich stretches of RNA,
and to A/T-rich DNA sequences, and functions as a
regulator of cytoplasmic activity. In addition, a
putative meiosis-specific RNA-binding protein termed
sporulation-specific protein 5 (SPO5, or meiotic
RNA-binding protein 1, or meiotically up-regulated gene
12 protein), encoded by Schizosaccharomyces pombe
Spo5/Mug12 gene, is also included in this family. SPO5
is a novel meiosis I regulator that may function in the
vicinity of the Mei2 dot. .
Length = 71
Score = 39.9 bits (94), Expect = 5e-05
Identities = 17/65 (26%), Positives = 39/65 (60%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++ GLP + ++ D+ + +G+I++ + DK T K KG+ F+ ++ + + +++ L
Sbjct: 3 VYIRGLPPNTTDEDLEKLCQPFGKIISTKAILDKKTNKCKGYGFVDFDSPEAALKAIEGL 62
Query: 96 NGVKV 100
NG V
Sbjct: 63 NGRGV 67
>gnl|CDD|241066 cd12622, RRM3_PUB1, RNA recognition motif 3 in yeast nuclear and
cytoplasmic polyadenylated RNA-binding protein PUB1 and
similar proteins. This subfamily corresponds to the
RRM3 of yeast protein PUB1, also termed ARS
consensus-binding protein ACBP-60, or poly
uridylate-binding protein, or poly(U)-binding protein.
PUB1 has been identified as both, a heterogeneous
nuclear RNA-binding protein (hnRNP) and a cytoplasmic
mRNA-binding protein (mRNP), which may be stably bound
to a translationally inactive subpopulation of mRNAs
within the cytoplasm. PUB1 is distributed in both, the
nucleus and the cytoplasm, and binds to poly(A)+ RNA
(mRNA or pre-mRNA). Although it is one of the major
cellular proteins cross-linked by UV light to
polyadenylated RNAs in vivo, PUB1 is nonessential for
cell growth in yeast. PUB1 also binds to T-rich single
stranded DNA (ssDNA); however, there is no strong
evidence implicating PUB1 in the mechanism of DNA
replication. PUB1 contains three RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and a GAR motif (glycine
and arginine rich stretch) that is located between RRM2
and RRM3. .
Length = 74
Score = 39.8 bits (93), Expect = 6e-05
Identities = 17/71 (23%), Positives = 33/71 (46%), Gaps = 6/71 (8%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG +P ++ D+I +F +G I+ D+ GF F+ + +++ L
Sbjct: 3 VYVGNIPPYTTQADLIPLFQNFGYILEFRHQPDR------GFAFVKLDTHEQAAMAIVQL 56
Query: 96 NGVKVLSRTIR 106
G V R +R
Sbjct: 57 QGFPVHGRPLR 67
>gnl|CDD|241042 cd12598, RRM1_SRSF9, RNA recognition motif 1 in vertebrate
serine/arginine-rich splicing factor 9 (SRSF9). This
subgroup corresponds to the RRM1 of SRSF9, also termed
pre-mRNA-splicing factor SRp30C. SRSF9 is an essential
splicing regulatory serine/arginine (SR) protein that
has been implicated in the activity of many elements
that control splice site selection, the alternative
splicing of the glucocorticoid receptor beta in
neutrophils and in the gonadotropin-releasing hormone
pre-mRNA. SRSF9 can also interact with other proteins
implicated in alternative splicing, including YB-1,
rSLM-1, rSLM-2, E4-ORF4, Nop30, and p32. SRSF9 contains
two N-terminal RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), followed by an unusually
short C-terminal RS domains rich in serine-arginine
dipeptides. .
Length = 72
Score = 39.4 bits (92), Expect = 7e-05
Identities = 24/73 (32%), Positives = 36/73 (49%), Gaps = 3/73 (4%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
I+VG LP D+ E D+ +F +YG I ++ L K F F+ +ED R +V
Sbjct: 2 IYVGNLPSDVREKDLEDLFYKYGRIRDIEL---KNRRGLVPFAFVRFEDPRDAEDAVFGR 58
Query: 96 NGVKVLSRTIRVD 108
NG +RV+
Sbjct: 59 NGYDFGQCRLRVE 71
>gnl|CDD|241016 cd12572, RRM2_MSI1, RNA recognition motif 2 in RNA-binding
protein Musashi homolog 1 (Musashi-1) and similar
proteins. This subgroup corresponds to the RRM2 of
Musashi-1. The mammalian MSI1 gene encoding Musashi-1
(also termed Msi1) is a neural RNA-binding protein
putatively expressed in central nervous system (CNS)
stem cells and neural progenitor cells, and associated
with asymmetric divisions in neural progenitor cells.
Musashi-1 is evolutionarily conserved from
invertebrates to vertebrates. It is a homolog of
Drosophila Musashi and Xenopus laevis nervous
system-specific RNP protein-1 (Nrp-1) and has been
implicated in the maintenance of the stem-cell state,
differentiation, and tumorigenesis. It translationally
regulates the expression of a mammalian numb gene by
binding to the 3'-untranslated region of mRNA of Numb,
encoding a membrane-associated inhibitor of Notch
signaling, and further influences neural development.
It represses translation by interacting with the
poly(A)-binding protein and competes for binding of the
eukaryotic initiation factor-4G (eIF-4G). Musashi-1
contains two conserved N-terminal tandem RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
along with other domains of unknown function. .
Length = 74
Score = 39.2 bits (91), Expect = 8e-05
Identities = 19/50 (38%), Positives = 31/50 (62%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ 85
IFVGGL + + DV F Q+G++ + L+ DK T + +GF F+ +E +
Sbjct: 2 IFVGGLSVNTTVEDVKQYFEQFGKVDDAMLMFDKTTNRHRGFGFVTFESE 51
>gnl|CDD|241118 cd12674, RRM1_Nop4p, RNA recognition motif 1 in yeast nucleolar
protein 4 (Nop4p) and similar proteins. This subgroup
corresponds to the RRM1 of Nop4p (also known as Nop77p),
encoded by YPL043W from Saccharomyces cerevisiae. It is
an essential nucleolar protein involved in processing
and maturation of 27S pre-rRNA and biogenesis of 60S
ribosomal subunits. Nop4p has four RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains). .
Length = 79
Score = 39.4 bits (92), Expect = 8e-05
Identities = 19/73 (26%), Positives = 37/73 (50%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FV L + +++ D+ FS I + +V D TG+S+G+ F+ + ++ L
Sbjct: 2 LFVRNLAFSVTQEDLTDFFSDVAPIKHAVVVTDPETGESRGYGFVTFAMLEDAQEALAKL 61
Query: 96 NGVKVLSRTIRVD 108
K+ R +R+D
Sbjct: 62 KNKKLHGRILRLD 74
>gnl|CDD|241204 cd12760, RRM1_MSI2, RNA recognition motif 1 in RNA-binding
protein Musashi homolog 2 (Musashi-2 ) and similar
proteins. This subgroup corresponds to the RRM2 of
Musashi-2 (also termed Msi2) which has been identified
as a regulator of the hematopoietic stem cell (HSC)
compartment and of leukemic stem cells after
transplantation of cells with loss and gain of function
of the gene. It influences proliferation and
differentiation of HSCs and myeloid progenitors, and
further modulates normal hematopoiesis and promotes
aggressive myeloid leukemia. Musashi-2 contains two
conserved N-terminal tandem RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), along with other domains
of unknown function. .
Length = 76
Score = 39.3 bits (91), Expect = 9e-05
Identities = 19/52 (36%), Positives = 31/52 (59%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+F+GGL + S + FS++GEI ++RD T +S+GF F+ + D S
Sbjct: 2 MFIGGLSWQTSPDSLRDYFSKFGEIRECMVMRDPTTKRSRGFGFVTFADPAS 53
>gnl|CDD|241081 cd12637, RRM2_FCA, RNA recognition motif 2 in plant flowering time
control protein FCA and similar proteins. This subgroup
corresponds to the RRM2 of FCA, a gene controlling
flowering time in Arabidopsis, which encodes a flowering
time control protein that functions in the
posttranscriptional regulation of transcripts involved
in the flowering process. The flowering time control
protein FCA contains two RNA recognition motifs (RRMs),
also known as RBDs (RNA binding domains) or RNP
(ribonucleoprotein domains), and a WW protein
interaction domain. .
Length = 80
Score = 39.1 bits (91), Expect = 1e-04
Identities = 20/66 (30%), Positives = 38/66 (57%), Gaps = 1/66 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG L +E +V +FS YG + ++ ++RD++ +S+G F+ Y + ++ L
Sbjct: 2 LFVGCLNKQATEKEVEEVFSPYGRVEDIYMMRDEMK-QSRGCAFVKYSSKEMAQAAIKAL 60
Query: 96 NGVKVL 101
NGV +
Sbjct: 61 NGVYTM 66
>gnl|CDD|241020 cd12576, RRM1_MSI, RNA recognition motif 1 in RNA-binding protein
Musashi homolog Musashi-1, Musashi-2 and similar
proteins. This subfamily corresponds to the RRM1 in
Musashi-1 and Musashi-2. Musashi-1 (also termed Msi1)
is a neural RNA-binding protein putatively expressed in
central nervous system (CNS) stem cells and neural
progenitor cells, and associated with asymmetric
divisions in neural progenitor cells. It is
evolutionarily conserved from invertebrates to
vertebrates. Musashi-1 is a homolog of Drosophila
Musashi and Xenopus laevis nervous system-specific RNP
protein-1 (Nrp-1). It has been implicated in the
maintenance of the stem-cell state, differentiation,
and tumorigenesis. It translationally regulates the
expression of a mammalian numb gene by binding to the
3'-untranslated region of mRNA of Numb, encoding a
membrane-associated inhibitor of Notch signaling, and
further influences neural development. Moreover,
Musashi-1 represses translation by interacting with the
poly(A)-binding protein and competes for binding of the
eukaryotic initiation factor-4G (eIF-4G). Musashi-2
(also termed Msi2) has been identified as a regulator
of the hematopoietic stem cell (HSC) compartment and of
leukemic stem cells after transplantation of cells with
loss and gain of function of the gene. It influences
proliferation and differentiation of HSCs and myeloid
progenitors, and further modulates normal hematopoiesis
and promotes aggressive myeloid leukemia. Both,
Musashi-1 and Musashi-2, contain two conserved
N-terminal tandem RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), along with other domains
of unknown function. .
Length = 75
Score = 39.0 bits (91), Expect = 1e-04
Identities = 18/52 (34%), Positives = 31/52 (59%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+F+GGL + + + FS++GEI ++RD T +S+GF F+ + D S
Sbjct: 1 MFIGGLSWQTTAEGLREYFSKFGEIKECMVMRDPTTKRSRGFGFVTFSDPAS 52
>gnl|CDD|241025 cd12581, RRM2_hnRNPA2B1, RNA recognition motif 2 in heterogeneous
nuclear ribonucleoprotein A2/B1 (hnRNP A2/B1) and
similar proteins. This subgroup corresponds to the
RRM2 of hnRNP A2/B1, an RNA trafficking response
element-binding protein that interacts with the hnRNP
A2 response element (A2RE). Many mRNAs, such as myelin
basic protein (MBP), myelin-associated oligodendrocytic
basic protein (MOBP), carboxyanhydrase II (CAII),
microtubule-associated protein tau, and amyloid
precursor protein (APP) are trafficked by hnRNP A2/B1.
hnRNP A2/B1 also functions as a splicing factor that
regulates alternative splicing of the tumor
suppressors, such as BIN1, WWOX, the antiapoptotic
proteins c-FLIP and caspase-9B, the insulin receptor
(IR), and the RON proto-oncogene among others.
Overexpression of hnRNP A2/B1 has been described in
many cancers. It functions as a nuclear matrix protein
involving in RNA synthesis and the regulation of
cellular migration through alternatively splicing
pre-mRNA. It may play a role in tumor cell
differentiation. hnRNP A2/B1 contains two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
followed by a long glycine-rich region at the
C-terminus. .
Length = 80
Score = 39.3 bits (91), Expect = 1e-04
Identities = 17/50 (34%), Positives = 31/50 (62%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ 85
+FVGG+ D E + F +YG+I + ++ D+ +GK +GF F+ ++D
Sbjct: 3 LFVGGIKEDTEEHHLRDYFEEYGKIDTIEIITDRQSGKKRGFGFVTFDDH 52
>gnl|CDD|241203 cd12759, RRM1_MSI1, RNA recognition motif 1 in RNA-binding
protein Musashi homolog 1 (Musashi-1) and similar
proteins. This subgroup corresponds to the RRM1 of
Musashi-1. The mammalian MSI1 gene encoding Musashi-1
(also termed Msi1) is a neural RNA-binding protein
putatively expressed in central nervous system (CNS)
stem cells and neural progenitor cells and associated
with asymmetric divisions in neural progenitor cells.
Musashi-1 is evolutionarily conserved from
invertebrates to vertebrates. It is a homolog of
Drosophila Musashi and Xenopus laevis nervous
system-specific RNP protein-1 (Nrp-1). Musashi-1 has
been implicated in the maintenance of the stem-cell
state, differentiation, and tumorigenesis. It
translationally regulates the expression of a mammalian
numb gene by binding to the 3'-untranslated region of
mRNA of Numb, encoding a membrane-associated inhibitor
of Notch signaling, and further influences neural
development. Moreover, it represses translation by
interacting with the poly(A)-binding protein and
competes for binding of the eukaryotic initiation
factor-4G (eIF-4G). Musashi-1 contains two conserved
N-terminal tandem RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), along with other domains
of unknown function. .
Length = 77
Score = 38.8 bits (90), Expect = 1e-04
Identities = 17/50 (34%), Positives = 32/50 (64%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ 85
+F+GGL + ++ + F Q+GE+ ++RD +T +S+GF F+ + DQ
Sbjct: 3 MFIGGLSWQTTQEGLREYFGQFGEVKECLVMRDPLTKRSRGFGFVTFMDQ 52
>gnl|CDD|241030 cd12586, RRM1_PSP1, RNA recognition motif 1 in vertebrate
paraspeckle protein 1 (PSP1). This subgroup corresponds
to the RRM1 of PSPC1, also termed paraspeckle component
1 (PSPC1), a novel nucleolar factor that accumulates
within a new nucleoplasmic compartment, termed
paraspeckles, and diffusely distributes in the
nucleoplasm. It is ubiquitously expressed and highly
conserved in vertebrates. Its cellular function remains
unknown currently, however, PSPC1 forms a novel
heterodimer with the nuclear protein p54nrb, also known
as non-POU domain-containing octamer-binding protein
(NonO), which localizes to paraspeckles in an
RNA-dependent manner. PSPC1 contains two conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains), at the
N-terminus. .
Length = 71
Score = 38.8 bits (90), Expect = 1e-04
Identities = 23/72 (31%), Positives = 39/72 (54%), Gaps = 6/72 (8%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG LP D++E D +F +YGE + + RD +GF FI E + ++ L
Sbjct: 4 LFVGNLPTDITEEDFKKLFEKYGEPSEVFINRD------RGFGFIRLESRTLAEIAKAEL 57
Query: 96 NGVKVLSRTIRV 107
+G + +R +R+
Sbjct: 58 DGTILKNRPLRI 69
>gnl|CDD|236877 PRK11192, PRK11192, ATP-dependent RNA helicase SrmB; Provisional.
Length = 434
Score = 41.5 bits (98), Expect = 1e-04
Identities = 20/74 (27%), Positives = 32/74 (43%), Gaps = 5/74 (6%)
Query: 120 KYTDEETKKLRTI-GCAPGTEFGSILPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEK 178
+Y +E K R I P T+ S K +K E K+K+++ + K +
Sbjct: 362 RYIEEPLKA-RVIDELRPKTKAPSEKKTGKPSKKVL--AKRAEKKEKEKEKPKVKKRHRD 418
Query: 179 KKK-KKRKKSSSSS 191
K KR+K S +S
Sbjct: 419 TKNIGKRRKPSGTS 432
>gnl|CDD|240843 cd12397, RRM2_Nop13p_fungi, RNA recognition motif 2 in yeast
nucleolar protein 13 (Nop13p) and similar proteins.
This subfamily corresponds to the RRM2 of Nop13p
encoded by YNL175c from Saccharomyces cerevisiae. It
shares high sequence similarity with nucleolar protein
12 (Nop12p). Both Nop12p and Nop13p are not essential
for growth. However, unlike Nop12p that is localized to
the nucleolus, Nop13p localizes primarily to the
nucleolus but is also present in the nucleoplasm to a
lesser extent. Nop13p contains two RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains)
or RNPs (ribonucleoprotein domains). .
Length = 73
Score = 38.6 bits (90), Expect = 1e-04
Identities = 19/66 (28%), Positives = 35/66 (53%), Gaps = 2/66 (3%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRST--VLSVD 93
+FVG L ++ +E ++ F + G I + ++ + +GK KGF F+ +E+ L
Sbjct: 1 LFVGNLSFETTEDELRAHFGRVGRIRRVRMMTFEDSGKCKGFAFVDFEEIEFATNALKGK 60
Query: 94 NLNGVK 99
+LNG
Sbjct: 61 HLNGRA 66
>gnl|CDD|240744 cd12298, RRM3_Prp24, RNA recognition motif 3 in fungal
pre-messenger RNA splicing protein 24 (Prp24) and
similar proteins. This subfamily corresponds to the
RRM3 of Prp24, also termed U4/U6
snRNA-associated-splicing factor PRP24 (U4/U6 snRNP), an
RNA-binding protein with four well conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains). It
facilitates U6 RNA base-pairing with U4 RNA during
spliceosome assembly. Prp24 specifically binds free U6
RNA primarily with RRMs 1 and 2 and facilitates pairing
of U6 RNA bases with U4 RNA bases. Additionally, it may
also be involved in dissociation of the U4/U6 complex
during spliceosome activation. .
Length = 78
Score = 38.8 bits (91), Expect = 1e-04
Identities = 24/75 (32%), Positives = 42/75 (56%), Gaps = 4/75 (5%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEI--VNLNLVRDKITGKS-KGFCFICYEDQRSTVLSV 92
I+V L + L E D+ IFS++GE+ + + +D+ G+ GF F+ ++D S+ +
Sbjct: 3 IYVRNLDFKLDEDDLRGIFSKFGEVESIRIPKKQDEKQGRLNNGFAFVTFKDA-SSAENA 61
Query: 93 DNLNGVKVLSRTIRV 107
LNG ++ R I V
Sbjct: 62 LQLNGTELGGRKISV 76
>gnl|CDD|240832 cd12386, RRM2_hnRNPM_like, RNA recognition motif 2 in heterogeneous
nuclear ribonucleoprotein M (hnRNP M) and similar
proteins. This subfamily corresponds to the RRM2 of
heterogeneous nuclear ribonucleoprotein M (hnRNP M),
myelin expression factor 2 (MEF-2 or MyEF-2 or MST156)
and similar proteins. hnRNP M is pre-mRNA binding
protein that may play an important role in the pre-mRNA
processing. It also preferentially binds to poly(G) and
poly(U) RNA homopolymers. hnRNP M is able to interact
with early spliceosomes, further influencing splicing
patterns of specific pre-mRNAs. It functions as the
receptor of carcinoembryonic antigen (CEA) that contains
the penta-peptide sequence PELPK signaling motif. In
addition, hnRNP M and another splicing factor Nova-1
work together as dopamine D2 receptor (D2R)
pre-mRNA-binding proteins. They regulate alternative
splicing of D2R pre-mRNA in an antagonistic manner.
hnRNP M contains three RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and an unusual
hexapeptide-repeat region rich in methionine and
arginine residues (MR repeat motif). MEF-2 is a
sequence-specific single-stranded DNA (ssDNA) binding
protein that binds specifically to ssDNA derived from
the proximal (MB1) element of the myelin basic protein
(MBP) promoter and represses transcription of the MBP
gene. MEF-2 shows high sequence homology with hnRNP M.
It also contains three RRMs, which may be responsible
for its ssDNA binding activity. .
Length = 74
Score = 38.5 bits (90), Expect = 1e-04
Identities = 21/72 (29%), Positives = 35/72 (48%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IFV L Y + + +F G++V ++ DK GKS+G + +E V ++
Sbjct: 1 IFVANLDYKVGWKKLKEVFKLAGKVVRADIKEDK-EGKSRGMGVVQFEHPIEAVQAISMF 59
Query: 96 NGVKVLSRTIRV 107
NG + R +RV
Sbjct: 60 NGQMLFDRPMRV 71
>gnl|CDD|240931 cd12487, RRM1_DND1, RNA recognition motif 1 found in vertebrate
dead end protein homolog 1 (DND1). This subgroup
corresponds to the RRM1 of DND1, also termed RNA-binding
motif, single-stranded-interacting protein 4, an
RNA-binding protein that is essential for maintaining
viable germ cells in vertebrates. It interacts with the
3'-untranslated region (3'-UTR) of multiple messenger
RNAs (mRNAs) and prevents micro-RNA (miRNA) mediated
repression of mRNA. For instance, DND1 binds cell cycle
inhibitor, P27 (p27Kip1, CDKN1B), and cell cycle
regulator and tumor suppressor, LATS2 (large tumor
suppressor, homolog 2 of Drosophila). It helps maintain
their protein expression through blocking the inhibitory
function of microRNAs (miRNA) from these transcripts.
DND1 may also impose another level of translational
regulation to modulate expression of critical factors in
embryonic stem (ES) cells. DND1 interacts specifically
with apolipoprotein B editing complex 3 (APOBEC3), a
multi-functional protein inhibiting retroviral
replication. The DND1-APOBEC3 interaction may play a
role in maintaining viability of germ cells and for
preventing germ cell tumor development. DND1 contains
two conserved RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains). .
Length = 78
Score = 38.6 bits (90), Expect = 1e-04
Identities = 16/65 (24%), Positives = 34/65 (52%), Gaps = 1/65 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+F+G +P D+ E +I +F G + L+ +G ++GF + Y D+R ++ L
Sbjct: 4 VFIGKIPQDVYEDRLIPLFQSVGTLYEFRLMMT-FSGLNRGFAYAKYSDRRGASAAIATL 62
Query: 96 NGVKV 100
+ ++
Sbjct: 63 HNYEL 67
>gnl|CDD|240792 cd12346, RRM3_NGR1_NAM8_like, RNA recognition motif 3 in yeast
negative growth regulatory protein NGR1 (RBP1), yeast
protein NAM8 and similar proteins. This subfamily
corresponds to the RRM3 of NGR1 and NAM8. NGR1, also
termed RNA-binding protein RBP1, is a putative
glucose-repressible protein that binds both RNA and
single-stranded DNA (ssDNA) in yeast. It may function in
regulating cell growth in early log phase, possibly
through its participation in RNA metabolism. NGR1
contains two RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), followed by a glutamine-rich stretch that may
be involved in transcriptional activity. In addition,
NGR1 has an asparagine-rich region near the carboxyl
terminus which also harbors a methionine-rich region.
The family also includes protein NAM8, which is a
putative RNA-binding protein that acts as a suppressor
of mitochondrial splicing deficiencies when
overexpressed in yeast. It may be a non-essential
component of the mitochondrial splicing machinery. Like
NGR1, NAM8 contains two RRMs. .
Length = 72
Score = 38.4 bits (90), Expect = 1e-04
Identities = 21/72 (29%), Positives = 36/72 (50%), Gaps = 8/72 (11%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKI-TGKSKGFCFICYEDQRSTVLSVDN 94
+FVGGL ++E ++ +F +GEIV + KI GK G F+ + + + ++
Sbjct: 4 VFVGGLDPAVTEDELRSLFGPFGEIVYV-----KIPPGKGCG--FVQFVHRAAAEAAIQQ 56
Query: 95 LNGVKVLSRTIR 106
L G + IR
Sbjct: 57 LQGTIIGGSRIR 68
>gnl|CDD|240853 cd12407, RRM_FOX1_like, RNA recognition motif in vertebrate RNA
binding protein fox-1 homologs and similar proteins.
This subfamily corresponds to the RRM of several
tissue-specific alternative splicing isoforms of
vertebrate RNA binding protein Fox-1 homologs, which
show high sequence similarity to the Caenorhabditis
elegans feminizing locus on X (Fox-1) gene encoding
Fox-1 protein. RNA binding protein Fox-1 homolog 1
(RBFOX1), also termed ataxin-2-binding protein 1
(A2BP1), or Fox-1 homolog A, or
hexaribonucleotide-binding protein 1 (HRNBP1), is
predominantly expressed in neurons, skeletal muscle and
heart. It regulates alternative splicing of
tissue-specific exons by binding to UGCAUG elements.
Moreover, RBFOX1 binds to the C-terminus of ataxin-2 and
forms an ataxin-2/A2BP1 complex involved in RNA
processing. RNA binding protein fox-1 homolog 2
(RBFOX2), also termed Fox-1 homolog B, or
hexaribonucleotide-binding protein 2 (HRNBP2), or
RNA-binding motif protein 9 (RBM9), or repressor of
tamoxifen transcriptional activity, is expressed in
ovary, whole embryo, and human embryonic cell lines in
addition to neurons and muscle. RBFOX2 activates
splicing of neuron-specific exons through binding to
downstream UGCAUG elements. RBFOX2 also functions as a
repressor of tamoxifen activation of the estrogen
receptor. RNA binding protein Fox-1 homolog 3 (RBFOX3 or
NeuN or HRNBP3), also termed Fox-1 homolog C, is a
nuclear RNA-binding protein that regulates alternative
splicing of the RBFOX2 pre-mRNA, producing a message
encoding a dominant negative form of the RBFOX2 protein.
Its message is detected exclusively in post-mitotic
regions of embryonic brain. Like RBFOX1, both RBFOX2 and
RBFOX3 bind to the hexanucleotide UGCAUG elements and
modulate brain and muscle-specific splicing of exon
EIIIB of fibronectin, exon N1 of c-src, and
calcitonin/CGRP. Members in this family also harbor one
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains). .
Length = 76
Score = 38.5 bits (90), Expect = 2e-04
Identities = 18/74 (24%), Positives = 40/74 (54%), Gaps = 2/74 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+ V +P+ + D+ +F Q+G I+++ ++ ++ SKGF F+ + + + + L
Sbjct: 3 LHVSNIPFRFRDPDLRQMFGQFGPILDVEIIFNE--RGSKGFGFVTFANSADADRAREKL 60
Query: 96 NGVKVLSRTIRVDH 109
+G V R I V++
Sbjct: 61 HGTVVEGRKIEVNN 74
>gnl|CDD|218612 pfam05501, DUF755, Domain of unknown function (DUF755). This
family is predominated by ORFs from Circoviridae. The
function of this family remains to be determined.
Length = 122
Score = 39.3 bits (92), Expect = 2e-04
Identities = 22/46 (47%), Positives = 30/46 (65%)
Query: 153 QEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
Q+K S+ + K KK +H + K+ KK+R+ SSSSSSSSSS S
Sbjct: 71 QQKSSQTHKKKRKKSRHVSSRSAKKISAKKRRRSSSSSSSSSSSSS 116
Score = 37.4 bits (87), Expect = 0.001
Identities = 17/48 (35%), Positives = 25/48 (52%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
++ K+ + + KK++ K + V KK KK SSSSSSS S
Sbjct: 66 RKRKEQQKSSQTHKKKRKKSRHVSSRSAKKISAKKRRRSSSSSSSSSS 113
Score = 37.0 bits (86), Expect = 0.001
Identities = 17/48 (35%), Positives = 27/48 (56%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
++E+ K K++K + + KK K+++ SSSSSSSSS S
Sbjct: 68 RKEQQKSSQTHKKKRKKSRHVSSRSAKKISAKKRRRSSSSSSSSSSSS 115
>gnl|CDD|241017 cd12573, RRM2_MSI2, RNA recognition motif 2 in RNA-binding
protein Musashi homolog 2 (Musashi-2) and similar
proteins. This subgroup corresponds to the RRM2 of
Musashi-2 (also termed Msi2) which has been identified
as a regulator of the hematopoietic stem cell (HSC)
compartment and of leukemic stem cells after
transplantation of cells with loss and gain of function
of the gene. It influences proliferation and
differentiation of HSCs and myeloid progenitors, and
further modulates normal hematopoiesis and promotes
aggressive myeloid leukemia. Musashi-2 contains two
conserved N-terminal tandem RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), along with other domains
of unknown function. .
Length = 79
Score = 38.1 bits (88), Expect = 2e-04
Identities = 19/48 (39%), Positives = 29/48 (60%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYE 83
IFVGGL + DV F Q+G++ + L+ DK T + +GF F+ +E
Sbjct: 6 IFVGGLSANTVVEDVKQYFEQFGKVEDAMLMFDKTTNRHRGFGFVTFE 53
>gnl|CDD|240930 cd12486, RRM1_ACF, RNA recognition motif 1 found in vertebrate
APOBEC-1 complementation factor (ACF). This subgroup
corresponds to the RRM1 of ACF, also termed
APOBEC-1-stimulating protein, an RNA-binding subunit of
a core complex that interacts with apoB mRNA to
facilitate C to U RNA editing. It may also act as an
apoB mRNA recognition factor and chaperone, and play a
key role in cell growth and differentiation. ACF
shuttles between the cytoplasm and nucleus. It contains
three RNA recognition motifs (RRMs), also termed RBDs
(RNA binding domains) or RNPs (ribonucleoprotein
domains), which display high affinity for an 11
nucleotide AU-rich mooring sequence 3' of the edited
cytidine in apoB mRNA. All three RRMs may be required
for complementation of editing activity in living cells.
RRM2/3 are implicated in ACF interaction with APOBEC-1.
.
Length = 78
Score = 38.0 bits (88), Expect = 2e-04
Identities = 17/65 (26%), Positives = 38/65 (58%), Gaps = 1/65 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IF+G LP DL E ++I + + G+I + ++ D G ++G+ F+ + +++ ++ L
Sbjct: 4 IFIGKLPRDLFEDELIPLCEKIGKIYEMRMMMD-FNGNNRGYAFVTFSNKQEAKNAIKQL 62
Query: 96 NGVKV 100
N ++
Sbjct: 63 NNYEI 67
>gnl|CDD|240673 cd12227, RRM_SCAF4_SCAF8, RNA recognition motif in SR-related and
CTD-associated factor 4 (SCAF4), SR-related and
CTD-associated factor 8 (SCAF8) and similar proteins.
This subfamily corresponds to the RRM in a new class of
SCAFs (SR-like CTD-associated factors), including SCAF4,
SCAF8 and similar proteins. The biological role of SCAF4
remains unclear, but it shows high sequence similarity
to SCAF8 (also termed CDC5L complex-associated protein
7, or RNA-binding motif protein 16, or CTD-binding
SR-like protein RA8). SCAF8 is a nuclear matrix protein
that interacts specifically with a highly
serine-phosphorylated form of the carboxy-terminal
domain (CTD) of the largest subunit of RNA polymerase II
(pol II). The pol II CTD plays a role in coupling
transcription and pre-mRNA processing. In addition,
SCAF8 co-localizes primarily with transcription sites
that are enriched in nuclear matrix fraction, which is
known to contain proteins involved in pre-mRNA
processing. Thus, SCAF8 may play a direct role in
coupling with both, transcription and pre-mRNA
processing, processes. SCAF8 and SCAF4 both contain a
conserved N-terminal CTD-interacting domain (CID), an
atypical RNA recognition motif (RRM), also termed RBD
(RNA binding domain) or RNPs (ribonucleoprotein domain),
and serine/arginine-rich motifs.
Length = 77
Score = 38.1 bits (89), Expect = 2e-04
Identities = 17/73 (23%), Positives = 40/73 (54%), Gaps = 6/73 (8%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++G L ++E D+ +F +YGEI +++++ +G ++C E ++ ++ L
Sbjct: 5 LWIGHLSKKVTEEDLKNLFEEYGEIQSIDMI------PPRGCAYVCMETRQDAHRALQKL 58
Query: 96 NGVKVLSRTIRVD 108
VK+ + I+V
Sbjct: 59 RNVKLAGKKIKVA 71
>gnl|CDD|240772 cd12326, RRM1_hnRNPA0, RNA recognition motif 1 found in
heterogeneous nuclear ribonucleoprotein A0 (hnRNP A0)
and similar proteins. This subfamily corresponds to
the RRM1 of hnRNP A0 which is a low abundance hnRNP
protein that has been implicated in mRNA stability in
mammalian cells. It has been identified as the
substrate for MAPKAP-K2 and may be involved in the
lipopolysaccharide (LPS)-induced post-transcriptional
regulation of tumor necrosis factor-alpha (TNF-alpha),
cyclooxygenase 2 (COX-2) and macrophage inflammatory
protein 2 (MIP-2). hnRNP A0 contains two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
followed by a long glycine-rich region at the
C-terminus. .
Length = 79
Score = 38.2 bits (89), Expect = 2e-04
Identities = 16/47 (34%), Positives = 28/47 (59%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICY 82
+FVGGL S+ + F++YG++ ++ D T +S+GF FI +
Sbjct: 5 LFVGGLNLKTSDSGLRRHFTRYGKLTECVVMVDPNTKRSRGFGFITF 51
>gnl|CDD|241054 cd12610, RRM1_SECp43, RNA recognition motif 1 in tRNA
selenocysteine-associated protein 1 (SECp43). This
subgroup corresponds to the RRM1 of SECp43, an
RNA-binding protein associated specifically with
eukaryotic selenocysteine tRNA [tRNA(Sec)]. It may play
an adaptor role in the mechanism of selenocysteine
insertion. SECp43 is located primarily in the nucleus
and contains two N-terminal RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and a C-terminal
polar/acidic region. .
Length = 84
Score = 38.1 bits (89), Expect = 3e-04
Identities = 19/66 (28%), Positives = 37/66 (56%), Gaps = 3/66 (4%)
Query: 33 SAWIFVGGLPYDLSEGDVICIFSQYGE-IVNLNLVRDKITGKSKGFCFICYEDQRSTVLS 91
S W+ G L + E + F+ GE ++++ ++R+K+TG G+CF+ + D+ +
Sbjct: 1 SLWM--GDLEPYMDENFIKRAFASMGETVLSVKIIRNKLTGGPAGYCFVEFADEATAERC 58
Query: 92 VDNLNG 97
+ LNG
Sbjct: 59 LHKLNG 64
>gnl|CDD|240825 cd12379, RRM2_I_PABPs, RNA recognition motif 2 found in type I
polyadenylate-binding proteins. This subfamily
corresponds to the RRM2 of type I poly(A)-binding
proteins (PABPs), highly conserved proteins that bind to
the poly(A) tail present at the 3' ends of most
eukaryotic mRNAs. They have been implicated in the
regulation of poly(A) tail length during the
polyadenylation reaction, translation initiation, mRNA
stabilization by influencing the rate of deadenylation
and inhibition of mRNA decapping. The family represents
type I polyadenylate-binding proteins (PABPs), including
polyadenylate-binding protein 1 (PABP-1 or PABPC1),
polyadenylate-binding protein 3 (PABP-3 or PABPC3),
polyadenylate-binding protein 4 (PABP-4 or APP-1 or
iPABP), polyadenylate-binding protein 5 (PABP-5 or
PABPC5), polyadenylate-binding protein 1-like
(PABP-1-like or PABPC1L), polyadenylate-binding protein
1-like 2 (PABPC1L2 or RBM32), polyadenylate-binding
protein 4-like (PABP-4-like or PABPC4L), yeast
polyadenylate-binding protein, cytoplasmic and nuclear
(PABP or ACBP-67), and similar proteins. PABP-1 is a
ubiquitously expressed multifunctional protein that may
play a role in 3' end formation of mRNA, translation
initiation, mRNA stabilization, protection of poly(A)
from nuclease activity, mRNA deadenylation, inhibition
of mRNA decapping, and mRNP maturation. Although PABP-1
is thought to be a cytoplasmic protein, it is also found
in the nucleus. PABP-1 may be involved in
nucleocytoplasmic trafficking and utilization of mRNP
particles. PABP-1 contains four copies of RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains), a less
well conserved linker region, and a proline-rich
C-terminal conserved domain (CTD). PABP-3 is a
testis-specific poly(A)-binding protein specifically
expressed in round spermatids. It is mainly found in
mammalian and may play an important role in the
testis-specific regulation of mRNA homeostasis. PABP-3
shows significant sequence similarity to PABP-1.
However, it binds to poly(A) with a lower affinity than
PABP-1. Moreover, PABP-1 possesses an A-rich sequence in
its 5'-UTR and allows binding of PABP and blockage of
translation of its own mRNA. In contrast, PABP-3 lacks
the A-rich sequence in its 5'-UTR. PABP-4 is an
inducible poly(A)-binding protein (iPABP) that is
primarily localized to the cytoplasm. It shows
significant sequence similarity to PABP-1 as well. The
RNA binding properties of PABP-1 and PABP-4 appear to be
identical. PABP-5 is encoded by PABPC5 gene within the
X-specific subinterval, and expressed in fetal brain and
in a range of adult tissues in mammalian, such as ovary
and testis. It may play an important role in germ cell
development. Unlike other PABPs, PABP-5 contains only
four RRMs, but lacks both the linker region and the CTD.
PABP-1-like and PABP-1-like 2 are the orthologs of
PABP-1. PABP-4-like is the ortholog of PABP-5. Their
cellular functions remain unclear. The family also
includes the yeast PABP, a conserved poly(A) binding
protein containing poly(A) tails that can be attached to
the 3'-ends of mRNAs. The yeast PABP and its homologs
may play important roles in the initiation of
translation and in mRNA decay. Like vertebrate PABP-1,
the yeast PABP contains four RRMs, a linker region, and
a proline-rich CTD as well. The first two RRMs are
mainly responsible for specific binding to poly(A). The
proline-rich region may be involved in protein-protein
interactions. .
Length = 77
Score = 37.9 bits (89), Expect = 3e-04
Identities = 15/57 (26%), Positives = 33/57 (57%), Gaps = 1/57 (1%)
Query: 53 IFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRVDH 109
FS +G I++ + D+ G SKG+ F+ +E + + V +++ +NG+ + + + V
Sbjct: 22 TFSAFGNILSCKVATDE-NGGSKGYGFVHFETEEAAVRAIEKVNGMLLNDKKVFVGP 77
>gnl|CDD|233507 TIGR01648, hnRNP-R-Q, heterogeneous nuclear ribonucleoprotein R, Q
family. Sequences in this subfamily include the human
heterogeneous nuclear ribonucleoproteins (hnRNP) R , Q
and APOBEC-1 complementation factor (aka APOBEC-1
stimulating protein). These proteins contain three RNA
recognition domains (rrm: pfam00076) and a somewhat
variable C-terminal domain.
Length = 578
Score = 40.4 bits (94), Expect = 3e-04
Identities = 19/65 (29%), Positives = 38/65 (58%), Gaps = 1/65 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG +P DL E +++ +F + G I L L+ D +G+++G+ F+ + + +V L
Sbjct: 61 VFVGKIPRDLYEDELVPLFEKAGPIYELRLMMD-FSGQNRGYAFVTFCGKEEAKEAVKLL 119
Query: 96 NGVKV 100
N ++
Sbjct: 120 NNYEI 124
Score = 36.5 bits (84), Expect = 0.007
Identities = 31/136 (22%), Positives = 61/136 (44%), Gaps = 13/136 (9%)
Query: 32 DSAWIFVGGLPYDLSEGDVICIFSQYGE-IVNLNL---VRDKITGKSKGFCFICYEDQRS 87
D+ +FVGG+P + +++ FS+ E +V++ + DK K++GF F+ YE R+
Sbjct: 137 DNCRLFVGGIPKNKKREEILEEFSKVTEGVVDVIVYHSAADKK--KNRGFAFVEYESHRA 194
Query: 88 TVLSVDNL--NGVKVLSRTIRVDHVNDYKPPKDNKYTDEETKKLRTIGCAPGTE-----F 140
++ L +++ I VD + ++ + +R + E F
Sbjct: 195 AAMARRKLMPGRIQLWGHVIAVDWAEPEEEVDEDVMAKVKILYVRNLMTTTTEEIIEKSF 254
Query: 141 GSILPVKTEDIKQEKD 156
P K E +K+ +D
Sbjct: 255 SEFKPGKVERVKKIRD 270
>gnl|CDD|240766 cd12320, RRM6_RBM19_RRM5_MRD1, RNA recognition motif 6 in
RNA-binding protein 19 (RBM19 or RBD-1) and RNA
recognition motif 5 in multiple RNA-binding
domain-containing protein 1 (MRD1). This subfamily
corresponds to the RRM6 of RBM19 and RRM5 of MRD1.
RBM19, also termed RNA-binding domain-1 (RBD-1), is a
nucleolar protein conserved in eukaryotes. It is
involved in ribosome biogenesis by processing rRNA and
is essential for preimplantation development. It has a
unique domain organization containing 6 conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains).
MRD1 is encoded by a novel yeast gene MRD1 (multiple
RNA-binding domain). It is well-conserved in yeast and
its homologs exist in all eukaryotes. MRD1 is present
in the nucleolus and the nucleoplasm. It interacts with
the 35 S precursor rRNA (pre-rRNA) and U3 small
nucleolar RNAs (snoRNAs). It is essential for the
initial processing at the A0-A2 cleavage sites in the
35 S pre-rRNA. MRD1 contains 5 conserved RRMs, which
may play an important structural role in organizing
specific rRNA processing events. .
Length = 76
Score = 37.6 bits (88), Expect = 3e-04
Identities = 11/45 (24%), Positives = 28/45 (62%), Gaps = 1/45 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFI 80
+ V +P++ ++ ++ +FS +G++ ++ L + K G +GF F+
Sbjct: 3 LIVRNVPFEATKKELRELFSPFGQVKSVRLPK-KFDGSHRGFAFV 46
>gnl|CDD|241057 cd12613, RRM2_NGR1_NAM8_like, RNA recognition motif 2 in yeast
negative growth regulatory protein NGR1, yeast protein
NAM8 and similar proteins. This subgroup corresponds to
the RRM2 of NGR1 and NAM8. NGR1, also termed RNA-binding
protein RBP1, is a putative glucose-repressible protein
that binds both, RNA and single-stranded DNA (ssDNA), in
yeast. It may function in regulating cell growth in
early log phase, possibly through its participation in
RNA metabolism. NGR1 contains two RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), followed by a
glutamine-rich stretch that may be involved in
transcriptional activity. In addition, NGR1 has an
asparagine-rich region near the carboxyl terminus which
also harbors a methionine-rich region. The family also
includes protein NAM8, which is a putative RNA-binding
protein that acts as a suppressor of mitochondrial
splicing deficiencies when overexpressed in yeast. It
may be a non-essential component of the mitochondrial
splicing machinery. Like NGR1, NAM8 contains two RRMs. .
Length = 80
Score = 37.5 bits (87), Expect = 3e-04
Identities = 20/73 (27%), Positives = 42/73 (57%), Gaps = 1/73 (1%)
Query: 36 IFVGGLPYDLSEGDVICIF-SQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
IFVG L +++E D++ +F S++ + ++ D +TG S+G+ F+ + D+ ++
Sbjct: 4 IFVGDLSPEVNESDLVSLFQSRFPSCKSAKIMTDPVTGVSRGYGFVRFSDENDQQRALIE 63
Query: 95 LNGVKVLSRTIRV 107
+ GV R +R+
Sbjct: 64 MQGVYCGGRPMRI 76
>gnl|CDD|241040 cd12596, RRM1_SRSF6, RNA recognition motif 1 in vertebrate
serine/arginine-rich splicing factor 6 (SRSF6). This
subfamily corresponds to the RRM1 of SRSF6, also termed
pre-mRNA-splicing factor SRp55, which is an essential
splicing regulatory serine/arginine (SR) protein that
preferentially interacts with a number of purine-rich
splicing enhancers (ESEs) to activate splicing of the
ESE-containing exon. It is the only protein from HeLa
nuclear extract or purified SR proteins that
specifically binds B element RNA after UV irradiation.
SRSF6 may also recognize different types of RNA sites.
For instance, it does not bind to the purine-rich
sequence in the calcitonin-specific ESE, but binds to a
region adjacent to the purine tract. Moreover, cellular
levels of SRSF6 may control tissue-specific alternative
splicing of the calcitonin/ calcitonin gene-related
peptide (CGRP) pre-mRNA. SRSF6 contains two N-terminal
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
followed by a C-terminal SR domains rich in
serine-arginine dipeptides. .
Length = 70
Score = 37.2 bits (86), Expect = 4e-04
Identities = 20/74 (27%), Positives = 37/74 (50%), Gaps = 8/74 (10%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++G L Y + E D+ F YG+++ ++L G+ F+ +ED R +V L
Sbjct: 2 VYIGRLSYHVREKDIQRFFGGYGKLLEIDL--------KNGYGFVEFEDSRDADDAVYEL 53
Query: 96 NGVKVLSRTIRVDH 109
NG + + V+H
Sbjct: 54 NGKDLCGERVIVEH 67
>gnl|CDD|241060 cd12616, RRM1_TIAR, RNA recognition motif 1 in nucleolysin TIAR and
similar proteins. This subgroup corresponds to the RRM1
of nucleolysin TIAR, also termed TIA-1-related protein,
and a cytotoxic granule-associated RNA-binding protein
that shows high sequence similarity with 40-kDa isoform
of T-cell-restricted intracellular antigen-1
(p40-TIA-1). TIAR is mainly localized in the nucleus of
hematopoietic and nonhematopoietic cells. It is
translocated from the nucleus to the cytoplasm in
response to exogenous triggers of apoptosis. TIAR
possesses nucleolytic activity against cytolytic
lymphocyte (CTL) target cells. It can trigger DNA
fragmentation in permeabilized thymocytes, and thus may
function as an effector responsible for inducing
apoptosis. TIAR is composed of three N-terminal highly
homologous RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), and a glutamine-rich C-terminal auxiliary
domain containing a lysosome-targeting motif. It
interacts with RNAs containing short stretches of
uridylates and its RRM2 can mediate the specific binding
to uridylate-rich RNAs. .
Length = 81
Score = 37.4 bits (86), Expect = 5e-04
Identities = 17/73 (23%), Positives = 41/73 (56%), Gaps = 2/73 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG L D++E ++ +FSQ G + ++ + + +CF+ + + R ++ +
Sbjct: 2 LYVGNLSRDVTEVLILQLFSQIGPCKSCKMITEHTSNDP--YCFVEFYEHRDAAAALAAM 59
Query: 96 NGVKVLSRTIRVD 108
NG K+L + ++V+
Sbjct: 60 NGRKILGKEVKVN 72
>gnl|CDD|241041 cd12597, RRM1_SRSF1, RNA recognition motif 1 in
serine/arginine-rich splicing factor 1 (SRSF1) and
similar proteins. This subgroup corresponds to the RRM1
of SRSF1, also termed alternative-splicing factor 1
(ASF-1), or pre-mRNA-splicing factor SF2, P33 subunit.
SRSF1 is a splicing regulatory serine/arginine (SR)
protein involved in constitutive and alternative
splicing, nonsense-mediated mRNA decay (NMD), mRNA
export and translation. It also functions as a
splicing-factor oncoprotein that regulates apoptosis and
proliferation to promote mammary epithelial cell
transformation. SRSF1 is a shuttling SR protein and
contains two N-terminal RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), separated by a long
glycine-rich spacer, and a C-terminal RS domains rich in
serine-arginine dipeptides. .
Length = 73
Score = 36.7 bits (85), Expect = 6e-04
Identities = 21/74 (28%), Positives = 36/74 (48%), Gaps = 4/74 (5%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
I+VG LP D+ D+ +F +YG I +++L + F F+ +ED R +V
Sbjct: 2 IYVGNLPPDIRTKDIEDLFYKYGAIRDIDLKNR----RGPPFAFVEFEDPRDAEDAVYGR 57
Query: 96 NGVKVLSRTIRVDH 109
+G +RV+
Sbjct: 58 DGYDYDGYRLRVEF 71
>gnl|CDD|240761 cd12315, RRM1_RBM19_MRD1, RNA recognition motif 1 in RNA-binding
protein 19 (RBM19), yeast multiple RNA-binding
domain-containing protein 1 (MRD1) and similar proteins.
This subfamily corresponds to the RRM1 of RBM19 and
MRD1. RBM19, also termed RNA-binding domain-1 (RBD-1),
is a nucleolar protein conserved in eukaryotes. It is
involved in ribosome biogenesis by processing rRNA and
is essential for preimplantation development. It has a
unique domain organization containing 6 conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains). MRD1 is
encoded by a novel yeast gene MRD1 (multiple RNA-binding
domain). It is well-conserved in yeast and its homologs
exist in all eukaryotes. MRD1 is present in the
nucleolus and the nucleoplasm. It interacts with the 35
S precursor rRNA (pre-rRNA) and U3 small nucleolar RNAs
(snoRNAs). It is essential for the initial processing at
the A0-A2 cleavage sites in the 35 S pre-rRNA. MRD1
contains 5 conserved RRMs, which may play an important
structural role in organizing specific rRNA processing
events. .
Length = 77
Score = 36.5 bits (85), Expect = 8e-04
Identities = 22/74 (29%), Positives = 38/74 (51%), Gaps = 2/74 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQ-YGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
+ V LP L+E ++ FS+ GEI ++ L+R + GKS+ FI Y+ + + D
Sbjct: 3 LIVKNLPASLTEAELKEHFSKHGGEITDVKLLRTE-DGKSRRIAFIGYKTEEEAQKAKDY 61
Query: 95 LNGVKVLSRTIRVD 108
N + + I V+
Sbjct: 62 FNNTYINTSKISVE 75
>gnl|CDD|240724 cd12278, RRM_eIF3B, RNA recognition motif in eukaryotic
translation initiation factor 3 subunit B (eIF-3B) and
similar proteins. This subfamily corresponds to the
RRM domain in eukaryotic translation initiation factor
3 (eIF-3), a large multisubunit complex that plays a
central role in the initiation of translation by
binding to the 40 S ribosomal subunit and promoting the
binding of methionyl-tRNAi and mRNA. eIF-3B, also
termed eIF-3 subunit 9, or Prt1 homolog, eIF-3-eta,
eIF-3 p110, or eIF-3 p116, is the major scaffolding
subunit of eIF-3. It interacts with eIF-3 subunits A,
G, I, and J. eIF-3B contains an N-terminal RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), which is
involved in the interaction with eIF-3J. The
interaction between eIF-3B and eIF-3J is crucial for
the eIF-3 recruitment to the 40 S ribosomal subunit.
eIF-3B also binds directly to domain III of the
internal ribosome-entry site (IRES) element of
hepatitis-C virus (HCV) RNA through its N-terminal RRM,
which may play a critical role in both cap-dependent
and cap-independent translation. Additional research
has shown that eIF-3B may function as an oncogene in
glioma cells and can be served as a potential
therapeutic target for anti-glioma therapy. This family
also includes the yeast homolog of eIF-3 subunit B
(eIF-3B, also termed PRT1 or eIF-3 p90) that interacts
with the yeast homologs of eIF-3 subunits A(TIF32),
G(TIF35), I(TIF34), J(HCR1), and E(Pci8). In yeast,
eIF-3B (PRT1) contains an N-terminal RRM that is
directly involved in the interaction with eIF-3A
(TIF32) and eIF-3J (HCR1). In contrast to its human
homolog, yeast eIF-3B (PRT1) may have potential to bind
its total RNA through its RRM domain. .
Length = 84
Score = 36.8 bits (86), Expect = 8e-04
Identities = 22/73 (30%), Positives = 36/73 (49%), Gaps = 9/73 (12%)
Query: 35 WIFVGGLP------YDLSEGDVICIFSQ--YGEIVNLNLVRDKITGKSKGFCFICYEDQR 86
+ V GLP + + + IFS+ G+IV + + D+ TGK+KG+ F+ +
Sbjct: 3 VVVVDGLPVVGEEKLEKLKKVLRKIFSKFGVGKIVGIYMPVDE-TGKTKGYAFVEFATPE 61
Query: 87 STVLSVDNLNGVK 99
+V LNG K
Sbjct: 62 EAKEAVKALNGYK 74
>gnl|CDD|240674 cd12228, RRM_ENOX, RNA recognition motif (RRM) in the cell surface
Ecto-NOX disulfide-thiol exchanger (ECTO-NOX or ENOX)
proteins. This subgroup corresponds to the conserved
RNA recognition motif (RRM) in ECTO-NOX proteins (also
termed ENOX), comprising a family of plant and animal
NAD(P)H oxidases exhibiting both, oxidative and protein
disulfide isomerase-like, activities. They are
growth-related and drive cell enlargement, and may play
roles in aging and neurodegenerative diseases. ENOX
proteins function as terminal oxidases of plasma
membrane electron transport (PMET) through catalyzing
electron transport from plasma membrane quinones to
extracellular oxygen, forming water as a product. They
are also hydroquinone oxidases that oxidize externally
supplied NADH, hence NOX. ENOX proteins harbor a
di-copper center that lack flavin. ENOX proteins display
protein disulfide interchange activity that is also
possessed by protein disulfide isomerase. In contrast to
the classic protein disulfide isomerases, ENOX proteins
lack the double CXXC motif. This family includes two
ENOX proteins, ENOX1 and ENOX2. ENOX1, also termed
candidate growth-related and time keeping constitutive
hydroquinone [NADH] oxidase (cCNOX), or cell
proliferation-inducing gene 38 protein, or Constitutive
Ecto-NOX (cNOX), is the constitutively expressed cell
surface NADH (ubiquinone) oxidase that is ubiquitous and
refractory to drugs. ENOX2, also termed APK1 antigen, or
cytosolic ovarian carcinoma antigen 1, or
tumor-associated hydroquinone oxidase (tNOX), is a
cancer-specific variant of ENOX1 and plays a key role in
cell proliferation and tumor progression. In contrast to
ENOX1, ENOX2 is drug-responsive and harbors a drug
binding site to which the cancer-specific S-peptide
tagged pan-ENOX2 recombinant (scFv) is directed.
Moreover, ENOX2 is specifically inhibited by a variety
of quinone site inhibitors that have anticancer activity
and is unique to the surface of cancer cells. ENOX
proteins contain many functional motifs.
Length = 84
Score = 36.6 bits (85), Expect = 8e-04
Identities = 23/87 (26%), Positives = 41/87 (47%), Gaps = 22/87 (25%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN- 94
+FVGGLP + +E + +F Q GEI+ + + + K FC I + ++ +VD
Sbjct: 9 VFVGGLPENATEEIIREVFEQCGEIIAIRMSK-------KNFCHIRFAEE----FAVDKA 57
Query: 95 --LNGVKVLSRTIRVDHVNDYKPPKDN 119
L+G +V + PK++
Sbjct: 58 IYLSGYRV--------RIGSSTDPKNS 76
>gnl|CDD|241014 cd12570, RRM5_MRD1, RNA recognition motif 5 in yeast multiple
RNA-binding domain-containing protein 1 (MRD1) and
similar proteins. This subgroup corresponds to the RRM5
of MRD1 which is encoded by a novel yeast gene MRD1
(multiple RNA-binding domain). It is well-conserved in
yeast and its homologs exist in all eukaryotes. MRD1 is
present in the nucleolus and the nucleoplasm. It
interacts with the 35 S precursor rRNA (pre-rRNA) and U3
small nucleolar RNAs (snoRNAs). MRD1 is essential for
the initial processing at the A0-A2 cleavage sites in
the 35 S pre-rRNA. It contains 5 conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains), which may
play an important structural role in organizing specific
rRNA processing events. .
Length = 76
Score = 36.3 bits (84), Expect = 0.001
Identities = 17/73 (23%), Positives = 40/73 (54%), Gaps = 1/73 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
I V LP++ ++ DV +FS YG++ ++ + + K ++GF F+ + + + +++ L
Sbjct: 3 ILVKNLPFEATKKDVRTLFSSYGQLKSVRVPK-KFDQSARGFAFVEFSTAKEALNAMNAL 61
Query: 96 NGVKVLSRTIRVD 108
+L R + +
Sbjct: 62 KDTHLLGRRLVLQ 74
>gnl|CDD|240827 cd12381, RRM4_I_PABPs, RNA recognition motif 4 in type I
polyadenylate-binding proteins. This subfamily
corresponds to the RRM4 of type I poly(A)-binding
proteins (PABPs), highly conserved proteins that bind to
the poly(A) tail present at the 3' ends of most
eukaryotic mRNAs. They have been implicated in theThe CD
corresponds to the RRM. regulation of poly(A) tail
length during the polyadenylation reaction, translation
initiation, mRNA stabilization by influencing the rate
of deadenylation and inhibition of mRNA decapping. The
family represents type I polyadenylate-binding proteins
(PABPs), including polyadenylate-binding protein 1
(PABP-1 or PABPC1), polyadenylate-binding protein 3
(PABP-3 or PABPC3), polyadenylate-binding protein 4
(PABP-4 or APP-1 or iPABP), polyadenylate-binding
protein 5 (PABP-5 or PABPC5), polyadenylate-binding
protein 1-like (PABP-1-like or PABPC1L),
polyadenylate-binding protein 1-like 2 (PABPC1L2 or
RBM32), polyadenylate-binding protein 4-like
(PABP-4-like or PABPC4L), yeast polyadenylate-binding
protein, cytoplasmic and nuclear (PABP or ACBP-67), and
similar proteins. PABP-1 is an ubiquitously expressed
multifunctional protein that may play a role in 3' end
formation of mRNA, translation initiation, mRNA
stabilization, protection of poly(A) from nuclease
activity, mRNA deadenylation, inhibition of mRNA
decapping, and mRNP maturation. Although PABP-1 is
thought to be a cytoplasmic protein, it is also found in
the nucleus. PABP-1 may be involved in nucleocytoplasmic
trafficking and utilization of mRNP particles. PABP-1
contains four copies of RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), a less well conserved
linker region, and a proline-rich C-terminal conserved
domain (CTD). PABP-3 is a testis-specific
poly(A)-binding protein specifically expressed in round
spermatids. It is mainly found in mammalian and may play
an important role in the testis-specific regulation of
mRNA homeostasis. PABP-3 shows significant sequence
similarity to PABP-1. However, it binds to poly(A) with
a lower affinity than PABP-1. Moreover, PABP-1 possesses
an A-rich sequence in its 5'-UTR and allows binding of
PABP and blockage of translation of its own mRNA. In
contrast, PABP-3 lacks the A-rich sequence in its
5'-UTR. PABP-4 is an inducible poly(A)-binding protein
(iPABP) that is primarily localized to the cytoplasm. It
shows significant sequence similarity to PABP-1 as well.
The RNA binding properties of PABP-1 and PABP-4 appear
to be identical. PABP-5 is encoded by PABPC5 gene within
the X-specific subinterval, and expressed in fetal brain
and in a range of adult tissues in mammalian, such as
ovary and testis. It may play an important role in germ
cell development. Moreover, unlike other PABPs, PABP-5
contains only four RRMs, but lacks both the linker
region and the CTD. PABP-1-like and PABP-1-like 2 are
the orthologs of PABP-1. PABP-4-like is the ortholog of
PABP-5. Their cellular functions remain unclear. The
family also includes the yeast PABP, a conserved poly(A)
binding protein containing poly(A) tails that can be
attached to the 3'-ends of mRNAs. The yeast PABP and its
homologs may play important roles in the initiation of
translation and in mRNA decay. Like vertebrate PABP-1,
the yeast PABP contains four RRMs, a linker region, and
a proline-rich CTD as well. The first two RRMs are
mainly responsible for specific binding to poly(A). The
proline-rich region may be involved in protein-protein
interactions. .
Length = 79
Score = 36.1 bits (84), Expect = 0.001
Identities = 16/55 (29%), Positives = 29/55 (52%), Gaps = 1/55 (1%)
Query: 53 IFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRV 107
FS +G I + ++ D+ G+SKGF F+C+ +V +NG + + + V
Sbjct: 21 EFSPFGTITSAKVMTDE-KGRSKGFGFVCFSSPEEATKAVTEMNGRIIGGKPLYV 74
>gnl|CDD|241004 cd12560, RRM_SRSF12, RNA recognition motif in serine/arginine-rich
splicing factor 12 (SRSF12) and similar proteins. This
subgroup corresponds to the RRM of SRSF12, also termed
35 kDa SR repressor protein (SRrp35), or splicing
factor, arginine/serine-rich 13B (SFRS13B), or splicing
factor, arginine/serine-rich 19 (SFRS19). SRSF12 is a
serine/arginine (SR) protein-like alternative splicing
regulator that antagonizes authentic SR proteins in the
modulation of alternative 5' splice site choice. For
instance, it activates distal alternative 5' splice site
of the adenovirus E1A pre-mRNA in vivo. SRSF12 contains
a single N-terminal RNA recognition motif (RRM), also
termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), followed by a C-terminal RS
domain rich in serine-arginine dipeptides. .
Length = 84
Score = 36.1 bits (83), Expect = 0.001
Identities = 22/64 (34%), Positives = 33/64 (51%), Gaps = 1/64 (1%)
Query: 54 FSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRVDHVN-D 112
F +YG IV++ + D T + +GF +I +ED R ++ NLN V R I + D
Sbjct: 21 FGRYGPIVDVYVPLDFYTRRPRGFAYIQFEDVRDAEDALYNLNRKWVCGRQIEIQFAQGD 80
Query: 113 YKPP 116
K P
Sbjct: 81 RKTP 84
>gnl|CDD|240979 cd12535, RRM_FUS_TAF15, RNA recognition motif in vertebrate fused
in Ewing's sarcoma protein (FUS), TATA-binding
protein-associated factor 15 (TAF15) and similar
proteins. This subgroup corresponds to the RRM of FUS
and TAF15. FUS (TLS or Pigpen or hnRNP P2), also termed
75 kDa DNA-pairing protein (POMp75), or oncoprotein TLS
(Translocated in liposarcoma), is a member of the FET
(previously TET) (FUS/TLS, EWS, TAF15) family of RNA-
and DNA-binding proteins whose expression is altered in
cancer. It is a multi-functional protein and has been
implicated in pre-mRNA splicing, chromosome stability,
cell spreading, and transcription. FUS was originally
identified in human myxoid and round cell liposarcomas
as an oncogenic fusion with the stress-induced
DNA-binding transcription factor CHOP (CCAAT
enhancer-binding homologous protein) and later as hnRNP
P2, a component of hnRNP H complex assembled on
pre-mRNA. It can form ternary complexes with hnRNP A1
and hnRNP C1/C2. Additional research indicates that FUS
binds preferentially to GGUG-containing RNAs. In the
presence of Mg2+, it can bind both single- and
double-stranded DNA (ssDNA/dsDNA) and promote
ATP-independent annealing of complementary ssDNA and
D-loop formation in superhelical dsDNA. FUS has been
shown to be recruited by single stranded noncoding RNAs
to the regulatory regions of target genes such as cyclin
D1, where it represses transcription by disrupting
complex formation. TAF15 (TAFII68), also termed
TATA-binding protein-associated factor 2N (TAF2N), or
RNA-binding protein 56 (RBP56), originally identified as
a TAF in the general transcription initiation TFIID
complex, is a novel RNA/ssDNA-binding protein with
homology to the proto-oncoproteins FUS and EWS (also
termed EWSR1), belonging to the FET family as well.
TAF15 likely functions in RNA polymerase II (RNAP II)
transcription by interacting with TFIID and subunits of
RNAP II itself. TAF15 is also associated with U1 snRNA,
chromatin and RNA, in a complex distinct from the
Sm-containing U1 snRNP that functions in splicing. Like
other members in the FET family, both FUS and TAF15
contain an N-terminal Ser, Gly, Gln and Tyr-rich region
composed of multiple copies of a degenerate hexapeptide
repeat motif. The C-terminal region consists of a
conserved nuclear import and retention signal (C-NLS), a
C2/C2 zinc-finger motif, a conserved RNA recognition
motif (RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), and at least 1
arginine-glycine-glycine (RGG)-repeat region. .
Length = 86
Score = 36.1 bits (83), Expect = 0.001
Identities = 27/84 (32%), Positives = 40/84 (47%), Gaps = 8/84 (9%)
Query: 32 DSAWIFVGGLPYDLSEGDVICIFSQYGEI-VN-------LNLVRDKITGKSKGFCFICYE 83
D+ IFV GL D++ V F Q G I N +NL D+ TGK KG + ++
Sbjct: 1 DNNTIFVQGLGEDVTIESVADYFKQIGIIKTNKKTGQPMINLYTDRETGKLKGEATVSFD 60
Query: 84 DQRSTVLSVDNLNGVKVLSRTIRV 107
D S ++D +G + I+V
Sbjct: 61 DPPSAKAAIDWFDGKEFSGNPIKV 84
>gnl|CDD|241206 cd12762, RRM1_hnRNPA2B1, RNA recognition motif 1 in heterogeneous
nuclear ribonucleoprotein A2/B1 (hnRNP A2/B1) and
similar proteins. This subgroup corresponds to the
RRM1 of hnRNP A2/B1 which is an RNA trafficking
response element-binding protein that interacts with
the hnRNP A2 response element (A2RE). Many mRNAs, such
as myelin basic protein (MBP), myelin-associated
oligodendrocytic basic protein (MOBP), carboxyanhydrase
II (CAII), microtubule-associated protein tau, and
amyloid precursor protein (APP) are trafficked by hnRNP
A2/B1. hnRNP A2/B1 also functions as a splicing factor
that regulates alternative splicing of the tumor
suppressors, such as BIN1, WWOX, the antiapoptotic
proteins c-FLIP and caspase-9B, the insulin receptor
(IR), and the RON proto-oncogene among others.
Moreover, the overexpression of hnRNP A2/B1 has been
described in many cancers. It functions as a nuclear
matrix protein involving in RNA synthesis and the
regulation of cellular migration through alternatively
splicing pre-mRNA. It may play a role in tumor cell
differentiation. hnRNP A2/B1 contains two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
followed by a long glycine-rich region at the
C-terminus. .
Length = 81
Score = 36.2 bits (83), Expect = 0.001
Identities = 13/47 (27%), Positives = 31/47 (65%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICY 82
+F+GGL ++ +E + + Q+G++ + ++RD + +S+GF F+ +
Sbjct: 5 LFIGGLSFETTEESLRNYYEQWGKLTDCVVMRDPASKRSRGFGFVTF 51
>gnl|CDD|241205 cd12761, RRM1_hnRNPA1, RNA recognition motif 1 in heterogeneous
nuclear ribonucleoprotein A1 (hnRNP A1) and similar
proteins. This subgroup corresponds to the RRM1 of
hnRNP A1, also termed helix-destabilizing protein, or
single-strand RNA-binding protein, or hnRNP core
protein A1, and is an abundant eukaryotic nuclear
RNA-binding protein that may modulate splice site
selection in pre-mRNA splicing. hnRNP A1 has been
characterized as a splicing silencer, often acting in
opposition to an activating hnRNP H. It silences exons
when bound to exonic elements in the alternatively
spliced transcripts of c-src, HIV, GRIN1, and
beta-tropomyosin. hnRNP A1 can shuttle between the
nucleus and the cytoplasm. Thus, it may be involved in
transport of cellular RNAs, including the packaging of
pre-mRNA into hnRNP particles and transport of poly A+
mRNA from the nucleus to the cytoplasm. The cytoplasmic
hnRNP A1 has high affinity with AU-rich elements,
whereas the nuclear hnRNP A1 has high affinity with a
polypyrimidine stretch bordered by AG at the 3' ends of
introns. hnRNP A1 is also involved in the replication
of an RNA virus, such as mouse hepatitis virus (MHV),
through an interaction with the
transcription-regulatory region of viral RNA. hnRNP A1,
together with the scaffold protein septin 6, serves as
host protein to form a complex with NS5b and viral RNA,
and further plays important roles in the replication of
Hepatitis C virus (HCV). hnRNP A1 contains two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
followed by a long glycine-rich region at the
C-terminus. The RRMs of hnRNP A1 play an important role
in silencing the exon and the glycine-rich domain is
responsible for protein-protein interactions. .
Length = 81
Score = 36.2 bits (83), Expect = 0.001
Identities = 15/47 (31%), Positives = 30/47 (63%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICY 82
+F+GGL ++ ++ + F Q+G + + ++RD T +S+GF F+ Y
Sbjct: 5 LFIGGLSFETTDESLRSHFEQWGTLTDCVVMRDPNTKRSRGFGFVTY 51
>gnl|CDD|240672 cd12226, RRM_NOL8, RNA recognition motif in nucleolar protein 8
(NOL8) and similar proteins. This model corresponds to
the RRM of NOL8 (also termed Nop132) encoded by a novel
NOL8 gene that is up-regulated in the majority of
diffuse-type, but not intestinal-type, gastric cancers.
Thus, NOL8 may be a good molecular target for treatment
of diffuse-type gastric cancer. Also, NOL8 is a
phosphorylated protein that contains an N-terminal RNA
recognition motif (RRM), also known as RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), suggesting
NOL8 is likely to function as a novel RNA-binding
protein. It may be involved in regulation of gene
expression at the post-transcriptional level or in
ribosome biogenesis in cancer cells.
Length = 78
Score = 36.0 bits (84), Expect = 0.001
Identities = 22/76 (28%), Positives = 40/76 (52%), Gaps = 5/76 (6%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICY---EDQRSTVLSV 92
+FVGGL ++E D+ FS++G + ++ +++ K G +GF +I E Q S
Sbjct: 2 LFVGGLSPSVTESDLEERFSRFGTVSDVEIIKKKDAGPDRGFAYIDLRTSEAQLKKCKST 61
Query: 93 DNLNGVKVLSRTIRVD 108
LNG K ++++
Sbjct: 62 --LNGTKWKGSVLKIE 75
>gnl|CDD|241168 cd12724, RRM1_CPEB2_like, RNA recognition motif 1 in cytoplasmic
polyadenylation element-binding protein CPEB-2, CPEB-3,
CPEB-4 and similar protiens. This subgroup corresponds
to the RRM1 of the paralog proteins CPEB-2, CPEB-3 and
CPEB-4, all well-conserved in both, vertebrates and
invertebrates. Due to the high sequence similarity,
members in this family may share similar expression
patterns and functions. CPEB-2 is an RNA-binding
protein that is abundantly expressed in testis and
localized in cytoplasm in transfected HeLa cells. It
preferentially binds to poly(U) RNA oligomers and may
regulate the translation of stored mRNAs during
spermiogenesis. Moreover, CPEB-2 impedes target RNA
translation at elongation; it directly interacts with
the elongation factor, eEF2, to reduce
eEF2/ribosome-activated GTP hydrolysis in vitro and
inhibit peptide elongation of CPEB2-bound RNA in vivo.
CPEB-3 is a sequence-specific translational regulatory
protein that regulates translation in a
polyadenylation-independent manner. It functions as a
translational repressor that governs the synthesis of
the AMPA receptor GluR2 through binding GluR2 mRNA. It
also represses translation of a reporter RNA in
transfected neurons and stimulates translation in
response to NMDA. CPEB-4 is an RNA-binding protein that
mediates meiotic mRNA cytoplasmic polyadenylation and
translation. It is essential for neuron survival and
present on the endoplasmic reticulum (ER). It is
accumulated in the nucleus upon ischemia or the
depletion of ER calcium. CPEB-4 is overexpressed in a
large variety of tumors and is associated with many
mRNAs in cancer cells. All family members contain an
N-terminal unstructured region, two RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains)
or RNPs (ribonucleoprotein domains), and a Zn-finger
motif. In addition, they do have conserved nuclear
export signals that are not present in CPEB-1. .
Length = 92
Score = 36.3 bits (84), Expect = 0.001
Identities = 20/59 (33%), Positives = 32/59 (54%), Gaps = 12/59 (20%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRD---KITGKS----KGFCFICYEDQRS 87
+FVGGLP D+ E ++ F ++G LV D K KS KG+ F+ ++++ S
Sbjct: 3 VFVGGLPPDIDEDEITASFRRFGP-----LVVDWPHKAESKSYFPPKGYAFLLFQEESS 56
>gnl|CDD|241058 cd12614, RRM1_PUB1, RNA recognition motif 1 in yeast nuclear and
cytoplasmic polyadenylated RNA-binding protein PUB1 and
similar proteins. This subgroup corresponds to the RRM1
of yeast protein PUB1, also termed ARS consensus-binding
protein ACBP-60, or poly uridylate-binding protein, or
poly(U)-binding protein. PUB1 has been identified as
both, a heterogeneous nuclear RNA-binding protein
(hnRNP) and a cytoplasmic mRNA-binding protein (mRNP),
which may be stably bound to a translationally inactive
subpopulation of mRNAs within the cytoplasm. It is
distributed in both, the nucleus and the cytoplasm, and
binds to poly(A)+ RNA (mRNA or pre-mRNA). Although it is
one of the major cellular proteins cross-linked by UV
light to polyadenylated RNAs in vivo, PUB1 is
nonessential for cell growth in yeast. PUB1 also binds
to T-rich single stranded DNA (ssDNA); however, there is
no strong evidence implicating PUB1 in the mechanism of
DNA replication. PUB1 contains three RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains), and a GAR motif
(glycine and arginine rich stretch) that is located
between RRM2 and RRM3. .
Length = 74
Score = 36.0 bits (83), Expect = 0.001
Identities = 19/73 (26%), Positives = 37/73 (50%), Gaps = 1/73 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG L ++E + IF G + N+ ++ DK K + F+ Y +++ L
Sbjct: 1 LYVGNLDPRVTEDILKQIFQVGGPVQNVKIIPDK-NNKGVNYGFVEYHQSHDAEIALQTL 59
Query: 96 NGVKVLSRTIRVD 108
NG ++ + IRV+
Sbjct: 60 NGRQIENNEIRVN 72
>gnl|CDD|241119 cd12675, RRM2_Nop4p, RNA recognition motif 2 in yeast nucleolar
protein 4 (Nop4p) and similar proteins. This subgroup
corresponds to the RRM2 of Nop4p (also known as Nop77p),
encoded by YPL043W from Saccharomyces cerevisiae. It is
an essential nucleolar protein involved in processing
and maturation of 27S pre-rRNA and biogenesis of 60S
ribosomal subunits. Nop4p has four RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains). .
Length = 83
Score = 36.0 bits (83), Expect = 0.001
Identities = 16/56 (28%), Positives = 34/56 (60%), Gaps = 1/56 (1%)
Query: 53 IFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRVD 108
IF +YG++ + R + GK GF F+ + +++ ++++N NG+++ R + VD
Sbjct: 21 IFGRYGKVREATIPRKR-GGKLCGFAFVTMKKRKNAEIALENTNGLEIDGRPVAVD 75
>gnl|CDD|240726 cd12280, RRM_FET, RNA recognition motif in the FET family of
RNA-binding proteins. This subfamily corresponds to the
RRM of FET (previously TET) (FUS/TLS, EWS, TAF15) family
of RNA-binding proteins. This ubiquitously expressed
family of similarly structured proteins predominantly
localizing to the nuclear, includes FUS (also known as
TLS or Pigpen or hnRNP P2), EWS (also known as EWSR1),
TAF15 (also known as hTAFII68 or TAF2N or RPB56), and
Drosophila Cabeza (also known as SARFH). The
corresponding coding genes of these proteins are
involved in deleterious genomic rearrangements with
transcription factor genes in a variety of human
sarcomas and acute leukemias. All FET proteins interact
with each other and are therefore likely to be part of
the very same protein complexes, which suggests a
general bridging role for FET proteins coupling RNA
transcription, processing, transport, and DNA repair.
The FET proteins contain multiple copies of a degenerate
hexapeptide repeat motif at the N-terminus. The
C-terminal region consists of a conserved nuclear import
and retention signal (C-NLS), a putative zinc-finger
domain, and a conserved RNA recognition motif (RRM),
also known as RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), which is flanked by 3
arginine-glycine-glycine (RGG) boxes. FUS and EWS might
have similar sequence specificity; both bind
preferentially to GGUG-containing RNAs. FUS has also
been shown to bind strongly to human telomeric RNA and
to small low-copy-number RNAs tethered to the promoter
of cyclin D1. To date, nothing is known about the RNA
binding specificity of TAF15. .
Length = 81
Score = 35.8 bits (83), Expect = 0.002
Identities = 19/80 (23%), Positives = 36/80 (45%), Gaps = 9/80 (11%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIV--------NLNLVRDKITGKSKGFCFICYEDQRS 87
I++ GLP D++E + +F G I + + DK + KG + Y+D +
Sbjct: 1 IYISGLPDDVTEDSLAELFGGIGIIKRDKRTWPPMIKIYTDK-ETEPKGEATVTYDDPSA 59
Query: 88 TVLSVDNLNGVKVLSRTIRV 107
+++ NG + I+V
Sbjct: 60 AQAAIEWFNGYEFRGNKIKV 79
>gnl|CDD|241050 cd12606, RRM1_RBM4, RNA recognition motif 1 in vertebrate
RNA-binding protein 4 (RBM4). This subgroup corresponds
to the RRM1 of RBM4, a ubiquitously expressed splicing
factor that has two isoforms, RBM4A (also known as Lark
homolog) and RBM4B (also known as RBM30), which are very
similar in structure and sequence. RBM4 may function as
a translational regulator of stress-associated mRNAs and
also plays a role in micro-RNA-mediated gene regulation.
RBM4 contains two N-terminal RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), a CCHC-type zinc finger,
and three alanine-rich regions within their C-terminal
regions. The C-terminal region may be crucial for
nuclear localization and protein-protein interaction.
The RRMs, in combination with the C-terminal region, are
responsible for the splicing function of RBM4. .
Length = 67
Score = 35.2 bits (81), Expect = 0.002
Identities = 18/73 (24%), Positives = 40/73 (54%), Gaps = 8/73 (10%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG LP + +E ++ +F QYG+++ +++ K + F+ +D+ + ++ NL
Sbjct: 3 LFVGNLPPEATEQEIRSLFEQYGKVLECDII--------KNYGFVHMDDKTAADEAIRNL 54
Query: 96 NGVKVLSRTIRVD 108
+ K+ I V+
Sbjct: 55 HHYKLHGVAINVE 67
>gnl|CDD|240679 cd12233, RRM_Srp1p_AtRSp31_like, RNA recognition motif found in
fission yeast pre-mRNA-splicing factor Srp1p,
Arabidopsis thaliana arginine/serine-rich-splicing
factor RSp31 and similar proteins. This subfamily
corresponds to the RRM of Srp1p and RRM2 of plant SR
splicing factors. Srp1p is encoded by gene srp1 from
fission yeast Schizosaccharomyces pombe. It plays a role
in the pre-mRNA splicing process, but is not essential
for growth. Srp1p is closely related to the SR protein
family found in Metazoa. It contains an N-terminal RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), a glycine
hinge and a RS domain in the middle, and a C-terminal
domain. The family also includes a novel group of
arginine/serine (RS) or serine/arginine (SR) splicing
factors existing in plants, such as A. thaliana RSp31,
RSp35, RSp41 and similar proteins. Like vertebrate RS
splicing factors, these proteins function as plant
splicing factors and play crucial roles in constitutive
and alternative splicing in plants. They all contain two
RRMs at their N-terminus and an RS domain at their
C-terminus.
Length = 70
Score = 35.1 bits (81), Expect = 0.002
Identities = 18/76 (23%), Positives = 35/76 (46%), Gaps = 9/76 (11%)
Query: 36 IFVGGL-PYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
+FV G P E D+ +F +G +V ++ K F F+ +ED +++
Sbjct: 2 LFVVGFDPGTTREEDIEKLFEPFGPLVRCDI--------RKTFAFVEFEDSEDATKALEA 53
Query: 95 LNGVKVLSRTIRVDHV 110
L+G ++ + V+ V
Sbjct: 54 LHGSRIDGSVLTVEFV 69
>gnl|CDD|240995 cd12551, RRM_II_PABPN1L, RNA recognition motif in vertebrate type
II embryonic polyadenylate-binding protein 2 (ePABP-2).
This subgroup corresponds to the RRM of ePABP-2, also
termed embryonic poly(A)-binding protein 2, or
poly(A)-binding protein nuclear-like 1 (PABPN1L).
ePABP-2 is a novel embryonic-specific cytoplasmic type
II poly(A)-binding protein that is expressed during the
early stages of vertebrate development and in adult
ovarian tissue. It may play an important role in the
poly(A) metabolism of stored mRNAs during early
vertebrate development. ePABP-2 shows significant
sequence similarity to the ubiquitously expressed
nuclear polyadenylate-binding protein 2 (PABP-2 or
PABPN1). Like PABP-2, ePABP-2 contains one RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), which is
responsible for the poly(A) binding. In addition, it
possesses an acidic N-terminal domain predicted to form
a coiled-coil and an arginine-rich C-terminal domain. .
Length = 77
Score = 35.2 bits (81), Expect = 0.002
Identities = 19/72 (26%), Positives = 36/72 (50%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG + Y + ++ FS G I + ++ DK +G KG+ +I + R +V + L
Sbjct: 2 VYVGNVDYGSTAEELEAHFSGCGPINRVTILCDKFSGHPKGYAYIEF-ATRDSVEAAVAL 60
Query: 96 NGVKVLSRTIRV 107
+ R I+V
Sbjct: 61 DESSFRGRVIKV 72
>gnl|CDD|240814 cd12368, RRM3_RBM45, RNA recognition motif 3 in RNA-binding
protein 45 (RBM45) and similar proteins. This
subfamily corresponds to the RRM3 of RBM45, also termed
developmentally-regulated RNA-binding protein 1 (DRB1),
a new member of RNA recognition motif (RRM)-type neural
RNA-binding proteins, which expresses under
spatiotemporal control. It is encoded by gene drb1 that
is expressed in neurons, not in glial cells. RBM45
predominantly localizes in cytoplasm of cultured cells
and specifically binds to poly(C) RNA. It could play an
important role during neurogenesis. RBM45 carries four
RRMs, also known as RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). .
Length = 75
Score = 35.0 bits (81), Expect = 0.002
Identities = 15/35 (42%), Positives = 22/35 (62%)
Query: 65 LVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVK 99
L RD TGKSKGF ++ Y + S + + + LNG +
Sbjct: 31 LKRDPYTGKSKGFAYVTYSNPASAIYAKEKLNGFE 65
>gnl|CDD|240721 cd12275, RRM1_MEI2_EAR1_like, RNA recognition motif 1 in Mei2-like
proteins and terminal EAR1-like proteins. This
subfamily corresponds to the RRM1 of Mei2-like proteins
from plant and fungi, terminal EAR1-like proteins from
plant, and other eukaryotic homologs. Mei2-like proteins
represent an ancient eukaryotic RNA-binding protein
family whose corresponding Mei2-like genes appear to
have arisen early in eukaryote evolution, been lost from
some lineages such as Saccharomyces cerevisiae and
metazoans, and diversified in the plant lineage. The
plant Mei2-like genes may function in cell fate
specification during development, rather than as
stimulators of meiosis. In the fission yeast
Schizosaccharomyces pombe, the Mei2 protein is an
essential component of the switch from mitotic to
meiotic growth. S. pombe Mei2 stimulates meiosis in the
nucleus upon binding a specific non-coding RNA. The
terminal EAR1-like protein 1 and 2 (TEL1 and TEL2) are
mainly found in land plants. They may play a role in the
regulation of leaf initiation. All members in this
family are putative RNA-binding proteins carrying three
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains). In
addition to the RRMs, the terminal EAR1-like proteins
also contain TEL characteristic motifs that allow
sequence and putative functional discrimination between
them and Mei2-like proteins. .
Length = 71
Score = 34.8 bits (80), Expect = 0.003
Identities = 17/73 (23%), Positives = 33/73 (45%), Gaps = 5/73 (6%)
Query: 33 SAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSV 92
S +FV +P D++E + +F YG++ + R S+G + + D R +V
Sbjct: 1 SRSLFVINVPRDVTESTLRRLFEVYGDVRGVQTER-----ISEGIVTVHFYDIRDAKRAV 55
Query: 93 DNLNGVKVLSRTI 105
L G + + +
Sbjct: 56 RELCGRHMQQQAL 68
>gnl|CDD|241047 cd12603, RRM_hnRNPC, RNA recognition motif in vertebrate
heterogeneous nuclear ribonucleoprotein C1/C2 (hnRNP
C1/C2). This subgroup corresponds to the RRM of
heterogeneous nuclear ribonucleoprotein C (hnRNP)
proteins C1 and C2, produced by a single coding
sequence. They are the major constituents of the
heterogeneous nuclear RNA (hnRNA) ribonucleoprotein
(hnRNP) complex in vertebrates. They bind hnRNA tightly,
suggesting a central role in the formation of the
ubiquitous hnRNP complex. They are involved in the
packaging of hnRNA in the nucleus and in processing of
pre-mRNA such as splicing and 3'-end formation. hnRNP C
proteins contain two distinct domains, an N-terminal RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), and a
C-terminal auxiliary domain that includes the variable
region, the basic region and the KSG box rich in
repeated Lys-Ser-Gly sequences, the leucine zipper, and
the acidic region. The RRM is capable of binding
poly(U). The KSG box may bind to RNA. The leucine zipper
may be involved in dimer formation. The acidic and
hydrophilic C-teminus harbors a putative nucleoside
triphosphate (NTP)-binding fold and a protein kinase
phosphorylation site. .
Length = 71
Score = 35.0 bits (80), Expect = 0.003
Identities = 20/74 (27%), Positives = 39/74 (52%), Gaps = 9/74 (12%)
Query: 36 IFVGGLPYDL-SEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
+F+G L + + DV IFS+YG+IV ++ KGF F+ Y ++R+ +V
Sbjct: 4 VFIGNLNTLVVKKSDVEAIFSKYGKIVGCSV--------HKGFAFVQYVNERNARAAVAG 55
Query: 95 LNGVKVLSRTIRVD 108
+G + + + ++
Sbjct: 56 EDGRMIAGQVLDIN 69
>gnl|CDD|241039 cd12595, RRM1_SRSF5, RNA recognition motif 1 in vertebrate
serine/arginine-rich splicing factor 5 (SRSF5). This
subgroup corresponds to the RRM1 of SRSF5, also termed
delayed-early protein HRS, or pre-mRNA-splicing factor
SRp40, or splicing factor, arginine/serine-rich 5
(SFRS5). SFSF5 is an essential splicing regulatory
serine/arginine (SR) protein that regulates both
alternative splicing and basal splicing. It is the only
SR protein efficiently selected from nuclear extracts
(NE) by the splicing enhancer (ESE) and it is necessary
for enhancer activation. SRSF5 also functions as a
factor required for insulin-regulated splice site
selection for protein kinase C (PKC) betaII mRNA. It is
involved in the regulation of PKCbetaII exon inclusion
by insulin via its increased phosphorylation by a
phosphatidylinositol 3-kinase (PI 3-kinase) signaling
pathway. Moreover, SRSF5 can regulate alternative
splicing in exon 9 of glucocorticoid receptor pre-mRNA
in a dose-dependent manner. SRSF5 contains two
N-terminal RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), followed by a C-terminal RS domains rich in
serine-arginine dipeptides. The specific RNA binding by
SRSF5 requires the phosphorylation of its SR domain. .
Length = 70
Score = 34.5 bits (79), Expect = 0.004
Identities = 21/74 (28%), Positives = 37/74 (50%), Gaps = 8/74 (10%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+F+G L E DV F YG I +++L R GF F+ ++D R +V L
Sbjct: 2 VFIGRLNPAAREKDVERFFKGYGRIRDIDLKR--------GFGFVEFDDPRDADDAVYEL 53
Query: 96 NGVKVLSRTIRVDH 109
+G ++ + + ++H
Sbjct: 54 DGKELCNERVTIEH 67
>gnl|CDD|240909 cd12463, RRM_G3BP1, RNA recognition motif found in ras
GTPase-activating protein-binding protein 1 (G3BP1) and
similar proteins. This subgroup corresponds to the RRM
of G3BP1, also termed ATP-dependent DNA helicase VIII
(DH VIII), or GAP SH3 domain-binding protein 1, which
has been identified as a phosphorylation-dependent
endoribonuclease that interacts with the SH3 domain of
RasGAP, a multi-functional protein controlling Ras
activity. The acidic RasGAP binding domain of G3BP1
harbors an arsenite-regulated phosphorylation site and
dominantly inhibits stress granule (SG) formation.
G3BP1 also contains an N-terminal nuclear transfer
factor 2 (NTF2)-like domain, an RNA recognition motif
(RRM domain), and an Arg-Gly-rich region (RGG-rich
region, or arginine methylation motif). The RRM domain
and RGG-rich region are canonically associated with RNA
binding. G3BP1 co-immunoprecipitates with mRNAs. It
binds to and cleaves the 3'-untranslated region
(3'-UTR) of the c-myc mRNA in a
phosphorylation-dependent manner. Thus, G3BP1 may play
a role in coupling extra-cellular stimuli to mRNA
stability. It has been shown that G3BP1 is a novel
Dishevelled-associated protein that is methylated upon
Wnt3a stimulation and that arginine methylation of
G3BP1 regulates both Ctnnb1 mRNA and canonical
Wnt/beta-catenin signaling. Furthermore, G3BP1 can be
associated with the 3'-UTR of beta-F1 mRNA in
cytoplasmic RNA-granules, demonstrating that G3BP1 may
specifically repress the translation of the transcript.
Length = 80
Score = 34.9 bits (80), Expect = 0.004
Identities = 20/53 (37%), Positives = 30/53 (56%), Gaps = 3/53 (5%)
Query: 32 DSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYED 84
DS +FVG LP+D+ + ++ F QYG +V L R GK F F+ ++D
Sbjct: 2 DSHQLFVGNLPHDVDKSELKEFFQQYGNVVEL---RINSGGKLPNFGFVVFDD 51
>gnl|CDD|241038 cd12594, RRM1_SRSF4, RNA recognition motif 1 in vertebrate
serine/arginine-rich splicing factor 4 (SRSF4). This
subgroup corresponds to the RRM1 of SRSF4, also termed
pre-mRNA-splicing factor SRp75, or SRP001LB, or splicing
factor, arginine/serine-rich 4 (SFRS4). SRSF4 is a
splicing regulatory serine/arginine (SR) protein that
plays an important role in both constitutive splicing
and alternative splicing of many pre-mRNAs. For
instance, it interacts with heterogeneous nuclear
ribonucleoproteins, hnRNP G and hnRNP E2, and further
regulates the 5' splice site of tau exon 10, whose
misregulation causes frontotemporal dementia. SFSF4 also
induces production of HIV-1 vpr mRNA through the
inhibition of the 5'-splice site of exon 3. In addition,
it activates splicing of the cardiac troponin T (cTNT)
alternative exon by direct interactions with the cTNT
exon 5 enhancer RNA. SRSF4 can shuttle between the
nucleus and cytoplasm. It contains an N-terminal RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), a
glycine-rich region, an internal region homologous to
the RRM, and a very long, highly phosphorylated
C-terminal SR domains rich in serine-arginine
dipeptides. .
Length = 74
Score = 34.6 bits (79), Expect = 0.004
Identities = 21/74 (28%), Positives = 36/74 (48%), Gaps = 8/74 (10%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++G L Y E DV F YG+I+ ++L G+ F+ ++D R +V L
Sbjct: 2 VYIGRLSYQARERDVERFFKGYGKILEVDL--------KNGYGFVEFDDLRDADDAVYEL 53
Query: 96 NGVKVLSRTIRVDH 109
NG + + V+H
Sbjct: 54 NGKDLCGERVIVEH 67
>gnl|CDD|241053 cd12609, RRM2_CoAA, RNA recognition motif 2 in vertebrate
RRM-containing coactivator activator/modulator (CoAA).
This subgroup corresponds to the RRM2 of CoAA, also
termed RNA-binding protein 14 (RBM14), or paraspeckle
protein 2 (PSP2), or synaptotagmin-interacting protein
(SYT-interacting protein), a heterogeneous nuclear
ribonucleoprotein (hnRNP)-like protein identified as a
nuclear receptor coactivator. It mediates
transcriptional coactivation and RNA splicing effects in
a promoter-preferential manner and is enhanced by
thyroid hormone receptor-binding protein (TRBP). CoAA
contains two N-terminal RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and a TRBP-interacting
domain. It stimulates transcription through its
interactions with coactivators, such as TRBP and
CREB-binding protein CBP/p300, via the TRBP-interacting
domain and interaction with an RNA-containing complex,
such as DNA-dependent protein kinase-poly(ADP-ribose)
polymerase complexes, via the RRMs. .
Length = 68
Score = 34.5 bits (79), Expect = 0.004
Identities = 18/73 (24%), Positives = 36/73 (49%), Gaps = 8/73 (10%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IFVG + + ++ +F ++G +V + V K + F+ E + + +++ L
Sbjct: 3 IFVGNVSATCTSDELRGLFEEFGRVVECDKV--------KDYAFVHMEREEEALAAIEAL 54
Query: 96 NGVKVLSRTIRVD 108
NG +V R I V+
Sbjct: 55 NGKEVKGRRINVE 67
>gnl|CDD|241031 cd12587, RRM1_PSF, RNA recognition motif 1 in vertebrate
polypyrimidine tract-binding protein
(PTB)-associated-splicing factor (PSF). This subgroup
corresponds to the RRM1 of PSF, also termed proline- and
glutamine-rich splicing factor, or 100 kDa DNA-pairing
protein (POMp100), or 100 kDa subunit of DNA-binding
p52/p100 complex, a multifunctional protein that
mediates diverse activities in the cell. It is
ubiquitously expressed and highly conserved in
vertebrates. PSF binds not only RNA but also both
single-stranded DNA (ssDNA) and double-stranded DNA
(dsDNA) and facilitates the renaturation of
complementary ssDNAs. Besides, it promotes the formation
of D-loops in superhelical duplex DNA, and is involved
in cell proliferation. PSF can also interact with
multiple factors. It is an RNA-binding component of
spliceosomes and binds to insulin-like growth factor
response element (IGFRE). PSF functions as a
transcriptional repressor interacting with Sin3A and
mediating silencing through the recruitment of histone
deacetylases (HDACs) to the DNA binding domain (DBD) of
nuclear hormone receptors. Additionally, PSF is an
essential pre-mRNA splicing factor and is dissociated
from PTB and binds to U1-70K and serine-arginine (SR)
proteins during apoptosis. PSF forms a heterodimer with
the nuclear protein p54nrb, also known as non-POU
domain-containing octamer-binding protein (NonO). The
PSF/p54nrb complex displays a variety of functions, such
as DNA recombination and RNA synthesis, processing, and
transport. PSF contains two conserved RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains), which are responsible
for interactions with RNA and for the localization of
the protein in speckles. It also contains an N-terminal
region rich in proline, glycine, and glutamine residues,
which may play a role in interactions recruiting other
molecules. .
Length = 71
Score = 34.5 bits (79), Expect = 0.004
Identities = 22/72 (30%), Positives = 36/72 (50%), Gaps = 6/72 (8%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG LP D++E + +F++YGE + K KGF FI E + ++ L
Sbjct: 4 LFVGNLPADITEDEFKKLFAKYGEPGEV------FINKGKGFGFIKLESRALAEIAKAEL 57
Query: 96 NGVKVLSRTIRV 107
+ + R +RV
Sbjct: 58 DDTPMRGRQLRV 69
>gnl|CDD|240670 cd12224, RRM_RBM22, RNA recognition motif (RRM) found in
Pre-mRNA-splicing factor RBM22 and similar proteins.
This subgroup corresponds to the RRM of RBM22 (also
known as RNA-binding motif protein 22, or Zinc finger
CCCH domain-containing protein 16), a newly discovered
RNA-binding motif protein which belongs to the SLT11
gene family. SLT11 gene encoding protein (Slt11p) is a
splicing factor in yeast, which is required for
spliceosome assembly. Slt11p has two distinct
biochemical properties: RNA-annealing and RNA-binding
activities. RBM22 is the homolog of SLT11 in
vertebrate. It has been reported to be involved in
pre-splicesome assembly and to interact with the
Ca2+-signaling protein ALG-2. It also plays an
important role in embryogenesis. RBM22 contains a
conserved RNA recognition motif (RRM), also known as
RBD (RNA binding domain) or RNP (ribonucleoprotein
domain), a zinc finger of the unusual type
C-x8-C-x5-C-x3-H, and a C-terminus that is unusually
rich in the amino acids Gly and Pro, including
sequences of tetraprolines.
Length = 74
Score = 34.2 bits (79), Expect = 0.005
Identities = 13/47 (27%), Positives = 25/47 (53%), Gaps = 6/47 (12%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICY 82
++VGGL ++E D+ F Q+GEI ++ +V + F+ +
Sbjct: 4 LYVGGLGERVTEKDLRDHFYQFGEIRSITVV------PRQQCAFVTF 44
>gnl|CDD|219746 pfam08208, RNA_polI_A34, DNA-directed RNA polymerase I subunit
RPA34.5. This is a family of proteins conserved from
yeasts to human. Subunit A34.5 of RNA polymerase I is a
non-essential subunit which is thought to help Pol I
overcome topological constraints imposed on ribosomal
DNA during the process of transcription.
Length = 193
Score = 36.2 bits (84), Expect = 0.005
Identities = 17/53 (32%), Positives = 27/53 (50%)
Query: 147 KTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
+ E + + E ++KK K K+K+VKKEKK+KK +K+ S
Sbjct: 136 EKETTAKVEKEAEVEEEEKKEKKKKKEVKKEKKEKKDKKEKMVEPKGSKKKKK 188
Score = 32.8 bits (75), Expect = 0.077
Identities = 17/51 (33%), Positives = 27/51 (52%)
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSS 195
T +++E + + E K+KK+K + KK KKEKK KK++ S
Sbjct: 137 KETTAKVEKEAEVEEEEKKEKKKKKEVKKEKKEKKDKKEKMVEPKGSKKKK 187
Score = 32.0 bits (73), Expect = 0.13
Identities = 17/61 (27%), Positives = 25/61 (40%)
Query: 135 APGTEFGSILPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSS 194
AP + K+ E++ ++ + KEKK KKE KK+KK KK
Sbjct: 120 APDGPPSELGSESETSEKETTAKVEKEAEVEEEEKKEKKKKKEVKKEKKEKKDKKEKMVE 179
Query: 195 S 195
Sbjct: 180 P 180
Score = 30.1 bits (68), Expect = 0.53
Identities = 15/35 (42%), Positives = 23/35 (65%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
K++K+ K + + K +K K + K KKKKKK+KK
Sbjct: 158 KKKKEVKKEKKEKKDKKEKMVEPKGSKKKKKKKKK 192
Score = 28.5 bits (64), Expect = 1.9
Identities = 18/34 (52%), Positives = 22/34 (64%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRK 185
K+E + E KDKK K E K K+KKKKKK+K
Sbjct: 160 KKEVKKEKKEKKDKKEKMVEPKGSKKKKKKKKKK 193
>gnl|CDD|240867 cd12421, RRM1_PTBP1_hnRNPL_like, RNA recognition motif in
polypyrimidine tract-binding protein 1 (PTB or hnRNP
I), heterogeneous nuclear ribonucleoprotein L
(hnRNP-L), and similar proteins. This subfamily
corresponds to the RRM1 of the majority of family
members that include polypyrimidine tract-binding
protein 1 (PTB or hnRNP I), polypyrimidine
tract-binding protein 2 (PTBP2 or nPTB), regulator of
differentiation 1 (Rod1), heterogeneous nuclear
ribonucleoprotein L (hnRNP-L), heterogeneous nuclear
ribonucleoprotein L-like (hnRNP-LL), polypyrimidine
tract-binding protein homolog 3 (PTBPH3),
polypyrimidine tract-binding protein homolog 1 and 2
(PTBPH1 and PTBPH2), and similar proteins. PTB is an
important negative regulator of alternative splicing in
mammalian cells and also functions at several other
aspects of mRNA metabolism, including mRNA
localization, stabilization, polyadenylation, and
translation. PTBP2 is highly homologous to PTB and is
perhaps specific to the vertebrates. Unlike PTB, PTBP2
is enriched in the brain and in some neural cell lines.
It binds more stably to the downstream control sequence
(DCS) RNA than PTB does but is a weaker repressor of
splicing in vitro. PTBP2 also greatly enhances the
binding of two other proteins, heterogeneous nuclear
ribonucleoprotein (hnRNP) H and KH-type
splicing-regulatory protein (KSRP), to the DCS RNA. The
binding properties of PTBP2 and its reduced inhibitory
activity on splicing imply roles in controlling the
assembly of other splicing-regulatory proteins. Rod1 is
a mammalian polypyrimidine tract binding protein (PTB)
homolog of a regulator of differentiation in the
fission yeast Schizosaccharomyces pombe, where the nrd1
gene encodes an RNA binding protein negatively
regulates the onset of differentiation. ROD1 is
predominantly expressed in hematopoietic cells or
organs. It might play a role controlling
differentiation in mammals. hnRNP-L is a higher
eukaryotic specific subunit of human KMT3a (also known
as HYPB or hSet2) complex required for histone H3
Lys-36 trimethylation activity. It plays both, nuclear
and cytoplasmic, roles in mRNA export of intronless
genes, IRES-mediated translation, mRNA stability, and
splicing. hnRNP-LL protein plays a critical and unique
role in the signal-induced regulation of CD45 and acts
as a global regulator of alternative splicing in
activated T cells. The family also includes
polypyrimidine tract binding protein homolog 3 (PTBPH3)
found in plant. Although its biological roles remain
unclear, PTBPH3 shows significant sequence similarity
to other family members, all of which contain four RNA
recognition motifs (RRM), also known as RBD (RNA
binding domain) or RNP (ribonucleoprotein domain).
Although their biological roles remain unclear, both
PTBPH1 and PTBPH2 show significant sequence similarity
to PTB. However, in contrast to PTB, they have three
RRMs. In addition, this family also includes
RNA-binding motif protein 20 (RBM20) that is an
alternative splicing regulator associated with dilated
cardiomyopathy (DCM) and contains only one RRM. .
Length = 74
Score = 34.1 bits (79), Expect = 0.005
Identities = 12/34 (35%), Positives = 23/34 (67%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDK 69
+ + LP D++E D+I + S +G++ N+ L+R K
Sbjct: 2 LHLRNLPPDVTESDLIALVSPFGKVTNVLLLRGK 35
>gnl|CDD|241003 cd12559, RRM_SRSF10, RNA recognition motif in serine/arginine-rich
splicing factor 10 (SRSF10) and similar proteins. This
subgroup corresponds to the RRM of SRSF10, also termed
40 kDa SR-repressor protein (SRrp40), or FUS-interacting
serine-arginine-rich protein 1 (FUSIP1), or splicing
factor SRp38, or splicing factor, arginine/serine-rich
13A (SFRS13A), or TLS-associated protein with Ser-Arg
repeats (TASR). SRSF10 is a serine-arginine (SR) protein
that acts as a potent and general splicing repressor
when dephosphorylated. It mediates global inhibition of
splicing both in M phase of the cell cycle and in
response to heat shock. SRSF10 emerges as a modulator of
cholesterol homeostasis through the regulation of
low-density lipoprotein receptor (LDLR) splicing
efficiency. It also regulates cardiac-specific
alternative splicing of triadin pre-mRNA and is required
for proper Ca2+ handling during embryonic heart
development. In contrast, the phosphorylated SRSF10
functions as a sequence-specific splicing activator in
the presence of a nuclear cofactor. It activates distal
alternative 5' splice site of adenovirus E1A pre-mRNA in
vivo. Moreover, SRSF10 strengthens pre-mRNA recognition
by U1 and U2 snRNPs. SRSF10 localizes to the nuclear
speckles and can shuttle between nucleus and cytoplasm.
It contains a single N-terminal RNA recognition motif
(RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), followed by a C-terminal RS
domain rich in serine-arginine dipeptides. .
Length = 84
Score = 34.6 bits (79), Expect = 0.005
Identities = 23/82 (28%), Positives = 40/82 (48%), Gaps = 1/82 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FV + D D+ F +YG IV++ + D T + +GF ++ +ED R ++ NL
Sbjct: 3 LFVRNIADDTRSEDLRREFGRYGPIVDVYVPLDFYTRRPRGFAYVQFEDVRDAEDALHNL 62
Query: 96 NGVKVLSRTIRVDHVN-DYKPP 116
+ + R I + D K P
Sbjct: 63 DRKWICGRQIEIQFAQGDRKTP 84
>gnl|CDD|241207 cd12763, RRM1_hnRNPA3, RNA recognition motif 1 in heterogeneous
nuclear ribonucleoprotein A3 (hnRNP A3) and similar
proteins. This subgroup corresponds to the RRM1 of
hnRNP A3 which is a novel RNA trafficking response
element-binding protein that interacts with the hnRNP
A2 response element (A2RE) independently of hnRNP A2
and participates in the trafficking of A2RE-containing
RNA. hnRNP A3 can shuttle between the nucleus and the
cytoplasm. It contains two RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), followed by a long
glycine-rich region at the C-terminus. .
Length = 81
Score = 34.3 bits (78), Expect = 0.006
Identities = 14/47 (29%), Positives = 30/47 (63%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICY 82
+F+GGL ++ ++ + F ++G + + ++RD T +S+GF F+ Y
Sbjct: 5 LFIGGLSFETTDDSLREHFEKWGTLTDCVVMRDPQTKRSRGFGFVTY 51
>gnl|CDD|240897 cd12451, RRM2_NUCLs, RNA recognition motif 2 in nucleolin-like
proteins mainly from plants. This subfamily corresponds
to the RRM2 of a group of plant nucleolin-like proteins,
including nucleolin 1 (also termed protein nucleolin
like 1) and nucleolin 2 (also termed protein nucleolin
like 2, or protein parallel like 1). They play roles in
the regulation of ribosome synthesis and in the growth
and development of plants. Like yeast nucleolin,
nucleolin-like proteins possess two RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains). .
Length = 79
Score = 34.3 bits (79), Expect = 0.006
Identities = 24/77 (31%), Positives = 38/77 (49%), Gaps = 5/77 (6%)
Query: 36 IFVGGLPYDLSEGDV----ICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLS 91
IFV G L E D+ FS GEI +++ D+ TG SKGF +I ++ +
Sbjct: 2 IFVKGFDSSLGEDDIRRSLTEHFSSCGEITRVSIPTDRETGASKGFAYIEFKSVDGVEKA 61
Query: 92 VDNLNGVKVLSRTIRVD 108
++ L+G + + VD
Sbjct: 62 LE-LDGSDLGGGNLVVD 77
>gnl|CDD|240768 cd12322, RRM2_TDP43, RNA recognition motif 2 in TAR DNA-binding
protein 43 (TDP-43) and similar proteins. This
subfamily corresponds to the RRM2 of TDP-43 (also
termed TARDBP), a ubiquitously expressed pathogenic
protein whose normal function and abnormal aggregation
are directly linked to the genetic disease cystic
fibrosis, and two neurodegenerative disorders:
frontotemporal lobar degeneration (FTLD) and
amyotrophic lateral sclerosis (ALS). TDP-43 binds both
DNA and RNA, and has been implicated in transcriptional
repression, pre-mRNA splicing and translational
regulation. TDP-43 is a dimeric protein with two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
and a C-terminal glycine-rich domain. The RRMs are
responsible for DNA and RNA binding; they bind to TAR
DNA and RNA sequences with UG-repeats. The glycine-rich
domain can interact with the hnRNP family proteins to
form the hnRNP-rich complex involved in splicing
inhibition. It is also essential for the cystic
fibrosis transmembrane conductance regulator (CFTR)
exon 9-skipping activity. .
Length = 71
Score = 33.8 bits (78), Expect = 0.006
Identities = 15/49 (30%), Positives = 28/49 (57%), Gaps = 5/49 (10%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYED 84
+FVG L D++E D+ FSQ+GE+ ++ + + + F F+ + D
Sbjct: 3 VFVGRLTEDMTEEDLRQYFSQFGEVTDVYIPKP-----FRAFAFVTFAD 46
>gnl|CDD|240271 PTZ00108, PTZ00108, DNA topoisomerase 2-like protein; Provisional.
Length = 1388
Score = 36.6 bits (85), Expect = 0.007
Identities = 24/115 (20%), Positives = 43/115 (37%)
Query: 85 QRSTVLSVDNLNGVKVLSRTIRVDHVNDYKPPKDNKYTDEETKKLRTIGCAPGTEFGSIL 144
+ + S D+L+ + Y PP +K D E+ + L
Sbjct: 1255 EDNDEFSSDDLSKEGKPKNAPKRVSAVQYSPPPPSKRPDGESNGGSKPSSPTKKKVKKRL 1314
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
+K++K S+ ++ KK K + K+ + + R+ S SSS D D
Sbjct: 1315 EGSLAALKKKKKSEKKTARKKKSKTRVKQASASQSSRLLRRPRKKKSDSSSEDDD 1369
Score = 28.1 bits (63), Expect = 4.1
Identities = 15/51 (29%), Positives = 22/51 (43%)
Query: 149 EDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
++I +E+ K + K K KKEKKKKK S +S +
Sbjct: 1150 KEIAKEQRLKSKTKGKASKLRKPKLKKKEKKKKKSSADKSKKASVVGNSKR 1200
Score = 26.9 bits (60), Expect = 8.0
Identities = 18/54 (33%), Positives = 23/54 (42%)
Query: 146 VKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
K +Q SK K RK K KK +K+KKK K +S +S D
Sbjct: 1149 EKEIAKEQRLKSKTKGKASKLRKPKLKKKEKKKKKSSADKSKKASVVGNSKRVD 1202
>gnl|CDD|240796 cd12350, RRM3_SHARP, RNA recognition motif 3 in
SMART/HDAC1-associated repressor protein (SHARP) and
similar proteins. This subfamily corresponds to the
RRM3 of SHARP, also termed Msx2-interacting protein
(MINT), or SPEN homolog, an estrogen-inducible
transcriptional repressor that interacts directly with
the nuclear receptor corepressor SMRT, histone
deacetylases (HDACs) and components of the NuRD complex.
SHARP recruits HDAC activity and binds to the steroid
receptor RNA coactivator SRA through four conserved
N-terminal RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), further suppressing SRA-potentiated steroid
receptor transcription activity. Thus, SHARP has the
capacity to modulate both liganded and nonliganded
nuclear receptors. SHARP also has been identified as a
component of transcriptional repression complexes in
Notch/RBP-Jkappa signaling pathways. In addition to the
N-terminal RRMs, SHARP possesses a C-terminal SPOC
domain (Spen paralog and ortholog C-terminal domain),
which is highly conserved among Spen proteins. .
Length = 74
Score = 33.9 bits (78), Expect = 0.007
Identities = 17/65 (26%), Positives = 35/65 (53%), Gaps = 3/65 (4%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+F+G L + D+ F ++GEI+++++ K G + + FI Y D S V ++ +
Sbjct: 5 LFIGNLEKTTTYSDLREAFERFGEIIDIDI---KKQGGNPAYAFIQYADIASVVKAMRKM 61
Query: 96 NGVKV 100
+G +
Sbjct: 62 DGEYL 66
>gnl|CDD|240742 cd12296, RRM1_Prp24, RNA recognition motif 1 in fungal
pre-messenger RNA splicing protein 24 (Prp24) and
similar proteins. This subfamily corresponds to the
RRM1 of Prp24, also termed U4/U6
snRNA-associated-splicing factor PRP24 (U4/U6 snRNP),
an RNA-binding protein with four well conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains).
It facilitates U6 RNA base-pairing with U4 RNA during
spliceosome assembly. Prp24 specifically binds free U6
RNA primarily with RRMs 1 and 2 and facilitates pairing
of U6 RNA bases with U4 RNA bases. Additionally, it may
also be involved in dissociation of the U4/U6 complex
during spliceosome activation. .
Length = 71
Score = 33.8 bits (78), Expect = 0.007
Identities = 10/33 (30%), Positives = 15/33 (45%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRD 68
+ V LP D +E + F GEI + +V
Sbjct: 3 VKVKNLPKDTTENKIRQFFKDCGEIREVKIVES 35
>gnl|CDD|241116 cd12672, RRM_DAZL, RNA recognition motif in vertebrate deleted in
azoospermia-like (DAZL) proteins. This subgroup
corresponds to the RRM of DAZL, also termed
SPGY-like-autosomal, encoded by the autosomal homolog
of DAZ gene, DAZL. It is ancestral to the deleted in
azoospermia (DAZ) protein. DAZL is germ-cell-specific
RNA-binding protein that contains a RNA recognition
motif (RRM), also known as RBD (RNA binding domain) or
RNP (ribonucleoprotein domain), and a DAZ motif, a
protein-protein interaction domain. Although their
specific biochemical functions remain to be
investigated, DAZL proteins may interact with
poly(A)-binding proteins (PABPs), and act as
translational activators of specific mRNAs during
gametogenesis. .
Length = 82
Score = 34.0 bits (78), Expect = 0.007
Identities = 16/50 (32%), Positives = 31/50 (62%), Gaps = 1/50 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ 85
+FVGG+ + E ++ F++YG + + ++ D+ TG SKG+ F+ + D
Sbjct: 8 VFVGGIDIRMDETEIRSFFAKYGSVKEVKIITDR-TGVSKGYGFVSFYDD 56
>gnl|CDD|240708 cd12262, RRM2_4_MRN1, RNA recognition motif 2 and 4 in RNA-binding
protein MRN1 and similar proteins. This subgroup
corresponds to the RRM2 and RRM4 of MRN1, also termed
multicopy suppressor of RSC-NHP6 synthetic lethality
protein 1, or post-transcriptional regulator of 69 kDa,
and is an RNA-binding protein found in yeast. Although
its specific biological role remains unclear, MRN1 might
be involved in translational regulation. Members in this
family contain four copies of conserved RNA recognition
motif (RRM), also known as RBD (RNA binding domain) or
RNP (ribonucleoprotein domain). .
Length = 82
Score = 34.1 bits (78), Expect = 0.007
Identities = 17/73 (23%), Positives = 36/73 (49%), Gaps = 6/73 (8%)
Query: 40 GLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVK 99
G +L E ++ +YGEI ++ ++R+ K FI + + + + ++ LNG K
Sbjct: 14 GDERNLPEKELRKECEKYGEIESIRILRE------KACAFINFMNIPNAIAALQTLNGKK 67
Query: 100 VLSRTIRVDHVND 112
+R+++ D
Sbjct: 68 PYDTIVRINYGKD 80
>gnl|CDD|241114 cd12670, RRM2_Nop12p_like, RNA recognition motif 2 in yeast
nucleolar protein 12 (Nop12p) and similar proteins.
This subgroup corresponds to the RRM2 of Nop12p, which
is encoded by YOL041C from Saccharomyces cerevisiae. It
is a novel nucleolar protein required for pre-25S rRNA
processing and normal rates of cell growth at low
temperatures. Nop12p shares high sequence similarity
with nucleolar protein 13 (Nop13p). Both, Nop12p and
Nop13p, are not essential for growth. However, unlike
Nop13p that localizes primarily to the nucleolus but is
also present in the nucleoplasm to a lesser extent,
Nop12p is localized to the nucleolus. Nop12p contains
two RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains). .
Length = 79
Score = 34.1 bits (78), Expect = 0.007
Identities = 24/75 (32%), Positives = 39/75 (52%), Gaps = 4/75 (5%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG L ++ E + +F + G I + +VRD T KGF ++ ++D+ + V L
Sbjct: 2 VFVGNLGFEDVEEGLWRVFGKCGGIEYVRIVRDPKTNVGKGFAYVQFKDENA-VEKALLL 60
Query: 96 NGVKV---LSRTIRV 107
N K L R +RV
Sbjct: 61 NEKKFPPMLPRELRV 75
>gnl|CDD|240914 cd12470, RRM1_MSSP1, RNA recognition motif 1 in vertebrate
single-stranded DNA-binding protein MSSP-1. This
subgroup corresponds to the RRM1 of MSSP-1, also termed
RNA-binding motif, single-stranded-interacting protein 1
(RBMS1), or suppressor of CDC2 with RNA-binding motif 2
(SCR2), a double- and single-stranded DNA binding
protein that belongs to the c-myc single-strand binding
proteins (MSSP) family. It specifically recognizes the
sequence CT(A/T)(A/T)T, and stimulates DNA replication
in the system using SV40 DNA. MSSP-1 is identical with
Scr2, a human protein which complements the defect of
cdc2 kinase in Schizosaccharomyces pombe. MSSP-1 has
been implied in regulating DNA replication,
transcription, apoptosis induction, and cell-cycle
movement, via the interaction with C-MYC, the product of
protooncogene c-myc. MSSP-1 contains two RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains), both of which are
responsible for the specific DNA binding activity as
well as induction of apoptosis. .
Length = 86
Score = 34.0 bits (77), Expect = 0.009
Identities = 18/71 (25%), Positives = 39/71 (54%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++ GLP + ++ D++ + YG+IV+ + DK T K KG+ F+ ++ + +V L
Sbjct: 10 LYIRGLPPNTTDQDLVKLCQPYGKIVSTKAILDKTTNKCKGYGFVDFDSPAAAQKAVSAL 69
Query: 96 NGVKVLSRTIR 106
V ++ +
Sbjct: 70 KASGVQAQMAK 80
>gnl|CDD|241079 cd12635, RRM2_CELF3_4_5_6, RNA recognition motif 2 in CUGBP
Elav-like family member CELF-3, CELF-4, CELF-5, CELF-6
and similar proteins. This subgroup corresponds to the
RRM2 of CELF-3, CELF-4, CELF-5, and CELF-6, all of which
belong to the CUGBP1 and ETR-3-like factors (CELF) or
BRUNOL (Bruno-like) family of RNA-binding proteins that
display dual nuclear and cytoplasmic localizations and
have been implicated in the regulation of pre-mRNA
splicing and in the control of mRNA translation and
deadenylation. CELF-3, expressed in brain and testis
only, is also known as bruno-like protein 1 (BRUNOL-1),
or CAG repeat protein 4, or CUG-BP- and ETR-3-like
factor 3, or embryonic lethal abnormal vision
(ELAV)-type RNA-binding protein 1 (ETR-1), or expanded
repeat domain protein CAG/CTG 4, or trinucleotide
repeat-containing gene 4 protein (TNRC4). It plays an
important role in the pathogenesis of tauopathies.
CELF-3 contains three highly conserved RNA recognition
motifs (RRMs), also known as RBDs (RNA binding domains)
or RNPs (ribonucleoprotein domains): two consecutive
RRMs (RRM1 and RRM2) situated in the N-terminal region
followed by a linker region and the third RRM (RRM3)
close to the C-terminus of the protein. The effect of
CELF-3 on tau splicing is mediated mainly by the
RNA-binding activity of RRM2. The divergent linker
region might mediate the interaction of CELF-3 with
other proteins regulating its activity or involved in
target recognition. CELF-4, being highly expressed
throughout the brain and in glandular tissues,
moderately expressed in heart, skeletal muscle, and
liver, is also known as bruno-like protein 4 (BRUNOL-4),
or CUG-BP- and ETR-3-like factor 4. Like CELF-3, CELF-4
also contain three highly conserved RRMs. The splicing
activation or repression activity of CELF-4 on some
specific substrates is mediated by its RRM1/RRM2. On the
other hand, both RRM1 and RRM2 of CELF-4 can activate
cardiac troponin T (cTNT) exon 5 inclusion. CELF-5,
expressed in brain, is also known as bruno-like protein
5 (BRUNOL-5), or CUG-BP- and ETR-3-like factor 5.
Although its biological role remains unclear, CELF-5
shares same domain architecture with CELF-3. CELF-6,
being strongly expressed in kidney, brain, and testis,
is also known as bruno-like protein 6 (BRUNOL-6), or
CUG-BP- and ETR-3-like factor 6. It activates exon
inclusion of a cardiac troponin T minigene in transient
transfection assays in a muscle-specific splicing
enhancer (MSE)-dependent manner and can activate
inclusion via multiple copies of a single element, MSE2.
CELF-6 also promotes skipping of exon 11 of insulin
receptor, a known target of CELF activity that is
expressed in kidney. In addition to three highly
conserved RRMs, CELF-6 also possesses numerous potential
phosphorylation sites, a potential nuclear localization
signal (NLS) at the C terminus, and an alanine-rich
region within the divergent linker region. .
Length = 81
Score = 33.6 bits (77), Expect = 0.010
Identities = 20/70 (28%), Positives = 34/70 (48%), Gaps = 5/70 (7%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG L +E DV +F +G I ++R G SKG F+ + +++ L
Sbjct: 4 LFVGMLSKQQTEDDVRRLFEPFGTIEECTILRGP-DGNSKGCAFVKFSSHAEAQAAINAL 62
Query: 96 NGVKVLSRTI 105
+G S+T+
Sbjct: 63 HG----SQTM 68
>gnl|CDD|240751 cd12305, RRM_NELFE, RNA recognition motif in negative elongation
factor E (NELF-E) and similar proteins. This subfamily
corresponds to the RRM of NELF-E, also termed
RNA-binding protein RD. NELF-E is the RNA-binding
subunit of cellular negative transcription elongation
factor NELF (negative elongation factor) involved in
transcriptional regulation of HIV-1 by binding to the
stem of the viral transactivation-response element (TAR)
RNA which is synthesized by cellular RNA polymerase II
at the viral long terminal repeat. NELF is a
heterotetrameric protein consisting of NELF A, B, C or
the splice variant D, and E. NELF-E contains an RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain). It plays a
role in the control of HIV transcription by binding to
TAR RNA. In addition, NELF-E is associated with the
NELF-B subunit, probably via a leucine zipper motif. .
Length = 75
Score = 33.4 bits (77), Expect = 0.010
Identities = 20/73 (27%), Positives = 37/73 (50%), Gaps = 8/73 (10%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V G Y L+E + FS +G I+N+++ ++K G F+ +E S ++ L
Sbjct: 7 LYVHG--YGLTEEILKKAFSPFGNIINISMEKEKNCG------FVTFEKMESADRAIAEL 58
Query: 96 NGVKVLSRTIRVD 108
NG V ++V
Sbjct: 59 NGTTVQGVQLKVS 71
>gnl|CDD|240722 cd12276, RRM2_MEI2_EAR1_like, RNA recognition motif 2 in Mei2-like
proteins and terminal EAR1-like proteins. This
subfamily corresponds to the RRM2 of Mei2-like proteins
from plant and fungi, terminal EAR1-like proteins from
plant, and other eukaryotic homologs. Mei2-like proteins
represent an ancient eukaryotic RNA-binding proteins
family whose corresponding Mei2-like genes appear to
have arisen early in eukaryote evolution, been lost from
some lineages such as Saccharomyces cerevisiae and
metazoans, and diversified in the plant lineage. The
plant Mei2-like genes may function in cell fate
specification during development, rather than as
stimulators of meiosis. In the fission yeast
Schizosaccharomyces pombe, the Mei2 protein is an
essential component of the switch from mitotic to
meiotic growth. S. pombe Mei2 stimulates meiosis in the
nucleus upon binding a specific non-coding RNA. The
terminal EAR1-like protein 1 and 2 (TEL1 and TEL2) are
mainly found in land plants. They may play a role in the
regulation of leaf initiation. All members in this
family are putative RNA-binding proteins carrying three
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains). In
addition to the RRMs, the terminal EAR1-like proteins
also contain TEL characteristic motifs that allow
sequence and putative functional discrimination between
them and Mei2-like proteins. .
Length = 71
Score = 33.3 bits (77), Expect = 0.010
Identities = 15/56 (26%), Positives = 29/56 (51%), Gaps = 5/56 (8%)
Query: 53 IFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRVD 108
+FSQ+GE+ ++ + + K F+ + D R+ ++D LNG L ++V
Sbjct: 21 LFSQFGEVKDIRETPLRPSQK-----FVEFYDIRAAEAALDALNGRPFLGGRLKVK 71
>gnl|CDD|241032 cd12588, RRM1_p54nrb, RNA recognition motif 1 in vertebrate 54 kDa
nuclear RNA- and DNA-binding protein (p54nrb). This
subgroup corresponds to the RRM1 of p54nrb, also termed
non-POU domain-containing octamer-binding protein
(NonO), or 55 kDa nuclear protein (NMT55), or
DNA-binding p52/p100 complex 52 kDa subunit. p54nrb is a
multifunctional protein involved in numerous nuclear
processes including transcriptional regulation,
splicing, DNA unwinding, nuclear retention of
hyperedited double-stranded RNA, viral RNA processing,
control of cell proliferation, and circadian rhythm
maintenance. It is ubiquitously expressed and highly
conserved in vertebrates. p54nrb binds both, single- and
double-stranded RNA and DNA, and also possesses inherent
carbonic anhydrase activity. It forms a heterodimer with
paraspeckle component 1 (PSPC1 or PSP1), localizing to
paraspeckles in an RNA-dependent manneras well as with
polypyrimidine tract-binding protein-associated-splicing
factor (PSF). p54nrb contains two conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains), at the
N-terminus. .
Length = 71
Score = 33.3 bits (76), Expect = 0.011
Identities = 20/72 (27%), Positives = 39/72 (54%), Gaps = 6/72 (8%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG LP D++E ++ +F +YG+ + + +D KGF FI E + ++ L
Sbjct: 4 LFVGNLPPDITEEEMRKLFEKYGKAGEIFIHKD------KGFGFIRLETRTLAEIAKAEL 57
Query: 96 NGVKVLSRTIRV 107
+ + + + +RV
Sbjct: 58 DNMPLRGKQLRV 69
>gnl|CDD|240693 cd12247, RRM2_U1A_like, RNA recognition motif 2 in the U1A/U2B"/SNF
protein family. This subfamily corresponds to the RRM2
of U1A/U2B"/SNF protein family, containing Drosophila
sex determination protein SNF and its two mammalian
counterparts, U1 small nuclear ribonucleoprotein A (U1
snRNP A or U1-A or U1A) and U2 small nuclear
ribonucleoprotein B" (U2 snRNP B" or U2B"), all of which
consist of two RNA recognition motifs (RRMs) connected
by a variable, flexible linker. SNF is an RNA-binding
protein found in the U1 and U2 snRNPs of Drosophila
where it is essential in sex determination and possesses
a novel dual RNA binding specificity. SNF binds with
high affinity to both Drosophila U1 snRNA stem-loop II
(SLII) and U2 snRNA stem-loop IV (SLIV). It can also
bind to poly(U) RNA tracts flanking the alternatively
spliced Sex-lethal (Sxl) exon, as does Drosophila
Sex-lethal protein (SXL). U1A is an RNA-binding protein
associated with the U1 snRNP, a small RNA-protein
complex involved in pre-mRNA splicing. U1A binds with
high affinity and specificity to stem-loop II (SLII) of
U1 snRNA. It is predominantly a nuclear protein that
shuttles between the nucleus and the cytoplasm
independently of interactions with U1 snRNA. Moreover,
U1A may be involved in RNA 3'-end processing,
specifically cleavage, splicing and polyadenylation,
through interacting with a large number of non-snRNP
proteins. U2B", initially identified to bind to
stem-loop IV (SLIV) at the 3' end of U2 snRNA, is a
unique protein that comprises of the U2 snRNP.
Additional research indicates U2B" binds to U1 snRNA
stem-loop II (SLII) as well and shows no preference for
SLIV or SLII on the basis of binding affinity. U2B" does
not require an auxiliary protein for binding to RNA and
its nuclear transport is independent on U2 snRNA
binding. .
Length = 72
Score = 33.3 bits (77), Expect = 0.011
Identities = 13/66 (19%), Positives = 31/66 (46%), Gaps = 6/66 (9%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+F+ LP + ++ + +F+Q+ + LV +G F+ +E + +++ L
Sbjct: 5 LFLQNLPEETTKEMLEMLFNQFPGFKEVRLV------PRRGIAFVEFETEEQATVALQAL 58
Query: 96 NGVKVL 101
G K+
Sbjct: 59 QGFKIT 64
>gnl|CDD|240786 cd12340, RBD_RRM1_NPL3, RNA recognition motif 1 in yeast
nucleolar protein 3 (Npl3p) and similar proteins. This
subfamily corresponds to the RRM1 of Npl3p, also termed
mitochondrial targeting suppressor 1 protein, or
nuclear polyadenylated RNA-binding protein 1. Npl3p is
a major yeast RNA-binding protein that competes with
3'-end processing factors, such as Rna15, for binding
to the nascent RNA, protecting the transcript from
premature termination and coordinating transcription
termination and the packaging of the fully processed
transcript for export. It specifically recognizes a
class of G/U-rich RNAs. Npl3p is a multi-domain protein
containing two central RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), separated by a short
linker and a C-terminal domain rich in glycine,
arginine and serine residues. .
Length = 67
Score = 33.2 bits (76), Expect = 0.011
Identities = 16/62 (25%), Positives = 30/62 (48%), Gaps = 8/62 (12%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V P D SE + IFS YG + + ++ F F+ +E S + + D++
Sbjct: 2 LYVRPFPPDTSESAIREIFSPYGAVKEVKMI--------SNFAFVEFESLESAIRAKDSV 53
Query: 96 NG 97
+G
Sbjct: 54 HG 55
>gnl|CDD|240713 cd12267, RRM_YRA1_MLO3, RNA recognition motif in yeast RNA
annealing protein YRA1 (Yra1p), yeast mRNA export
protein mlo3 and similar proteins. This subfamily
corresponds to the RRM of Yra1p and mlo3. Yra1p is an
essential nuclear RNA-binding protein encoded by
Saccharomyces cerevisiae YRA1 gene. It belongs to the
evolutionarily conserved REF (RNA and export factor
binding proteins) family of hnRNP-like proteins. Yra1p
possesses potent RNA annealing activity and interacts
with a number of proteins involved in nuclear transport
and RNA processing. It binds to the mRNA export factor
Mex67p/TAP and couples transcription to export in yeast.
Yra1p is associated with Pse1p and Kap123p, two members
of the beta-importin family, further mediating transport
of Yra1p into the nucleus. In addition, the
co-transcriptional loading of Yra1p is required for
autoregulation. Yra1p consists of two highly conserved
N- and C-terminal boxes and a central RNA recognition
motif (RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain). This subfamily includes
RNA-annealing protein mlo3, also termed mRNA export
protein mlo3, which has been identified in fission yeast
as a protein that causes defects in chromosome
segregation when overexpressed. It shows high sequence
similarity with Yra1p. .
Length = 77
Score = 33.2 bits (76), Expect = 0.013
Identities = 19/66 (28%), Positives = 29/66 (43%), Gaps = 2/66 (3%)
Query: 36 IFVGGLPYDLSEGDVICIF-SQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
+ V LP D++E + F SQ G I + L ++ GKS G I ++ + D
Sbjct: 2 VIVSNLPKDVTEAQIREYFVSQIGPIKRVLLSYNE-GGKSTGIANITFKRAGDATKAYDK 60
Query: 95 LNGVKV 100
NG
Sbjct: 61 FNGRID 66
>gnl|CDD|218752 pfam05793, TFIIF_alpha, Transcription initiation factor IIF, alpha
subunit (TFIIF-alpha). Transcription initiation factor
IIF, alpha subunit (TFIIF-alpha) or RNA polymerase
II-associating protein 74 (RAP74) is the large subunit
of transcription factor IIF (TFIIF), which is essential
for accurate initiation and stimulates elongation by RNA
polymerase II.
Length = 528
Score = 35.3 bits (81), Expect = 0.014
Identities = 20/55 (36%), Positives = 28/55 (50%), Gaps = 4/55 (7%)
Query: 149 EDIKQEKDSKPTESKDK----KRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
+I+Q++DS+ +E + K KK+KK K KK K S S S DSD
Sbjct: 312 PEIEQDEDSEESEEEKNEEEGGLSKKGKKLKKLKGKKNGLDKDDSDSGDDSDDSD 366
Score = 26.8 bits (59), Expect = 8.5
Identities = 14/51 (27%), Positives = 21/51 (41%), Gaps = 6/51 (11%)
Query: 149 EDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
E+ K E++ ++ K +K K KK + S S S SD D
Sbjct: 324 EEEKNEEEGGLSKKGKKLKKLKGKK------NGLDKDDSDSGDDSDDSDID 368
>gnl|CDD|240980 cd12536, RRM1_RBM39, RNA recognition motif 1 in vertebrate
RNA-binding protein 39 (RBM39). This subgroup
corresponds to the RRM1 of RBM39, also termed
hepatocellular carcinoma protein 1, or RNA-binding
region-containing protein 2, or splicing factor HCC1, a
nuclear autoantigen that contains an N-terminal
arginine/serine rich (RS) motif and three RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains). An
octapeptide sequence called the RS-ERK motif is repeated
six times in the RS region of RBM39. Based on the
specific domain composition, RBM39 has been classified
into a family of non-snRNP (small nuclear
ribonucleoprotein) splicing factors that are usually not
complexed to snRNAs. .
Length = 85
Score = 33.5 bits (76), Expect = 0.014
Identities = 20/66 (30%), Positives = 35/66 (53%), Gaps = 6/66 (9%)
Query: 42 PYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVL 101
P DL E FS G++ ++ ++ D+ + +SKG ++ + D S L++ L G +VL
Sbjct: 15 PRDLEE-----FFSTVGKVRDVRMISDRNSRRSKGIAYVEFVDVSSVPLAI-GLTGQRVL 68
Query: 102 SRTIRV 107
I V
Sbjct: 69 GVPIIV 74
>gnl|CDD|241028 cd12584, RRM2_hnRNPAB, RNA recognition motif 2 in heterogeneous
nuclear ribonucleoprotein A/B (hnRNP A/B) and similar
proteins. This subgroup corresponds to the RRM2 of
hnRNP A/B, also termed APOBEC1-binding protein 1
(ABBP-1), an RNA unwinding protein with a high affinity
for G- followed by U-rich regions. hnRNP A/B has also
been identified as an APOBEC1-binding protein that
interacts with apolipoprotein B (apoB) mRNA transcripts
around the editing site and thus plays an important
role in apoB mRNA editing. hnRNP A/B contains two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
followed by a long C-terminal glycine-rich domain that
contains a potential ATP/GTP binding loop. .
Length = 80
Score = 33.0 bits (75), Expect = 0.015
Identities = 19/50 (38%), Positives = 30/50 (60%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQ 85
IFVGGL + +E + F ++GEI + L D T K +GF FI ++++
Sbjct: 7 IFVGGLNPEATEEKIREYFGEFGEIEAIELPMDPKTNKRRGFVFITFKEE 56
>gnl|CDD|240818 cd12372, RRM_CFIm68_CFIm59, RNA recognition motif of pre-mRNA
cleavage factor Im 68 kDa subunit (CFIm68 or CPSF6),
pre-mRNA cleavage factor Im 59 kDa subunit (CFIm59 or
CPSF7), and similar proteins. This subfamily
corresponds to the RRM of cleavage factor Im (CFIm)
subunits. Cleavage factor Im (CFIm) is a highly
conserved component of the eukaryotic mRNA 3'
processing machinery that functions in UGUA-mediated
poly(A) site recognition, the regulation of alternative
poly(A) site selection, mRNA export, and mRNA splicing.
It is a complex composed of a small 25 kDa (CFIm25)
subunit and a larger 59/68/72 kDa subunit. Two separate
genes, CPSF6 and CPSF7, code for two isoforms of the
large subunit, CFIm68 and CFIm59. Structurally related
CFIm68 and CFIm59, also termed cleavage and
polyadenylation specificity factor subunit 6 (CPSF7),
or cleavage and polyadenylation specificity factor 59
kDa subunit (CPSF59), are functionally redundant. Both
contains an N-terminal RNA recognition motif (RRM),
also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), a central proline-rich
region, and a C-terminal RS-like domain. Their
N-terminal RRM mediates the interaction with CFIm25,
and also serves to enhance RNA binding and facilitate
RNA looping. .
Length = 76
Score = 33.0 bits (76), Expect = 0.016
Identities = 14/64 (21%), Positives = 32/64 (50%), Gaps = 2/64 (3%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYG--EIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVD 93
++VG L + ++ D+ ++ G ++ ++ K GKSKGF ++ + + + +
Sbjct: 1 LYVGNLTWWTTDEDLEGALAEAGVVDVKSIKFFEHKANGKSKGFAYVEFASEAAAAAVKE 60
Query: 94 NLNG 97
L G
Sbjct: 61 KLEG 64
>gnl|CDD|241090 cd12646, RRM_SRSF7, RNA recognition motif in vertebrate
serine/arginine-rich splicing factor 7 (SRSF7). This
subgroup corresponds to the RRM of SRSF7, also termed
splicing factor 9G8, is a splicing regulatory
serine/arginine (SR) protein that plays a crucial role
in both constitutive splicing and alternative splicing
of many pre-mRNAs. Its localization and functions are
tightly regulated by phosphorylation. SRSF7 is
predominantly present in the nuclear and can shuttle
between nucleus and cytoplasm. It cooperates with the
export protein, Tap/NXF1, helps mRNA export to the
cytoplasm, and enhances the expression of unspliced
mRNA. SRSF7 inhibits tau E10 inclusion through directly
interacting with the proximal downstream intron of E10,
a clustering region for frontotemporal dementia with
Parkinsonism (FTDP) mutations. SRSF7 contains a single
N-terminal RNA recognition motif (RRM), also termed RBD
(RNA binding domain) or RNP (ribonucleoprotein domain),
followed by a CCHC-type zinc knuckle motif in its median
region, and a C-terminal RS domain rich in
serine-arginine dipeptides. The RRM domain is involved
in RNA binding, and the RS domain has been implicated in
protein shuttling and protein-protein interactions. .
Length = 77
Score = 33.1 bits (75), Expect = 0.016
Identities = 20/73 (27%), Positives = 36/73 (49%), Gaps = 5/73 (6%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG L +G++ FS YG + + + R+ GF F+ +ED R +V L
Sbjct: 2 VYVGNLGTGAGKGELERAFSYYGPLRTVWIARN-----PPGFAFVEFEDPRDAEDAVRGL 56
Query: 96 NGVKVLSRTIRVD 108
+G + +RV+
Sbjct: 57 DGKVICGSRVRVE 69
>gnl|CDD|241103 cd12659, RRM2_hnRNPM, RNA recognition motif 2 in vertebrate
heterogeneous nuclear ribonucleoprotein M (hnRNP M).
This subgroup corresponds to the RRM2 of hnRNP M, a
pre-mRNA binding protein that may play an important role
in the pre-mRNA processing. It also preferentially binds
to poly(G) and poly(U) RNA homopolymers. hnRNP M is able
to interact with early spliceosomes, further influencing
splicing patterns of specific pre-mRNAs. It functions as
the receptor of carcinoembryonic antigen (CEA) that
contains the penta-peptide sequence PELPK signaling
motif. In addition, hnRNP M and another splicing factor
Nova-1 work together as dopamine D2 receptor (D2R)
pre-mRNA-binding proteins. They regulate alternative
splicing of D2R pre-mRNA in an antagonistic manner.
hnRNP M contains three RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and an unusual
hexapeptide-repeat region rich in methionine and
arginine residues (MR repeat motif). .
Length = 76
Score = 32.7 bits (74), Expect = 0.018
Identities = 20/72 (27%), Positives = 35/72 (48%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FV L Y + + +FS G +V +++ DK GKS+G + +E V ++
Sbjct: 3 VFVANLDYKVGWKKLKEVFSMAGMVVRADILEDK-DGKSRGIGTVTFEQPIEAVQAISMF 61
Query: 96 NGVKVLSRTIRV 107
NG + R + V
Sbjct: 62 NGQLLFDRPMHV 73
>gnl|CDD|237753 PRK14552, PRK14552, C/D box methylation guide ribonucleoprotein
complex aNOP56 subunit; Provisional.
Length = 414
Score = 34.9 bits (81), Expect = 0.020
Identities = 22/45 (48%), Positives = 29/45 (64%), Gaps = 6/45 (13%)
Query: 147 KTEDIKQEKDSKPT-----ESKDKKRKHKEKKVKKEKKKKKKRKK 186
+ E+IK EK KP E K +KRK K+K+ KK KK+KKK +K
Sbjct: 371 RIEEIK-EKYPKPPKKKREEKKPQKRKKKKKRKKKGKKRKKKGRK 414
>gnl|CDD|240912 cd12466, RRM2_AtRSp31_like, RNA recognition motif 2 in Arabidopsis
thaliana arginine/serine-rich-splicing factor RSp31 and
similar proteins from plants. This subgroup corresponds
to the RRM2 in a family that represents a novel group of
arginine/serine (RS) or serine/arginine (SR) splicing
factors existing in plants, such as A. thaliana RSp31,
RSp35, RSp41 and similar proteins. Like vertebrate RS
splicing factors, these proteins function as plant
splicing factors and play crucial roles in constitutive
and alternative splicing in plants. They all contain two
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains), at
their N-terminus, and an RS domain at their C-terminus.
Length = 70
Score = 32.5 bits (74), Expect = 0.021
Identities = 20/68 (29%), Positives = 34/68 (50%), Gaps = 8/68 (11%)
Query: 42 PYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVL 101
P + D+ F YG++VN+ + R+ F F+ YE Q ++++ N KVL
Sbjct: 9 PINTRTRDLERHFEPYGKLVNVRIRRN--------FAFVQYETQEDATKALESTNMSKVL 60
Query: 102 SRTIRVDH 109
R I V++
Sbjct: 61 DRVISVEY 68
>gnl|CDD|240916 cd12472, RRM1_RBMS3, RNA recognition motif 1 found in vertebrate
RNA-binding motif, single-stranded-interacting protein 3
(RBMS3). This subgroup corresponds to the RRM1 of
RBMS3, a new member of the c-myc gene single-strand
binding proteins (MSSP) family of DNA regulators. Unlike
other MSSP proteins, RBMS3 is not a transcriptional
regulator. It binds with high affinity to A/U-rich
stretches of RNA, and to A/T-rich DNA sequences, and
functions as a regulator of cytoplasmic activity. RBMS3
contains two N-terminal RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and its C-terminal region
is acidic and enriched in prolines, glutamines and
threonines. .
Length = 80
Score = 32.9 bits (74), Expect = 0.021
Identities = 18/71 (25%), Positives = 39/71 (54%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++ GLP ++ D+I + YG+IV+ + DK T + KG+ F+ ++ + +V +L
Sbjct: 7 LYIRGLPPGTTDQDLIKLCQPYGKIVSTKAILDKNTNQCKGYGFVDFDSPAAAQKAVASL 66
Query: 96 NGVKVLSRTIR 106
V ++ +
Sbjct: 67 KANGVQAQMAK 77
>gnl|CDD|217393 pfam03154, Atrophin-1, Atrophin-1 family. Atrophin-1 is the
protein product of the dentatorubral-pallidoluysian
atrophy (DRPLA) gene. DRPLA OMIM:125370 is a progressive
neurodegenerative disorder. It is caused by the
expansion of a CAG repeat in the DRPLA gene on
chromosome 12p. This results in an extended
polyglutamine region in atrophin-1, that is thought to
confer toxicity to the protein, possibly through
altering its interactions with other proteins. The
expansion of a CAG repeat is also the underlying defect
in six other neurodegenerative disorders, including
Huntington's disease. One interaction of expanded
polyglutamine repeats that is thought to be pathogenic
is that with the short glutamine repeat in the
transcriptional coactivator CREB binding protein, CBP.
This interaction draws CBP away from its usual nuclear
location to the expanded polyglutamine repeat protein
aggregates that are characteristic of the polyglutamine
neurodegenerative disorders. This interferes with
CBP-mediated transcription and causes cytotoxicity.
Length = 979
Score = 34.7 bits (79), Expect = 0.026
Identities = 17/56 (30%), Positives = 35/56 (62%), Gaps = 1/56 (1%)
Query: 141 GSILPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSS 196
S L K E+ EK + E K ++ + +EK+ +KE++++++R+ ++ +SSSS
Sbjct: 574 SSKLAKKREE-AVEKAKREAEQKAREEREREKEKEKEREREREREAERAAKASSSS 628
Score = 31.2 bits (70), Expect = 0.38
Identities = 17/50 (34%), Positives = 31/50 (62%), Gaps = 1/50 (2%)
Query: 149 EDIKQEKDSKPTESKDK-KRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSD 197
E K+E + K E +++ K K KE++ ++E++ ++ K SSSS S S+
Sbjct: 586 EKAKREAEQKAREEREREKEKEKEREREREREAERAAKASSSSHESRMSE 635
>gnl|CDD|240805 cd12359, RRM2_VICKZ, RNA recognition motif 2 in the VICKZ family
proteins. This subfamily corresponds to the RRM2 of
IGF-II mRNA-binding proteins (IGF2BPs or IMPs) in the
VICKZ family that have been implicated in the
post-transcriptional regulation of several different
RNAs and in subcytoplasmic localization of mRNAs during
embryogenesis. IGF2BPs are composed of two RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains), and four
hnRNP K homology (KH) domains. .
Length = 76
Score = 32.3 bits (74), Expect = 0.027
Identities = 17/77 (22%), Positives = 32/77 (41%), Gaps = 3/77 (3%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
I + +P + D+ + S YG + N V K + + YE +V+ L
Sbjct: 3 IQISNIPPHVRWEDLDSLLSTYGTVKNCEQVPTKSETAT---VNVTYESPEQAQQAVNKL 59
Query: 96 NGVKVLSRTIRVDHVND 112
NG + ++V ++ D
Sbjct: 60 NGHEYEGSKLKVSYIPD 76
>gnl|CDD|240877 cd12431, RRM_ALKBH8, RNA recognition motif in alkylated DNA
repair protein alkB homolog 8 (ALKBH8) and similar
proteins. This subfamily corresponds to the RRM of
ALKBH8, also termed alpha-ketoglutarate-dependent
dioxygenase ABH8, or S-adenosyl-L-methionine-dependent
tRNA methyltransferase ABH8, expressed in various types
of human cancers. It is essential in urothelial
carcinoma cell survival mediated by NOX-1-dependent ROS
signals. ALKBH8 has also been identified as a tRNA
methyltransferase that catalyzes methylation of tRNA to
yield 5-methylcarboxymethyl uridine (mcm5U) at the
wobble position of the anticodon loop. Thus, ALKBH8
plays a crucial role in the DNA damage survival pathway
through a distinct mechanism involving the regulation
of tRNA modification. ALKBH8 localizes to the
cytoplasm. It contains the characteristic AlkB domain
that is composed of a tRNA methyltransferase motif, a
motif homologous to the bacterial AlkB DNA/RNA repair
enzyme, and a dioxygenase catalytic core domain
encompassing cofactor-binding sites for iron and
2-oxoglutarate. In addition, unlike other AlkB
homologs, ALKBH8 contains an N-terminal RNA recognition
motif (RRM), also termed RBD (RNA binding domain) or
RNP (ribonucleoprotein domain), and a C-terminal
S-adenosylmethionine (SAM)-dependent methyltransferase
(MT) domain. .
Length = 80
Score = 32.2 bits (74), Expect = 0.030
Identities = 17/59 (28%), Positives = 29/59 (49%), Gaps = 6/59 (10%)
Query: 39 GGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNG 97
GGL +S +++ +F +YG + +L + GK +CF+ Y + D LNG
Sbjct: 9 GGLGNGVSREELLRVFEKYGTVEDLVMP----PGKP--YCFVSYSSIEDAAAAYDALNG 61
>gnl|CDD|241005 cd12561, RRM1_RBM5_like, RNA recognition motif 1 in RNA-binding
protein 5 (RBM5) and similar proteins. This subgroup
corresponds to the RRM1 of RNA-binding protein 5 (RBM5
or LUCA15 or H37), RNA-binding protein 10 (RBM10 or
S1-1) and similar proteins. RBM5 is a known modulator
of apoptosis. It may also act as a tumor suppressor or
an RNA splicing factor; it specifically binds poly(G)
RNA. RBM10, a paralog of RBM5, may play an important
role in mRNA generation, processing and degradation in
several cell types. The rat homolog of human RBM10 is
protein S1-1, a hypothetical RNA binding protein with
poly(G) and poly(U) binding capabilities. Both, RBM5
and RBM10, contain two RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), two C2H2-type zinc
fingers, and a G-patch/D111 domain. .
Length = 81
Score = 32.0 bits (73), Expect = 0.036
Identities = 17/46 (36%), Positives = 27/46 (58%), Gaps = 1/46 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYG-EIVNLNLVRDKITGKSKGFCFI 80
I + GLP ++E D+ +G E ++ L+R K TG S+GF F+
Sbjct: 5 IMLRGLPLSVTEEDIRNALVSHGVEPKDVRLMRRKTTGASRGFAFV 50
>gnl|CDD|241008 cd12564, RRM1_RBM19, RNA recognition motif 1 in RNA-binding protein
19 (RBM19) and similar proteins. This subgroup
corresponds to the RRM1 of RBM19, also termed
RNA-binding domain-1 (RBD-1), a nucleolar protein
conserved in eukaryotes. It is involved in ribosome
biogenesis by processing rRNA. In addition, it is
essential for preimplantation development. RBM19 has a
unique domain organization containing 6 conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains). .
Length = 76
Score = 31.9 bits (73), Expect = 0.037
Identities = 17/73 (23%), Positives = 34/73 (46%), Gaps = 1/73 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+ V LP + E + +F +G I ++ L K GK + F F+ Y+ + ++ +
Sbjct: 3 LIVKNLPKGIKEDKLRKLFEAFGTITDVQLKYTK-DGKFRKFGFVGYKTEEEAQKALKHF 61
Query: 96 NGVKVLSRTIRVD 108
N + + I V+
Sbjct: 62 NNSFIDTSKITVE 74
>gnl|CDD|240756 cd12310, RRM3_Spen, RNA recognition motif 3 in the Spen (split end)
protein family. This subfamily corresponds to the RRM3
domain in the Spen (split end) protein family which
includes RNA binding motif protein 15 (RBM15), putative
RNA binding motif protein 15B (RBM15B) and similar
proteins found in Metazoa. RBM15, also termed one-twenty
two protein 1 (OTT1), conserved in eukaryotes, is a
novel mRNA export factor and is a novel component of the
NXF1 pathway. It binds to NXF1 and serves as receptor
for the RNA export element RTE. It also possess mRNA
export activity and can facilitate the access of
DEAD-box protein DBP5 to mRNA at the nuclear pore
complex (NPC). RNA-binding protein 15B (RBM15B), also
termed one twenty-two 3 (OTT3), is a paralog of RBM15
and therefore has post-transcriptional regulatory
activity. It is a nuclear protein sharing with RBM15 the
association with the splicing factor compartment and the
nuclear envelope as well as the binding to mRNA export
factors NXF1 and Aly/REF. Members in this family belong
to the Spen (split end) protein family, which shares a
domain architecture comprising of three N-terminal RNA
recognition motifs (RRMs), also known as RBD (RNA
binding domain) or RNP (ribonucleoprotein domain), and a
C-terminal SPOC (Spen paralog and ortholog C-terminal)
domain. .
Length = 72
Score = 31.8 bits (73), Expect = 0.041
Identities = 19/80 (23%), Positives = 34/80 (42%), Gaps = 12/80 (15%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKIT-GKSKGFCFICYEDQRSTVLSVDN 94
++VGGL S ++ F ++G I +I + + +I YE + + +
Sbjct: 1 LWVGGLGPWTSLAELEREFDRFGAI-------RRIDYDPGRNYAYIEYESIEAAQAAKEA 53
Query: 95 LNGVKVLS---RTIRVDHVN 111
L G L R +RVD +
Sbjct: 54 LRG-FPLGGPGRRLRVDFAD 72
>gnl|CDD|240720 cd12274, RRM2_NEFsp, RNA recognition motif 2 in vertebrate
putative RNA exonuclease NEF-sp. This subfamily
corresponds to the RRM2 of NEF-sp., including
uncharacterized putative RNA exonuclease NEF-sp found
in vertebrates. Although its cellular functions remains
unclear, NEF-sp contains an exonuclease domain and two
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
suggesting it may possess both exonuclease and
RNA-binding activities. .
Length = 71
Score = 31.4 bits (71), Expect = 0.045
Identities = 16/62 (25%), Positives = 33/62 (53%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
I+V G L+E + F Q ++ + L +D ++GK +CF+ + +S ++D++
Sbjct: 1 IYVSGFTKSLTEEFLQERFGQLSDLEAIFLPKDLLSGKPAKYCFLKFRQSQSATAALDHI 60
Query: 96 NG 97
G
Sbjct: 61 TG 62
>gnl|CDD|240890 cd12444, RRM1_CPEBs, RNA recognition motif 1 in cytoplasmic
polyadenylation element-binding protein CPEB-1, CPEB-2,
CPEB-3, CPEB-4 and similar protiens. This subfamily
corresponds to the RRM1 of the CPEB family of proteins
that bind to defined groups of mRNAs and act as either
translational repressors or activators to regulate
their translation. CPEB proteins are well conserved in
both, vertebrates and invertebrates. Based on sequence
similarity, RNA-binding specificity, and functional
regulation of translation, the CPEB proteins have been
classified into two subfamilies. The first subfamily
includes CPEB-1 and related proteins. CPEB-1 is an
RNA-binding protein that interacts with the cytoplasmic
polyadenylation element (CPE), a short U-rich motif in
the 3' untranslated regions (UTRs) of certain mRNAs. It
functions as a translational regulator that plays a
major role in the control of maternal CPE-containing
mRNA in oocytes, as well as of subsynaptic
CPE-containing mRNA in neurons. Once phosphorylated and
recruiting the polyadenylation complex, CPEB-1 may
function as a translational activator stimulating
polyadenylation and translation. Otherwise, it may
function as a translational inhibitor when
dephosphorylated and bind to a protein such as maskin
or neuroguidin, which blocks translation initiation
through interfering with the assembly of eIF-4E and
eIF-4G. Although CPEB-1 is mainly located in cytoplasm,
it can shuttle between nucleus and cytoplasm. The
second subfamily includes CPEB-2, CPEB-3, CPEB-4, and
related protiens. Due to high sequence similarity,
members in this subfamily may share similar expression
patterns and functions. CPEB-2 is an RNA-binding
protein that is abundantly expressed in testis and
localized in cytoplasm in transfected HeLa cells. It
preferentially binds to poly(U) RNA oligomers and may
regulate the translation of stored mRNAs during
spermiogenesis. CPEB-2 impedes target RNA translation
at elongation; it directly interacts with the
elongation factor, eEF2, to reduce
eEF2/ribosome-activated GTP hydrolysis in vitro and
inhibit peptide elongation of CPEB2-bound RNA in vivo.
CPEB-3 is a sequence-specific translational regulatory
protein that regulates translation in a
polyadenylation-independent manner. It functions as a
translational repressor that governs the synthesis of
the AMPA receptor GluR2 through binding GluR2 mRNA. It
also represses translation of a reporter RNA in
transfected neurons and stimulates translation in
response to NMDA. CPEB-4 is an RNA-binding protein that
mediates meiotic mRNA cytoplasmic polyadenylation and
translation. It is essential for neuron survival and
present on the endoplasmic reticulum (ER). It is
accumulated in the nucleus upon ischemia or the
depletion of ER calcium. CPEB-4 is overexpressed in a
large variety of tumors and is associated with many
mRNAs in cancer cells. All CPEB proteins are
nucleus-cytoplasm shuttling proteins. They contain an
N-terminal unstructured region, followed by two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
and a Zn-finger motif. CPEB-2, -3, and -4 have
conserved nuclear export signals that are not present
in CPEB-1. .
Length = 112
Score = 32.3 bits (73), Expect = 0.051
Identities = 11/26 (42%), Positives = 20/26 (76%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIV 61
+FVGGLP+D++E D++ F ++G +
Sbjct: 3 VFVGGLPWDITEADILNSFRRFGSLQ 28
>gnl|CDD|240680 cd12234, RRM1_AtRSp31_like, RNA recognition motif in Arabidopsis
thaliana arginine/serine-rich-splicing factor RSp31 and
similar proteins from plants. This subfamily
corresponds to the RRM1in a family that represents a
novel group of arginine/serine (RS) or serine/arginine
(SR) splicing factors existing in plants, such as A.
thaliana RSp31, RSp35, RSp41 and similar proteins. Like
vertebrate RS splicing factors, these proteins function
as plant splicing factors and play crucial roles in
constitutive and alternative splicing in plants. They
all contain two RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), at their N-terminus, and
an RS domain at their C-terminus.
Length = 72
Score = 31.3 bits (71), Expect = 0.051
Identities = 16/51 (31%), Positives = 27/51 (52%), Gaps = 8/51 (15%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQR 86
+F G YD + ++ +F +YG + D++ KS GF F+ ED+R
Sbjct: 3 VFCGNFEYDARQSEIERLFGKYGRV-------DRVDMKS-GFAFVYMEDER 45
>gnl|CDD|240748 cd12302, RRM_scSet1p_like, RNA recognition motif in budding yeast
Saccharomyces cerevisiae SET domain-containing protein
1 (scSet1p) and similar proteins. This subfamily
corresponds to the RRM of scSet1p, also termed H3
lysine-4 specific histone-lysine N-methyltransferase,
or COMPASS component SET1, or lysine
N-methyltransferase 2, which is encoded by SET1 from
the yeast S. cerevisiae. It is a nuclear protein that
may play a role in both silencing and activating
transcription. scSet1p is closely related to the SET
domain proteins of multicellular organisms, which are
implicated in diverse aspects of cell morphology,
growth control, and chromatin-mediated transcriptional
silencing. scSet1p contains an N-terminal RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), followed by
a conserved SET domain that may play a role in DNA
repair and telomere function. .
Length = 110
Score = 31.9 bits (73), Expect = 0.056
Identities = 15/49 (30%), Positives = 18/49 (36%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYED 84
I V G SE + FS +GEI + D T G I Y
Sbjct: 5 IVVWGFQPSTSEDIIKNYFSSFGEIAEIRNFNDPNTAVPLGIYLIKYYG 53
>gnl|CDD|240696 cd12250, RRM2_hnRNPR_like, RNA recognition motif 2 in
heterogeneous nuclear ribonucleoprotein R (hnRNP R) and
similar proteins. This subfamily corresponds to the
RRM2 in hnRNP R, hnRNP Q, APOBEC-1 complementation
factor (ACF), and dead end protein homolog 1 (DND1).
hnRNP R is a ubiquitously expressed nuclear RNA-binding
protein that specifically bind mRNAs with a preference
for poly(U) stretches. It has been implicated in mRNA
processing and mRNA transport, and also acts as a
regulator to modify binding to ribosomes and RNA
translation. hnRNP Q is also a ubiquitously expressed
nuclear RNA-binding protein. It has been identified as
a component of the spliceosome complex, as well as a
component of the apobec-1 editosome, and has been
implicated in the regulation of specific mRNA
transport. ACF is an RNA-binding subunit of a core
complex that interacts with apoB mRNA to facilitate C
to U RNA editing. It may also act as an apoB mRNA
recognition factor and chaperone and play a key role in
cell growth and differentiation. DND1 is essential for
maintaining viable germ cells in vertebrates. It
interacts with the 3'-untranslated region (3'-UTR) of
multiple messenger RNAs (mRNAs) and prevents micro-RNA
(miRNA) mediated repression of mRNA. This family also
includes two functionally unknown RNA-binding proteins,
RBM46 and RBM47. All members in this family, except for
DND1, contain three conserved RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains); DND1 harbors only two
RRMs. .
Length = 82
Score = 31.1 bits (71), Expect = 0.070
Identities = 18/53 (33%), Positives = 29/53 (54%), Gaps = 2/53 (3%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSK--GFCFICYEDQR 86
+FVGG+P ++ +++ FS+ E V +V K+K GF F+ YE R
Sbjct: 4 LFVGGIPKTKTKEEILEEFSKVTEGVVDVIVYRSPDDKNKNRGFAFVEYESHR 56
>gnl|CDD|240872 cd12426, RRM4_PTBPH3, RNA recognition motif 4 in plant
polypyrimidine tract-binding protein homolog 3
(PTBPH3). This subfamily corresponds to the RRM4 of
PTBPH3. Although its biological roles remain unclear,
PTBPH3 shows significant sequence similarity to
polypyrimidine tract binding protein (PTB) that is an
important negative regulator of alternative splicing in
mammalian cells and also functions at several other
aspects of mRNA metabolism, including mRNA
localization, stabilization, polyadenylation, and
translation. Like PTB, PTBPH3 contains four RNA
recognition motifs (RRM), also known as RBD (RNA
binding domain) or RNP (ribonucleoprotein domain). .
Length = 79
Score = 31.3 bits (71), Expect = 0.072
Identities = 13/30 (43%), Positives = 20/30 (66%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNL 65
I V LP D++E DVI +++G IVN+ +
Sbjct: 10 IHVSNLPSDVTEEDVINHLAEHGVIVNVKV 39
>gnl|CDD|235250 PRK04195, PRK04195, replication factor C large subunit;
Provisional.
Length = 482
Score = 33.4 bits (77), Expect = 0.073
Identities = 10/54 (18%), Positives = 28/54 (51%)
Query: 146 VKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
E +++++ + E K K K+K+ ++E++K+KK ++ + + +
Sbjct: 414 KIVEKAEKKREEEKKEKKKKAFAGKKKEEEEEEEKEKKEEEKEEEEEEAEEEKE 467
Score = 29.9 bits (68), Expect = 0.96
Identities = 12/45 (26%), Positives = 20/45 (44%)
Query: 155 KDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
K T+ K + EKK ++EKK+KKK+ + +
Sbjct: 404 GSKKATKKIKKIVEKAEKKREEEKKEKKKKAFAGKKKEEEEEEEK 448
Score = 27.6 bits (62), Expect = 5.6
Identities = 9/42 (21%), Positives = 23/42 (54%)
Query: 147 KTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSS 188
K ++ K + +++++K K+KK KKK+++ ++
Sbjct: 407 KATKKIKKIVEKAEKKREEEKKEKKKKAFAGKKKEEEEEEEK 448
Score = 27.2 bits (61), Expect = 7.4
Identities = 8/45 (17%), Positives = 17/45 (37%)
Query: 155 KDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
K + K ++ K+++ +K++KKKK
Sbjct: 406 KKATKKIKKIVEKAEKKREEEKKEKKKKAFAGKKKEEEEEEEKEK 450
>gnl|CDD|241009 cd12565, RRM1_MRD1, RNA recognition motif 1 in yeast multiple
RNA-binding domain-containing protein 1 (MRD1) and
similar proteins. This subgroup corresponds to the RRM1
of MRD1 which is encoded by a novel yeast gene MRD1
(multiple RNA-binding domain). It is well-conserved in
yeast and its homologs exist in all eukaryotes. MRD1 is
present in the nucleolus and the nucleoplasm. It
interacts with the 35 S precursor rRNA (pre-rRNA) and U3
small nucleolar RNAs (snoRNAs). MRD1 is essential for
the initial processing at the A0-A2 cleavage sites in
the 35 S pre-rRNA. It contains 5 conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains), which may
play an important structural role in organizing specific
rRNA processing events. .
Length = 76
Score = 31.0 bits (71), Expect = 0.077
Identities = 18/73 (24%), Positives = 36/73 (49%), Gaps = 1/73 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
I V LP ++E + F GE+ ++ ++R + GKS+ F F+ ++ + +V
Sbjct: 3 IIVKNLPKYVTEDRLREHFESKGEVTDVKVMRTR-DGKSRRFGFVGFKSEEDAQQAVKYF 61
Query: 96 NGVKVLSRTIRVD 108
N + + I V+
Sbjct: 62 NKTFIDTSKISVE 74
>gnl|CDD|221028 pfam11208, DUF2992, Protein of unknown function (DUF2992). This
bacterial family of proteins has no known function.
However, the cis-regulatory yjdF motif, just upstream
from the gene encoding the proteins for this family, is
a small non-coding RNA, Rfam:RF01764. The yjdF motif is
found in many Firmicutes, including Bacillus subtilis.
In most cases, it resides in potential 5' UTRs of
homologues of the yjdF gene whose function is unknown.
However, in Streptococcus thermophilus, a yjdF RNA motif
is associated with an operon whose protein products
synthesise nicotinamide adenine dinucleotide (NAD+).
Also, the S. thermophilus yjdF RNA lacks typical yjdF
motif consensus features downstream of and including the
P4 stem. Thus, if yjdF RNAs are riboswitch aptamers, the
S. thermophilus RNAs might sense a distinct compound
that structurally resembles the ligand bound by other
yjdF RNAs. On the ohter hand, perhaps these RNAs have an
alternative solution forming a similar binding site, as
is observed with some SAM riboswitches.
Length = 132
Score = 31.8 bits (73), Expect = 0.080
Identities = 15/38 (39%), Positives = 25/38 (65%), Gaps = 3/38 (7%)
Query: 149 EDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
E KQEK + SK+KK + KE+K + +++KKK + +
Sbjct: 96 ERNKQEKKKR---SKEKKEEEKERKRQLKQQKKKAKHR 130
Score = 26.1 bits (58), Expect = 9.0
Identities = 12/38 (31%), Positives = 23/38 (60%), Gaps = 2/38 (5%)
Query: 151 IKQEKDSKPTESKDKKR--KHKEKKVKKEKKKKKKRKK 186
+K E + E K + + K +EK+ K++ K++KK+ K
Sbjct: 91 LKLEHERNKQEKKKRSKEKKEEEKERKRQLKQQKKKAK 128
>gnl|CDD|240815 cd12369, RRM4_RBM45, RNA recognition motif 4 in RNA-binding protein
45 (RBM45) and similar proteins. This subfamily
corresponds to the RRM4 of RBM45, also termed
developmentally-regulated RNA-binding protein 1 (DRB1),
a new member of RNA recognition motif (RRM)-type neural
RNA-binding proteins, which expresses under
spatiotemporal control. It is encoded by gene drb1 that
is expressed in neurons, not in glial cells. RBM45
predominantly localizes in cytoplasm of cultured cells
and specifically binds to poly(C) RNA. It could play an
important role during neurogenesis. RBM45 carries four
RRMs, also known as RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). .
Length = 68
Score = 30.7 bits (70), Expect = 0.088
Identities = 14/55 (25%), Positives = 29/55 (52%), Gaps = 6/55 (10%)
Query: 53 IFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRV 107
+F ++G ++++ LV K G +K Y D+ S ++ L+G +V ++V
Sbjct: 19 VFCRFGGLIDVYLVPGKNYGYAK------YADRESAERAITTLHGKEVNGVKLKV 67
>gnl|CDD|233223 TIGR00990, 3a0801s09, mitochondrial precursor proteins import
receptor (72 kDa mitochondrial outermembrane protein)
(mitochondrial import receptor for the ADP/ATP carrier)
(translocase of outermembrane tom70). [Transport and
binding proteins, Amino acids, peptides and amines].
Length = 615
Score = 33.0 bits (75), Expect = 0.089
Identities = 13/46 (28%), Positives = 28/46 (60%)
Query: 153 QEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
Q+++SKP SK ++RK K+ + + E K ++K+ + ++ +D
Sbjct: 61 QQRESKPKISKKERRKRKQAEKETEGKTEEKKSTAPKNAPVEPADE 106
>gnl|CDD|240850 cd12404, RRM2_NCL, RNA recognition motif 2 in vertebrate nucleolin.
This subfamily corresponds to the RRM2 of ubiquitously
expressed protein nucleolin, also termed protein C23, a
multifunctional major nucleolar phosphoprotein that has
been implicated in various metabolic processes, such as
ribosome biogenesis, cytokinesis, nucleogenesis, cell
proliferation and growth, cytoplasmic-nucleolar
transport of ribosomal components, transcriptional
repression, replication, signal transduction, inducing
chromatin decondensation, etc. Nucleolin exhibits
intrinsic self-cleaving, DNA helicase, RNA helicase and
DNA-dependent ATPase activities. It can be
phosphorylated by many protein kinases, such as the
major mitotic kinase Cdc2, casein kinase 2 (CK2), and
protein kinase C-zeta. Nucleolin shares similar domain
architecture with gar2 from Schizosaccharomyces pombe
and NSR1 from Saccharomyces cerevisiae. The highly
phosphorylated N-terminal domain of nucleolin is made up
of highly acidic regions separated from each other by
basic sequences, and contains multiple phosphorylation
sites. The central domain of nucleolin contains four
closely adjacent N-terminal RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), which suggests that
nucleolin is potentially able to interact with multiple
RNA targets. The C-terminal RGG (or GAR) domain of
nucleolin is rich in glycine, arginine and phenylalanine
residues, and contains high levels of
NG,NG-dimethylarginines.RRM2, together with RRM1, binds
specifically to RNA stem-loops containing the sequence
(U/G)CCCG(A/G) in the loop. .
Length = 77
Score = 30.6 bits (69), Expect = 0.097
Identities = 21/80 (26%), Positives = 41/80 (51%), Gaps = 4/80 (5%)
Query: 31 KDSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVL 90
+D+ +FV LPY+++ ++ +F +I L K G SKG +I ++ +
Sbjct: 1 RDARTLFVKNLPYNITVDELKEVFEDAVDI---RLPSGK-DGSSKGIAYIEFKTEAEAEK 56
Query: 91 SVDNLNGVKVLSRTIRVDHV 110
+++ G +V R+I VD+
Sbjct: 57 ALEEKQGAEVDGRSIVVDYT 76
>gnl|CDD|240915 cd12471, RRM1_MSSP2, RNA recognition motif 1 in vertebrate
single-stranded DNA-binding protein MSSP-2. This
subgroup corresponds to the RRM1 of MSSP-2, also termed
RNA-binding motif, single-stranded-interacting protein 2
(RBMS2), or suppressor of CDC2 with RNA-binding motif 3
(SCR3), a double- and single-stranded DNA binding
protein that belongs to the c-myc single-strand binding
proteins (MSSP) family. It specifically recognizes the
sequence T(C/A)TT, and stimulates DNA replication in the
system using SV40 DNA. MSSP-2 is identical with Scr3, a
human protein which complements the defect of cdc2
kinase in Schizosaccharomyces pombe. MSSP-2 has been
implied in regulating DNA replication, transcription,
apoptosis induction, and cell-cycle movement, via the
interaction with C-MYC, the product of protooncogene
c-myc. MSSP-2 contains two RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), both of which are
responsible for the specific DNA binding activity as
well as induction of apoptosis. .
Length = 75
Score = 30.9 bits (69), Expect = 0.098
Identities = 17/68 (25%), Positives = 34/68 (50%)
Query: 33 SAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSV 92
+++ GL ++ D++ + YG+IV+ + DK T K KG+ F+ ++ + +V
Sbjct: 1 KTNLYIRGLHPGTTDQDLVKLCQPYGKIVSTKAILDKTTNKCKGYGFVDFDSPSAAQKAV 60
Query: 93 DNLNGVKV 100
L V
Sbjct: 61 TALKASGV 68
>gnl|CDD|236978 PRK11778, PRK11778, putative inner membrane peptidase; Provisional.
Length = 330
Score = 32.5 bits (75), Expect = 0.099
Identities = 12/41 (29%), Positives = 20/41 (48%), Gaps = 6/41 (14%)
Query: 149 EDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSS 189
E++K K K+ K K KK++K++ K K+ S
Sbjct: 54 EELKAALLDK------KELKAWHKAQKKKEKQEAKAAKAKS 88
>gnl|CDD|240743 cd12297, RRM2_Prp24, RNA recognition motif 2 in fungal
pre-messenger RNA splicing protein 24 (Prp24) and
similar proteins. This subfamily corresponds to the
RRM2 of Prp24, also termed U4/U6
snRNA-associated-splicing factor PRP24 (U4/U6 snRNP), an
RNA-binding protein with four well conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains). It
facilitates U6 RNA base-pairing with U4 RNA during
spliceosome assembly. Prp24 specifically binds free U6
RNA primarily with RRMs 1 and 2 and facilitates pairing
of U6 RNA bases with U4 RNA bases. Additionally, it may
also be involved in dissociation of the U4/U6 complex
during spliceosome activation. .
Length = 78
Score = 30.6 bits (70), Expect = 0.10
Identities = 19/75 (25%), Positives = 34/75 (45%), Gaps = 5/75 (6%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVR--DKITGKSKGFCFICYEDQRSTVLSVD 93
++V P + D+ +F QYGEI++ +R K++ FC++ + S +V
Sbjct: 3 LWVTNFPPSFDQSDIRDLFEQYGEILS---IRFPSLRFNKTRRFCYVQFTSPESAAAAVA 59
Query: 94 NLNGVKVLSRTIRVD 108
LNG + V
Sbjct: 60 LLNGKLGEGYKLVVK 74
>gnl|CDD|240669 cd12223, RRM_SR140, RNA recognition motif (RRM) in U2-associated
protein SR140 and similar proteins. This subgroup
corresponds to the RRM of SR140 (also termed U2
snRNP-associated SURP motif-containing protein orU2SURP,
or 140 kDa Ser/Arg-rich domain protein) which is a
putative splicing factor mainly found in higher
eukaryotes. Although it is initially identified as one
of the 17S U2 snRNP-associated proteins, the molecular
and physiological function of SR140 remains unclear.
SR140 contains an N-terminal RNA recognition motif
(RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), a SWAP/SURP domain that is
found in a number of pre-mRNA splicing factors in the
middle region, and a C-terminal arginine/serine-rich
domain (RS domain).
Length = 84
Score = 30.7 bits (70), Expect = 0.11
Identities = 13/75 (17%), Positives = 38/75 (50%), Gaps = 3/75 (4%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLV--RDKITGKSKGFC-FICYEDQRSTVLSV 92
++VG L ++E + F ++G + ++ ++ R + + C F+ + ++ ++
Sbjct: 4 LYVGNLNPKVTEEVLCQEFGRFGPLASVKIMWPRTEEERRRNRNCGFVAFMNRADAERAL 63
Query: 93 DNLNGVKVLSRTIRV 107
D L+G V+ +++
Sbjct: 64 DELDGKDVMGYELKL 78
>gnl|CDD|185429 PTZ00074, PTZ00074, 60S ribosomal protein L34; Provisional.
Length = 135
Score = 31.6 bits (72), Expect = 0.12
Identities = 16/35 (45%), Positives = 21/35 (60%)
Query: 151 IKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRK 185
+KQ K + K KK+K K+KK K KK KK+K
Sbjct: 101 VKQVLKEKAKQKKQKKKKKKKKKKKTSKKAAKKKK 135
Score = 28.5 bits (64), Expect = 1.3
Identities = 15/31 (48%), Positives = 20/31 (64%)
Query: 165 KKRKHKEKKVKKEKKKKKKRKKSSSSSSSSS 195
K K K+KK KK+KKKKKK+K S ++
Sbjct: 105 LKEKAKQKKQKKKKKKKKKKKTSKKAAKKKK 135
Score = 28.1 bits (63), Expect = 1.7
Identities = 12/30 (40%), Positives = 18/30 (60%)
Query: 161 ESKDKKRKHKEKKVKKEKKKKKKRKKSSSS 190
+ K K++K K+KK KK+KKK K+
Sbjct: 106 KEKAKQKKQKKKKKKKKKKKTSKKAAKKKK 135
Score = 27.7 bits (62), Expect = 2.1
Identities = 14/30 (46%), Positives = 21/30 (70%)
Query: 163 KDKKRKHKEKKVKKEKKKKKKRKKSSSSSS 192
K+K ++ K+KK KK+KKKKK KK++
Sbjct: 106 KEKAKQKKQKKKKKKKKKKKTSKKAAKKKK 135
Score = 27.7 bits (62), Expect = 2.3
Identities = 12/30 (40%), Positives = 18/30 (60%)
Query: 158 KPTESKDKKRKHKEKKVKKEKKKKKKRKKS 187
K + K++K K+KK KK+ KK +KK
Sbjct: 106 KEKAKQKKQKKKKKKKKKKKTSKKAAKKKK 135
Score = 27.7 bits (62), Expect = 2.7
Identities = 13/30 (43%), Positives = 20/30 (66%)
Query: 168 KHKEKKVKKEKKKKKKRKKSSSSSSSSSSD 197
K K K+ K++KKKKKK+KK +S ++
Sbjct: 106 KEKAKQKKQKKKKKKKKKKKTSKKAAKKKK 135
Score = 27.3 bits (61), Expect = 3.5
Identities = 13/35 (37%), Positives = 18/35 (51%)
Query: 146 VKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKK 180
VK ++ K K + K KK+K K K +KKK
Sbjct: 101 VKQVLKEKAKQKKQKKKKKKKKKKKTSKKAAKKKK 135
Score = 27.0 bits (60), Expect = 4.2
Identities = 12/34 (35%), Positives = 22/34 (64%)
Query: 163 KDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSS 196
K ++ ++K +K+KKKKKK+KK+S ++
Sbjct: 102 KQVLKEKAKQKKQKKKKKKKKKKKTSKKAAKKKK 135
Score = 27.0 bits (60), Expect = 4.3
Identities = 15/36 (41%), Positives = 23/36 (63%)
Query: 161 ESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSS 196
E K K+ KEK +K++KKKKK+KK +S ++
Sbjct: 97 EQKIVKQVLKEKAKQKKQKKKKKKKKKKKTSKKAAK 132
>gnl|CDD|215278 PLN02502, PLN02502, lysyl-tRNA synthetase.
Length = 553
Score = 32.7 bits (75), Expect = 0.12
Identities = 9/43 (20%), Positives = 20/43 (46%)
Query: 155 KDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSD 197
K K +++++K +E K K R + S+++ + D
Sbjct: 15 KRLKAKQAEEEKAAKEEAKAAAAAAAAKGRSRKSAAADDETMD 57
Score = 29.2 bits (66), Expect = 1.5
Identities = 9/34 (26%), Positives = 15/34 (44%)
Query: 166 KRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
K+ +EK K+E K + S S++ D
Sbjct: 20 KQAEEEKAAKEEAKAAAAAAAAKGRSRKSAAADD 53
Score = 29.2 bits (66), Expect = 1.6
Identities = 13/52 (25%), Positives = 20/52 (38%), Gaps = 6/52 (11%)
Query: 154 EKDSKPTESKDKKRKHK-EKKVKKEKKKKKKRKKSSS-----SSSSSSSDSD 199
E SK K K K E+K KE+ K ++ S+++ D
Sbjct: 6 EPLSKNALKKRLKAKQAEEEKAAKEEAKAAAAAAAAKGRSRKSAAADDETMD 57
>gnl|CDD|240863 cd12417, RRM_SAFB_like, RNA recognition motif in the scaffold
attachment factor (SAFB) family. This subfamily
corresponds to the RRM domain of the SAFB family,
including scaffold attachment factor B1 (SAFB1),
scaffold attachment factor B2 (SAFB2), SAFB-like
transcriptional modulator (SLTM), and similar proteins,
which are ubiquitously expressed. SAFB1, SAFB2 and SLTM
have been implicated in many diverse cellular processes
including cell growth and transformation, stress
response, and apoptosis. They share high sequence
similarities and all contain a scaffold attachment
factor-box (SAF-box, also known as SAP domain)
DNA-binding motif, an RNA recognition motif (RRM), also
known as RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), and a region rich in
glutamine and arginine residues. SAFB1 is a nuclear
protein with a distribution similar to that of SLTM, but
unlike that of SAFB2, which is also found in the
cytoplasm. To a large extent, SAFB1 and SLTM might share
similar functions, such as the inhibition of an
oestrogen reporter gene. The additional cytoplasmic
localization of SAFB2 implies that it could play
additional roles in the cytoplasmic compartment which
are distinct from the nuclear functions shared with
SAFB1 and SLTM. .
Length = 74
Score = 30.4 bits (69), Expect = 0.13
Identities = 16/73 (21%), Positives = 35/73 (47%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V GL D+ +FS+YG++V +V + + ++ F F+ + +L
Sbjct: 2 LWVSGLSSTTKAADLKQLFSKYGKVVGAKIVTNARSPGARCFGFVTMASVEEAAKCIQHL 61
Query: 96 NGVKVLSRTIRVD 108
+ ++ R I V+
Sbjct: 62 HRTELHGRVISVE 74
>gnl|CDD|240794 cd12348, RRM1_SHARP, RNA recognition motif 1 in
SMART/HDAC1-associated repressor protein (SHARP) and
similar proteins. This subfamily corresponds to the
RRM1 of SHARP, also termed Msx2-interacting protein
(MINT), or SPEN homolog, an estrogen-inducible
transcriptional repressor that interacts directly with
the nuclear receptor corepressor SMRT, histone
deacetylases (HDACs) and components of the NuRD
complex. SHARP recruits HDAC activity and binds to the
steroid receptor RNA coactivator SRA through four
conserved N-terminal RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), further suppressing
SRA-potentiated steroid receptor transcription
activity. Thus, SHARP has the capacity to modulate both
liganded and nonliganded nuclear receptors. SHARP also
has been identified as a component of transcriptional
repression complexes in Notch/RBP-Jkappa signaling
pathways. In addition to the N-terminal RRMs, SHARP
possesses a C-terminal SPOC domain (Spen paralog and
ortholog C-terminal domain), which is highly conserved
among Spen proteins. .
Length = 75
Score = 30.1 bits (68), Expect = 0.14
Identities = 11/52 (21%), Positives = 27/52 (51%), Gaps = 1/52 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
++VG LP ++ E + F +YG + ++ ++ + + F+ + D +S
Sbjct: 2 LWVGNLPENVREERISEHFKRYGRVESVKILPKRGSDGGVA-AFVDFVDIKS 52
>gnl|CDD|241106 cd12662, RRM3_MYEF2, RNA recognition motif 3 in vertebrate myelin
expression factor 2 (MEF-2). This subgroup corresponds
to the RRM3 of MEF-2, also termed MyEF-2 or MST156, a
sequence-specific single-stranded DNA (ssDNA) binding
protein that binds specifically to ssDNA derived from
the proximal (MB1) element of the myelin basic protein
(MBP) promoter and represses transcription of the MBP
gene. MEF-2 contains three RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), which may be responsible
for its ssDNA binding activity. .
Length = 77
Score = 30.4 bits (68), Expect = 0.15
Identities = 23/72 (31%), Positives = 37/72 (51%), Gaps = 2/72 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IFV LP+DL+ + FSQ G ++ + + GKSKG + ++ S + +
Sbjct: 2 IFVRNLPFDLTWQKLKEKFSQCGHVMFAEIKME--NGKSKGCGTVRFDSPESAEKACRLM 59
Query: 96 NGVKVLSRTIRV 107
NG+K+ R I V
Sbjct: 60 NGIKINGREIDV 71
>gnl|CDD|221466 pfam12220, U1snRNP70_N, U1 small nuclear ribonucleoprotein of 70kDa
MW N terminal. This domain is found in eukaryotes. This
domain is about 90 amino acids in length. This domain is
found associated with pfam00076. This domain is part of
U1 snRNP, which is the pre-mRNA binding protein of the
penta-snRNP spliceosome complex. It extends over a
distance of 180 A from its RNA binding domain, wraps
around the core domain of U1 snRNP consisting of the
seven Sm proteins and finally contacts U1-C, which is
crucial for 5'-splice-site recognition.
Length = 94
Score = 30.7 bits (70), Expect = 0.15
Identities = 16/40 (40%), Positives = 26/40 (65%), Gaps = 2/40 (5%)
Query: 149 EDIKQEKDSKPTESKDKK--RKHKEKKVKKEKKKKKKRKK 186
+D K E +PTE+ +K R+ +EKK K EKK +++ K+
Sbjct: 48 KDYKDEPPPEPTETWLEKREREKREKKEKLEKKLEEELKE 87
>gnl|CDD|204877 pfam12313, NPR1_like_C, NPR1/NIM1 like defence protein C terminal.
This family of proteins is found in eukaryotes. Proteins
in this family are typically between 251 and 588 amino
acids in length. The family is found in association with
pfam00023, pfam00651. There are two conserved sequence
motifs: LENRV and DLN. NPR1 (NIM1) is a defence protein
in many plant species.
Length = 203
Score = 31.9 bits (73), Expect = 0.15
Identities = 20/46 (43%), Positives = 28/46 (60%), Gaps = 4/46 (8%)
Query: 154 EKDSKPTESKDKKRKHKEKK--VKKE-KKKKKKRKKSSSSSSSSSS 196
EK + P E K K+ + E K V+K K K++ +SS SSSSSS+
Sbjct: 159 EKGT-PEEQKQKRMRFMELKEDVQKAFSKDKEELNRSSLSSSSSST 203
>gnl|CDD|233508 TIGR01649, hnRNP-L_PTB, hnRNP-L/PTB/hephaestus splicing factor
family. Included in this family of heterogeneous
ribonucleoproteins are PTB (polypyrimidine tract binding
protein ) and hnRNP-L. These proteins contain four RNA
recognition motifs (rrm: pfam00067).
Length = 481
Score = 32.1 bits (73), Expect = 0.17
Identities = 20/72 (27%), Positives = 30/72 (41%), Gaps = 10/72 (13%)
Query: 41 LPYDLSEGDVIC-----IFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+ L + V C +F YG N+ R K K I D L++ +L
Sbjct: 279 MVSGLHQEKVNCDRLFNLFCVYG-----NVERVKFMKNKKETALIEMADPYQAQLALTHL 333
Query: 96 NGVKVLSRTIRV 107
NGVK+ + +RV
Sbjct: 334 NGVKLFGKPLRV 345
Score = 27.5 bits (61), Expect = 5.2
Identities = 11/52 (21%), Positives = 23/52 (44%), Gaps = 6/52 (11%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRS 87
+ V LP D+ E D++ +G + + ++ K + +ED+ S
Sbjct: 5 VHVRNLPQDVVEADLVEALIPFGPVSYVMML------PGKRQALVEFEDEES 50
>gnl|CDD|224415 COG1498, SIK1, Protein implicated in ribosomal biogenesis, Nop56p
homolog [Translation, ribosomal structure and
biogenesis].
Length = 395
Score = 32.0 bits (73), Expect = 0.18
Identities = 15/41 (36%), Positives = 23/41 (56%), Gaps = 1/41 (2%)
Query: 147 KTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKS 187
+ E +K EK KP +R KE+ + +KKK+K+ KS
Sbjct: 349 RIEKLK-EKPPKPPTKAKPERDKKERPGRYRRKKKEKKAKS 388
>gnl|CDD|241015 cd12571, RRM6_RBM19, RNA recognition motif 6 in RNA-binding
protein 19 (RBM19) and similar proteins. This subgroup
corresponds to the RRM6 of RBM19, also termed
RNA-binding domain-1 (RBD-1), which is a nucleolar
protein conserved in eukaryotes. It is involved in
ribosome biogenesis by processing rRNA. In addition, it
is essential for preimplantation development. RBM19 has
a unique domain organization containing 6 conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains). .
Length = 79
Score = 30.1 bits (68), Expect = 0.18
Identities = 13/48 (27%), Positives = 27/48 (56%), Gaps = 1/48 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKI-TGKSKGFCFICY 82
I V +P++ + ++ +FS +GE+ + L + TG +GF F+ +
Sbjct: 3 ILVRNIPFEATVKELRELFSTFGELKTVRLPKKMTGTGSHRGFGFVDF 50
>gnl|CDD|219124 pfam06658, DUF1168, Protein of unknown function (DUF1168). This
family consists of several hypothetical eukaryotic
proteins of unknown function.
Length = 142
Score = 31.2 bits (71), Expect = 0.18
Identities = 22/49 (44%), Positives = 28/49 (57%), Gaps = 1/49 (2%)
Query: 152 KQEKDSKPTESKDKKR-KHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
K+ KD + T K KR K K+KK KK+K KK +K+ S SS SD
Sbjct: 75 KKRKDEEKTAKKRAKRQKKKQKKKKKKKAKKGNKKEEKEGSKSSEESSD 123
>gnl|CDD|240706 cd12260, RRM2_SREK1, RNA recognition motif 2 in splicing regulatory
glutamine/lysine-rich protein 1 (SREK1) and similar
proteins. This subfamily corresponds to the RRM2 of
SREK1, also termed serine/arginine-rich-splicing
regulatory protein 86-kDa (SRrp86), or splicing factor
arginine/serine-rich 12 (SFRS12), or splicing regulatory
protein 508 amino acid (SRrp508). SREK1 belongs to a
family of proteins containing regions rich in
serine-arginine dipeptides (SR proteins family), which
is involved in bridge-complex formation and splicing by
mediating protein-protein interactions across either
introns or exons. It is a unique SR family member and it
may play a crucial role in determining tissue specific
patterns of alternative splicing. SREK1 can alter splice
site selection by both positively and negatively
modulating the activity of other SR proteins. For
instance, SREK1 can activate SRp20 and repress SC35 in a
dose-dependent manner both in vitro and in vivo. In
addition, SREK1 contains two (some contain only one) RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains), and two
serine-arginine (SR)-rich domains (SR domains) separated
by an unusual glutamic acid-lysine (EK) rich region. The
RRM and SR domains are highly conserved among other
members of the SR superfamily. However, the EK domain is
unique to SREK1. It plays a modulatory role controlling
SR domain function by involvement in the inhibition of
both constitutive and alternative splicing and in the
selection of splice-site. .
Length = 85
Score = 30.0 bits (68), Expect = 0.18
Identities = 21/76 (27%), Positives = 39/76 (51%), Gaps = 3/76 (3%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
I+VG L + ++ FSQ GE+ + + D+ + + F+ + +Q S V++ L
Sbjct: 7 IYVGNLDPTTTADQLLEFFSQAGEVKYVRMAGDE--TQPTRYAFVEFAEQTS-VINALKL 63
Query: 96 NGVKVLSRTIRVDHVN 111
NG R ++V+H N
Sbjct: 64 NGAMFGGRPLKVNHSN 79
>gnl|CDD|240750 cd12304, RRM_Set1, RNA recognition motif in the Set1-like family of
histone-lysine N-methyltransferases. This subfamily
corresponds to the RRM of the Set1-like family of
histone-lysine N-methyltransferases which includes Set1A
and Set1B that are ubiquitously expressed vertebrates
histone methyltransferases exhibiting high homology to
yeast Set1. Set1A and Set1B proteins exhibit a largely
non-overlapping subnuclear distribution in euchromatic
nuclear speckles, strongly suggesting that they bind to
a unique set of target genes and thus make non-redundant
contributions to the epigenetic control of chromatin
structure and gene expression. With the exception of the
catalytic component, the subunit composition of the
Set1A and Set1B histone methyltransferase complexes are
identical. Each complex contains six human homologs of
the yeast Set1/COMPASS complex, including Set1A or
Set1B, Ash2 (homologous to yeast Bre2), CXXC finger
protein 1 (CFP1; homologous to yeast Spp1), Rbbp5
(homologous to yeast Swd1), Wdr5 (homologous to yeast
Swd3), and Wdr82 (homologous to yeast Swd2). The genomic
targeting of these complexes is determined by the
identity of the catalytic subunit present in each
histone methyltransferase complex. Thus, the Set1A and
Set1B complexes may exhibit both overlapping and
non-redundant properties. Both Set1A and Set1B contain
an N-terminal RNA recognition motif (RRM), also termed
RBD (RNA binding domain) or RNP (ribonucleoprotein
domain), an N- SET domain, and a C-terminal catalytic
SET domain followed by a post-SET domain. In contrast to
Set1B, Set1A additionally contains an HCF-1 binding
motif that interacts with HCF-1 in vivo. .
Length = 93
Score = 30.3 bits (69), Expect = 0.19
Identities = 15/70 (21%), Positives = 30/70 (42%), Gaps = 2/70 (2%)
Query: 55 SQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRVDHVNDYK 114
+YGE+ + + T K G + ++ +S V+ LN V+ + I+V D K
Sbjct: 24 KKYGEVEEVKIYFHPKTNKHLGLARVVFDSVKSAKRCVEKLNQTSVMGKIIKV--FLDPK 81
Query: 115 PPKDNKYTDE 124
+ ++
Sbjct: 82 GEIRKRLYED 91
>gnl|CDD|215565 PLN03083, PLN03083, E3 UFM1-protein ligase 1 homolog; Provisional.
Length = 803
Score = 32.1 bits (73), Expect = 0.20
Identities = 19/87 (21%), Positives = 34/87 (39%), Gaps = 9/87 (10%)
Query: 111 NDYKPPKDNKYTDEETKKLRTIGCAPGTEFGSILPVKTEDIKQEKDSKPTESKDKKRKHK 170
N+ P N + KK ++ GT E I +++ P + K ++K +
Sbjct: 407 NESSPAASNSDKGSKKKKGKSTSTKGGT---------AESIPDDEEDAPKKGKKNQKKGR 457
Query: 171 EKKVKKEKKKKKKRKKSSSSSSSSSSD 197
+K K K KK S S +++
Sbjct: 458 DKSSKVPSDSKAGGKKESVKSQEDNNN 484
Score = 27.5 bits (61), Expect = 5.9
Identities = 13/47 (27%), Positives = 19/47 (40%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
K++K + + + KK KK +KK SS SDS
Sbjct: 421 KKKKGKSTSTKGGTAESIPDDEEDAPKKGKKNQKKGRDKSSKVPSDS 467
>gnl|CDD|219838 pfam08432, DUF1742, Fungal protein of unknown function (DUF1742).
This is a family of fungal proteins of unknown function.
Length = 182
Score = 31.2 bits (71), Expect = 0.21
Identities = 15/46 (32%), Positives = 24/46 (52%)
Query: 151 IKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSS 196
++K SK + KDK +K +K K EKK +K+ + + S S
Sbjct: 85 KWKKKKSKKKKDKDKDKKDDKKDDKSEKKDEKEAEDKLEDLTKSYS 130
Score = 29.7 bits (67), Expect = 0.62
Identities = 13/51 (25%), Positives = 25/51 (49%)
Query: 147 KTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSD 197
K + K++ K + K K ++K K+ + K + KS S + S+ S+
Sbjct: 88 KKKSKKKKDKDKDKKDDKKDDKSEKKDEKEAEDKLEDLTKSYSETLSTLSE 138
Score = 28.1 bits (63), Expect = 2.2
Identities = 14/47 (29%), Positives = 25/47 (53%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
K++ K + KDKK K+ K +K+ +K+ + K + S S + S
Sbjct: 88 KKKSKKKKDKDKDKKDDKKDDKSEKKDEKEAEDKLEDLTKSYSETLS 134
>gnl|CDD|150884 pfam10278, Med19, Mediator of RNA pol II transcription subunit 19.
Med19 represents a family of conserved proteins which
are members of the multi-protein co-activator Mediator
complex. Mediator is required for activation of RNA
polymerase II transcription by DNA binding
transactivators.
Length = 178
Score = 31.3 bits (71), Expect = 0.21
Identities = 19/46 (41%), Positives = 28/46 (60%)
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSS 190
P+ E + K E K KK+KH++ K +K+KKK+KK+KK S
Sbjct: 125 PLPEETPSDSEGLKGHEKKHKKKKHEDDKERKKKKKEKKKKKKRHS 170
>gnl|CDD|241121 cd12677, RRM4_Nop4p, RNA recognition motif 4 in yeast nucleolar
protein 4 (Nop4p) and similar proteins. This subgroup
corresponds to the RRM4 of Nop4p (also known as Nop77p),
encoded by YPL043W from Saccharomyces cerevisiae. It is
an essential nucleolar protein involved in processing
and maturation of 27S pre-rRNA and biogenesis of 60S
ribosomal subunits. Nop4p has four RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains). .
Length = 156
Score = 31.1 bits (70), Expect = 0.22
Identities = 10/54 (18%), Positives = 24/54 (44%)
Query: 66 VRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRVDHVNDYKPPKDN 119
G+S+G+ F+ + + ++++ LNG V + I + + P +
Sbjct: 80 KAGSTAGRSRGYGFMEFISHKYALMALRWLNGHAVTVKKIIDAEIEWARLPNID 133
>gnl|CDD|240700 cd12254, RRM_hnRNPH_ESRPs_RBM12_like, RNA recognition motif found
in heterogeneous nuclear ribonucleoprotein (hnRNP) H
protein family, epithelial splicing regulatory proteins
(ESRPs), Drosophila RNA-binding protein Fusilli,
RNA-binding protein 12 (RBM12) and similar proteins.
The family includes RRM domains in the hnRNP H protein
family, G-rich sequence factor 1 (GRSF-1), ESRPs (also
termed RBM35), Drosophila Fusilli, RBM12 (also termed
SWAN), RBM12B, RBM19 (also termed RBD-1) and similar
proteins. The hnRNP H protein family includes hnRNP H
(also termed mcs94-1), hnRNP H2 (also termed FTP-3 or
hnRNP H'), hnRNP F and hnRNP H3 (also termed hnRNP 2H9),
which represent a group of nuclear RNA binding proteins
that are involved in pre-mRNA processing. GRSF-1 is a
cytoplasmic poly(A)+ mRNA binding protein which
interacts with RNA in a G-rich element-dependent manner.
It may function in RNA packaging, stabilization of RNA
secondary structure, or other macromolecular
interactions. ESRP1 (also termed RBM35A) and ESRP2 (also
termed RBM35B) are epithelial-specific RNA binding
proteins that promote splicing of the epithelial variant
of fibroblast growth factor receptor 2 (FGFR2), ENAH
(also termed hMena), CD44 and CTNND1 (also termed
p120-Catenin) transcripts. Fusilli shows high sequence
homology to ESRPs. It can regulate endogenous FGFR2
splicing and functions as a splicing factor. The
biological roles of both, RBM12 and RBM12B, remain
unclear. RBM19 is a nucleolar protein conserved in
eukaryotes. It is involved in ribosome biogenesis by
processing rRNA. In addition, it is essential for
preimplantation development. Members in this family
contain 2~6 conserved RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). .
Length = 73
Score = 29.4 bits (67), Expect = 0.23
Identities = 16/73 (21%), Positives = 31/73 (42%), Gaps = 3/73 (4%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYG-EIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
+ + GLP+ +E D+ FS +++V D G+ G ++ + ++
Sbjct: 2 VRLRGLPFSATEEDIRDFFSGLDIPPDGIHIVYDD-DGRPTGEAYVEFASPEDARRALRK 60
Query: 95 LNGVKVLSRTIRV 107
N K+ R I V
Sbjct: 61 HNN-KMGGRYIEV 72
>gnl|CDD|240840 cd12394, RRM1_RBM34, RNA recognition motif 1 in RNA-binding protein
34 (RBM34) and similar proteins. This subfamily
corresponds to the RRM1 of RBM34, a putative RNA-binding
protein containing two RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). Although the function of
RBM34 remains unclear currently, its RRM domains may
participate in mRNA processing. RBM34 may act as an mRNA
processing-related protein. .
Length = 91
Score = 29.9 bits (68), Expect = 0.25
Identities = 21/91 (23%), Positives = 39/91 (42%), Gaps = 20/91 (21%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNL----------------NLVRDKITGKSKGFC- 78
+FVG LP + D+ +F Q+G I ++ ++ K K K
Sbjct: 3 VFVGNLPLTTKKKDLKKLFKQFGPIESVRFRSVPVKEKKLPKKVAAIKKKFHDK-KDNVN 61
Query: 79 -FICYEDQRSTVLSVDNLNGVKVLSRTIRVD 108
++ ++++ S ++ LNG + IRVD
Sbjct: 62 AYVVFKEEESAEKAL-KLNGTEFEGHHIRVD 91
>gnl|CDD|240899 cd12453, RRM1_RIM4_like, RNA recognition motif 1 in yeast meiotic
activator RIM4 and similar proteins. This subfamily
corresponds to the RRM1 of RIM4, also termed regulator
of IME2 protein 4, a putative RNA binding protein that
is expressed at elevated levels early in meiosis. It
functions as a meiotic activator required for both the
IME1- and IME2-dependent pathways of meiotic gene
expression, as well as early events of meiosis, such as
meiotic division and recombination, in Saccharomyces
cerevisiae. RIM4 contains two RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). The family also includes a
putative RNA-binding protein termed multicopy
suppressor of sporulation protein Msa1. It is a
putative RNA-binding protein encoded by a novel gene,
msa1, from the fission yeast Schizosaccharomyces pombe.
Msa1 may be involved in the inhibition of sexual
differentiation by controlling the expression of
Ste11-regulated genes, possibly through the
pheromone-signaling pathway. Like RIM4, Msa1 also
contains two RRMs, both of which are essential for the
function of Msa1. .
Length = 86
Score = 29.7 bits (67), Expect = 0.25
Identities = 15/41 (36%), Positives = 23/41 (56%), Gaps = 6/41 (14%)
Query: 33 SAWIFVGGLPYDLSEGDVICI-----FSQYGEIVNLNLVRD 68
SA +FV LP S+ D + FS+YG +V + ++RD
Sbjct: 2 SACVFVASLPASKSD-DELEAAVTEHFSKYGTLVFVKVLRD 41
>gnl|CDD|219868 pfam08496, Peptidase_S49_N, Peptidase family S49 N-terminal. This
domain is found to the N-terminus of bacterial signal
peptidases of the S49 family (pfam01343).
Length = 154
Score = 30.6 bits (70), Expect = 0.27
Identities = 10/23 (43%), Positives = 13/23 (56%)
Query: 164 DKKRKHKEKKVKKEKKKKKKRKK 186
K+ K EK KK +K K K +K
Sbjct: 65 KKELKAWEKAEKKAEKAKAKAEK 87
Score = 28.3 bits (64), Expect = 1.7
Identities = 13/39 (33%), Positives = 19/39 (48%), Gaps = 5/39 (12%)
Query: 149 EDIKQEKDSKPTESKDKKRKHK-EKKVKKEKKKKKKRKK 186
E ++ K K+ K K EKK +K K K +K+K
Sbjct: 56 ESLEAALLDK----KELKAWEKAEKKAEKAKAKAEKKKA 90
Score = 27.1 bits (61), Expect = 3.8
Identities = 9/24 (37%), Positives = 14/24 (58%)
Query: 164 DKKRKHKEKKVKKEKKKKKKRKKS 187
+K K EK K +KKK K+++
Sbjct: 72 EKAEKKAEKAKAKAEKKKAKKEEP 95
>gnl|CDD|241221 cd12777, RRM1_PTBP1, RNA recognition motif 1 in vertebrate
polypyrimidine tract-binding protein 1 (PTB). This
subgroup corresponds to the RRM1 of PTB, also known as
58 kDa RNA-binding protein PPTB-1 or heterogeneous
nuclear ribonucleoprotein I (hnRNP I), an important
negative regulator of alternative splicing in mammalian
cells. PTB also functions at several other aspects of
mRNA metabolism, including mRNA localization,
stabilization, polyadenylation, and translation. PTB
contains four RNA recognition motifs (RRM), also known
as RBD (RNA binding domain) or RNP (ribonucleoprotein
domain). RRM1 and RRM2 are independent from each other
and separated by flexible linkers. By contrast, there
is an unusual and conserved interdomain interaction
between RRM3 and RRM4. It is widely held that only RRMs
3 and 4 are involved in RNA binding and RRM2 mediates
PTB homodimer formation. However, new evidence shows
that the RRMs 1 and 2 also contribute substantially to
RNA binding. Moreover, PTB may not always dimerize to
repress splicing. It is a monomer in solution. .
Length = 81
Score = 29.6 bits (66), Expect = 0.27
Identities = 16/56 (28%), Positives = 34/56 (60%), Gaps = 4/56 (7%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLS 91
I V LP D++E +VI + +G++ NL +++ GK++ F + E+ +T+++
Sbjct: 3 IHVRKLPNDVTEAEVISLGLPFGKVTNLLMLK----GKNQAFLEMNTEEAANTMVN 54
>gnl|CDD|241065 cd12621, RRM3_TIA1, RNA recognition motif 3 in nucleolysin TIA-1
isoform p40 (p40-TIA-1) and similar proteins. This
subgroup corresponds to the RRM3 of p40-TIA-1, the
40-kDa isoform of T-cell-restricted intracellular
antigen-1 (TIA-1) and a cytotoxic granule-associated
RNA-binding protein mainly found in the granules of
cytotoxic lymphocytes. TIA-1 can be phosphorylated by a
serine/threonine kinase that is activated during
Fas-mediated apoptosis, and function as the granule
component responsible for inducing apoptosis in
cytolytic lymphocyte (CTL) targets. It is composed of
three N-terminal highly homologous RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains), and a glutamine-rich
C-terminal auxiliary domain containing a
lysosome-targeting motif. TIA-1 interacts with RNAs
containing short stretches of uridylates and its RRM2
can mediate the specific binding to uridylate-rich RNAs.
.
Length = 74
Score = 29.3 bits (65), Expect = 0.28
Identities = 15/71 (21%), Positives = 35/71 (49%), Gaps = 6/71 (8%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++ GG+ L+E + FS +G+I+ + + D KG+ F+ + S ++ ++
Sbjct: 3 VYCGGVTSGLTEQLMRQTFSPFGQIMEVRVFPD------KGYSFVRFNSHESAAHAIVSV 56
Query: 96 NGVKVLSRTIR 106
NG + ++
Sbjct: 57 NGTTIEGHVVK 67
>gnl|CDD|220431 pfam09831, DUF2058, Uncharacterized protein conserved in bacteria
(DUF2058). This domain, found in various prokaryotic
proteins, has no known function.
Length = 177
Score = 30.6 bits (70), Expect = 0.29
Identities = 10/28 (35%), Positives = 16/28 (57%)
Query: 168 KHKEKKVKKEKKKKKKRKKSSSSSSSSS 195
K K KK KKEK+K++K+ + +
Sbjct: 14 KKKAKKAKKEKRKQRKQARKGADDGDDE 41
>gnl|CDD|241113 cd12669, RRM1_Nop12p_like, RNA recognition motif 1 in yeast
nucleolar protein 12 (Nop12p) and similar proteins.
This subgroup corresponds to the RRM1 of Nop12p which is
encoded by YOL041C from Saccharomyces cerevisiae. It is
a novel nucleolar protein required for pre-25S rRNA
processing and normal rates of cell growth at low
temperatures. Nop12p shares high sequence similarity
with nucleolar protein 13 (Nop13p). Both, Nop12p and
Nop13p, are not essential for growth. However, unlike
Nop13p that localizes primarily to the nucleolus but
also present in the nucleoplasm to a lesser extent,
Nop12p is localized to the nucleolus. Nop12p contains
two RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains). .
Length = 105
Score = 30.1 bits (68), Expect = 0.30
Identities = 11/33 (33%), Positives = 15/33 (45%)
Query: 78 CFICYEDQRSTVLSVDNLNGVKVLSRTIRVDHV 110
+I Y+ + LNG L R +RVD V
Sbjct: 70 AYIVYKTPALAAKAAKKLNGTVFLGRHLRVDSV 102
>gnl|CDD|240866 cd12420, RRM_RBPMS_like, RNA recognition motif in RNA-binding
protein with multiple splicing (RBP-MS)-like proteins.
This subfamily corresponds to the RRM of RNA-binding
proteins with multiple splicing (RBP-MS)-like proteins,
including protein products of RBPMS genes (RBP-MS and
its paralogue RBP-MS2), the Drosophila couch potato
(cpo), and Caenorhabditis elegans Mec-8 genes. RBP-MS
may be involved in regulation of mRNA translation and
localization during Xenopus laevis development. It has
also been shown to physically interact with Smad2,
Smad3 and Smad4, and stimulates Smad-mediated
transactivation. Cpo may play an important role in
regulating normal function of the nervous system,
whereas mutations in Mec-8 affect mechanosensory and
chemosensory neuronal function. All members contain a
well conserved RNA recognition motif (RRM), also termed
RBD (RNA binding domain) or RNP (ribonucleoprotein
domain). Some uncharacterized family members contain
two RRMs; this subfamily includes their RRM1. Their
RRM2 shows high sequence homology to the RRM of yeast
proteins scw1, Whi3, and Whi4.
Length = 79
Score = 29.5 bits (67), Expect = 0.30
Identities = 17/66 (25%), Positives = 33/66 (50%), Gaps = 3/66 (4%)
Query: 36 IFVGGLPYDLSEGDVICIFSQY-G-EIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVD 93
+FV GLP D+ E ++ +F + G E L ++K G+ + F+ + + ++D
Sbjct: 3 LFVSGLPSDVKERELAHLFRPFPGYEASRLV-FKEKKGGEKQPVGFVDFSSAQCAAAAMD 61
Query: 94 NLNGVK 99
L G +
Sbjct: 62 ALQGYR 67
>gnl|CDD|240804 cd12358, RRM1_VICKZ, RNA recognition motif 1 in the VICKZ family
proteins. Thid subfamily corresponds to the RRM1 of
IGF2BPs (or IMPs) found in the VICKZ family that have
been implicated in the post-transcriptional regulation
of several different RNAs and in subcytoplasmic
localization of mRNAs during embryogenesis. IGF2BPs are
composed of two RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and four hnRNP K homology
(KH) domains.
Length = 73
Score = 29.3 bits (66), Expect = 0.32
Identities = 20/74 (27%), Positives = 38/74 (51%), Gaps = 6/74 (8%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++G L D++E D+ +F ++ V+ LV K G+ F+ DQ +++ L
Sbjct: 1 LYIGNLSSDVNESDLRQLFEEHKIPVSSVLV------KKGGYAFVDCPDQSWADKAIEKL 54
Query: 96 NGVKVLSRTIRVDH 109
NG + + I V+H
Sbjct: 55 NGKILQGKVIEVEH 68
>gnl|CDD|241164 cd12720, RRM_SYNJ2, RNA recognition motif in synaptojanin-2 and
similar proteins. This subgroup corresponds to the RRM
of synaptojanin-2, also termed synaptic
inositol-1,4,5-trisphosphate 5-phosphatase 2, an
ubiquitously expressed central regulatory enzyme in the
phosphoinositide-signaling cascade. As a novel Rac1
effector regulating the early step of clathrin-mediated
endocytosis, synaptojanin-2 acts as a
polyphosphoinositide phosphatase directly and
specifically interacting with Rac1 in a GTP-dependent
manner. It mediates the inhibitory effect of Rac1 on
endocytosis and plays an important role in the
Rac1-mediated control of cell growth. Synaptojanin-2
shows high sequence homology to the N-terminal Sac1p
homology domain, the central inositol 5-phosphatase
domain, the putative RNA recognition motif (RRM) of
synaptojanin-1, but differs in the proline-rich region.
.
Length = 78
Score = 29.4 bits (66), Expect = 0.32
Identities = 17/68 (25%), Positives = 35/68 (51%), Gaps = 10/68 (14%)
Query: 40 GLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVK 99
P DL +++ YG++V + + ++ + + D RS L V +L+G+K
Sbjct: 18 EFPEDLRT-ELLQTLEGYGDVVLVRIAGGQM--------IVTFADSRSA-LEVLDLDGIK 67
Query: 100 VLSRTIRV 107
VL +T+++
Sbjct: 68 VLGKTVKI 75
>gnl|CDD|240994 cd12550, RRM_II_PABPN1, RNA recognition motif in type II
polyadenylate-binding protein 2 (PABP-2) and similar
proteins. This subgroup corresponds to the RRM of
PABP-2, also termed poly(A)-binding protein 2, or
nuclear poly(A)-binding protein 1 (PABPN1), or
poly(A)-binding protein II (PABII), which is a
ubiquitously expressed type II nuclear poly(A)-binding
protein that directs the elongation of mRNA poly(A)
tails during pre-mRNA processing. Although PABP-2 binds
poly(A) with high affinity and specificity as type I
poly(A)-binding proteins, it contains only one highly
conserved RNA recognition motif (RRM), also termed RBD
(RNA binding domain) or RNP (ribonucleoprotein domain),
which is responsible for the poly(A) binding. In
addition, PABP-2 possesses an acidic N-terminal domain
that is essential for the stimulation of PAP, and an
arginine-rich C-terminal domain. .
Length = 76
Score = 29.4 bits (66), Expect = 0.32
Identities = 18/72 (25%), Positives = 36/72 (50%), Gaps = 1/72 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG + Y + ++ F G + + ++ DK +G KGF +I + D+ S ++ L
Sbjct: 2 VYVGNVDYGATAEELEAHFHGCGSVNRVTILCDKFSGHPKGFAYIEFSDKESVRTALA-L 60
Query: 96 NGVKVLSRTIRV 107
+ R I+V
Sbjct: 61 DESLFRGRQIKV 72
>gnl|CDD|240388 PTZ00372, PTZ00372, endonuclease 4-like protein; Provisional.
Length = 413
Score = 31.2 bits (71), Expect = 0.32
Identities = 14/50 (28%), Positives = 25/50 (50%)
Query: 144 LPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSS 193
+ + ++E T +K K++ K + KK+ +KKKK+KK S
Sbjct: 36 KEILSTFSEEENKVATTSTKKDKKEDKNNESKKKSEKKKKKKKEKKEPKS 85
Score = 27.0 bits (60), Expect = 6.7
Identities = 13/51 (25%), Positives = 22/51 (43%)
Query: 146 VKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSS 196
K + + +SK K KK+K ++K+ K E + K K S +
Sbjct: 55 KKDKKEDKNNESKKKSEKKKKKKKEKKEPKSEGETKLGFKTPKKSKKTKKK 105
Score = 27.0 bits (60), Expect = 8.3
Identities = 16/52 (30%), Positives = 25/52 (48%)
Query: 147 KTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
T K +K+ K ESK K K K+KK +K++ K + K + S +
Sbjct: 51 TTSTKKDKKEDKNNESKKKSEKKKKKKKEKKEPKSEGETKLGFKTPKKSKKT 102
>gnl|CDD|240870 cd12424, RRM3_hnRNPL_like, RNA recognition motif 1 in heterogeneous
nuclear ribonucleoprotein L (hnRNP-L) and similar
proteins. This subfamily corresponds to the RRM3 of
heterogeneous nuclear ribonucleoprotein L (hnRNP-L),
heterogeneous nuclear ribonucleoprotein L-like
(hnRNP-LL), and similar proteins. hnRNP-L is a higher
eukaryotic specific subunit of human KMT3a (also known
as HYPB or hSet2) complex required for histone H3 Lys-36
trimethylation activity. It plays both, nuclear and
cytoplasmic, roles in mRNA export of intronless genes,
IRES-mediated translation, mRNA stability, and splicing.
hnRNP-LL plays a critical and unique role in the
signal-induced regulation of CD45 and acts as a global
regulator of alternative splicing in activated T cells.
It is closely related in domain structure and sequence
to hnRNP-L, which contains three RNA-recognition motifs
(RRMs), also known as RBD (RNA binding domain) or RNP
(ribonucleoprotein domain). The family also includes
polypyrimidine tract binding protein homolog 3 (PTBPH3)
found in plant. Although its biological roles remain
unclear, PTBPH3 shows significant sequence similarity to
polypyrimidine tract binding protein (PTB) that is an
important negative regulator of alternative splicing in
mammalian cells and also functions at several other
aspects of mRNA metabolism, including mRNA localization,
stabilization, polyadenylation, and translation. Like
PTB, PTBPH3 contains four RRMs.
Length = 71
Score = 29.1 bits (66), Expect = 0.36
Identities = 16/72 (22%), Positives = 31/72 (43%), Gaps = 10/72 (13%)
Query: 43 YDLSEGDVIC-----IFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNG 97
Y L + + C +F YG N++R K G + D ++ +++ LNG
Sbjct: 5 YGLDKDKMNCDKLFNLFCLYG-----NVLRIKFLKSKPGTAMVQMGDPQAAERAIEYLNG 59
Query: 98 VKVLSRTIRVDH 109
V + + + V+
Sbjct: 60 VVLFGQKLEVNF 71
>gnl|CDD|240692 cd12246, RRM1_U1A_like, RNA recognition motif 1 in the U1A/U2B"/SNF
protein family. This subfamily corresponds to the RRM1
of U1A/U2B"/SNF protein family which contains Drosophila
sex determination protein SNF and its two mammalian
counterparts, U1 small nuclear ribonucleoprotein A (U1
snRNP A or U1-A or U1A) and U2 small nuclear
ribonucleoprotein B" (U2 snRNP B" or U2B"), all of which
consist of two RNA recognition motifs (RRMs), connected
by a variable, flexible linker. SNF is an RNA-binding
protein found in the U1 and U2 snRNPs of Drosophila
where it is essential in sex determination and possesses
a novel dual RNA binding specificity. SNF binds with
high affinity to both Drosophila U1 snRNA stem-loop II
(SLII) and U2 snRNA stem-loop IV (SLIV). It can also
bind to poly(U) RNA tracts flanking the alternatively
spliced Sex-lethal (Sxl) exon, as does Drosophila
Sex-lethal protein (SXL). U1A is an RNA-binding protein
associated with the U1 snRNP, a small RNA-protein
complex involved in pre-mRNA splicing. U1A binds with
high affinity and specificity to stem-loop II (SLII) of
U1 snRNA. It is predominantly a nuclear protein that
shuttles between the nucleus and the cytoplasm
independently of interactions with U1 snRNA. Moreover,
U1A may be involved in RNA 3'-end processing,
specifically cleavage, splicing and polyadenylation,
through interacting with a large number of non-snRNP
proteins. U2B", initially identified to bind to
stem-loop IV (SLIV) at the 3' end of U2 snRNA, is a
unique protein that comprises of the U2 snRNP.
Additional research indicates U2B" binds to U1 snRNA
stem-loop II (SLII) as well and shows no preference for
SLIV or SLII on the basis of binding affinity. Moreover,
U2B" does not require an auxiliary protein for binding
to RNA, and its nuclear transport is independent of U2
snRNA binding. .
Length = 78
Score = 29.0 bits (66), Expect = 0.36
Identities = 13/56 (23%), Positives = 29/56 (51%), Gaps = 3/56 (5%)
Query: 52 CIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRV 107
+FSQ+G ++++ + T K +G F+ ++D S ++ L G + +R+
Sbjct: 22 ALFSQFGPVLDIVASK---TLKMRGQAFVVFKDVESATNALRALQGFPFYDKPMRI 74
>gnl|CDD|241167 cd12723, RRM1_CPEB1, RNA recognition motif 1 in cytoplasmic
polyadenylation element-binding protein 1 (CPEB-1) and
similar proteins. This subgroup corresponds to the
RRM2 of CPEB-1 (also termed CPE-BP1 or CEBP), an
RNA-binding protein that interacts with the cytoplasmic
polyadenylation element (CPE), a short U-rich motif in
the 3' untranslated regions (UTRs) of certain mRNAs. It
functions as a translational regulator that plays a
major role in the control of maternal CPE-containing
mRNA in oocytes, as well as of subsynaptic
CPE-containing mRNA in neurons. Once phosphorylated and
recruiting the polyadenylation complex, CPEB-1 may
function as a translational activator stimulating
polyadenylation and translation. Otherwise, it may
function as a translational inhibitor when
dephosphorylated and bound to a protein such as maskin
or neuroguidin, which blocks translation initiation
through interfering with the assembly of eIF-4E and
eIF-4G. Although CPEB-1 is mainly located in cytoplasm,
it can shuttle between nucleus and cytoplasm. CPEB-1
contains an N-terminal unstructured region, two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
and a Zn-finger motif. Both of the RRMs and the Zn
finger are required for CPEB-1 to bind CPE. The
N-terminal regulatory region may be responsible for
CPEB-1 interacting with other proteins. .
Length = 100
Score = 29.7 bits (67), Expect = 0.38
Identities = 10/28 (35%), Positives = 19/28 (67%)
Query: 33 SAWIFVGGLPYDLSEGDVICIFSQYGEI 60
S +F+GG+P+D++E +I F +G +
Sbjct: 2 SCKVFLGGVPWDITEAGLINTFKPFGSV 29
>gnl|CDD|240697 cd12251, RRM3_hnRNPR_like, RNA recognition motif 3 in heterogeneous
nuclear ribonucleoprotein R (hnRNP R) and similar
proteins. This subfamily corresponds to the RRM3 in
hnRNP R, hnRNP Q, and APOBEC-1 complementation factor
(ACF). hnRNP R is a ubiquitously expressed nuclear
RNA-binding protein that specifically bind mRNAs with a
preference for poly(U) stretches and has been implicated
in mRNA processing and mRNA transport, and also acts as
a regulator to modify binding to ribosomes and RNA
translation. hnRNP Q is also a ubiquitously expressed
nuclear RNA-binding protein. It has been identified as a
component of the spliceosome complex, as well as a
component of the apobec-1 editosome, and has been
implicated in the regulation of specific mRNA transport.
ACF is an RNA-binding subunit of a core complex that
interacts with apoB mRNA to facilitate C to U RNA
editing. It may also act as an apoB mRNA recognition
factor and chaperone and play a key role in cell growth
and differentiation. This family also includes two
functionally unknown RNA-binding proteins, RBM46 and
RBM47. All members contain three conserved RNA
recognition motifs (RRMs), also termed RBDs (RNA binding
domains) or RNPs (ribonucleoprotein domains).
Length = 72
Score = 28.7 bits (65), Expect = 0.40
Identities = 17/72 (23%), Positives = 38/72 (52%), Gaps = 8/72 (11%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V LP +E + +FS+YGE+ + ++D + F+ +E++ V +++ +
Sbjct: 4 LYVRNLPLSTTEEQLRELFSEYGEVERVKKIKD--------YAFVHFEERDDAVKAMEEM 55
Query: 96 NGVKVLSRTIRV 107
NG ++ I V
Sbjct: 56 NGKELEGSPIEV 67
>gnl|CDD|240402 PTZ00399, PTZ00399, cysteinyl-tRNA-synthetase; Provisional.
Length = 651
Score = 31.2 bits (71), Expect = 0.40
Identities = 11/42 (26%), Positives = 27/42 (64%)
Query: 149 EDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSS 190
E++++EK+ K + K+ + +K+ +K+KK+ +K +K+
Sbjct: 551 EELQREKEEKEALKEQKRLRKLKKQEEKKKKELEKLEKAKIP 592
Score = 27.3 bits (61), Expect = 6.2
Identities = 13/41 (31%), Positives = 24/41 (58%)
Query: 146 VKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
K +D ++ + K + K++K K K+E+KKKK+ +K
Sbjct: 545 WKLDDKEELQREKEEKEALKEQKRLRKLKKQEEKKKKELEK 585
>gnl|CDD|241197 cd12753, RRM1_RBM10, RNA recognition motif 1 in vertebrate
RNA-binding protein 10 (RBM10). This subgroup
corresponds to the RRM1 of RBM10, also termed G patch
domain-containing protein 9, or RNA-binding protein S1-1
(S1-1), a paralog of putative tumor suppressor
RNA-binding protein 5 (RBM5 or LUCA15 or H37). It may
play an important role in mRNA generation, processing
and degradation in several cell types. The rat homolog
of human RBM10 is protein S1-1, a hypothetical RNA
binding protein with poly(G) and poly(U) binding
capabilities. RBM10 is structurally related to RBM5 and
RNA-binding protein 6 (RBM6 or NY-LU-12 or g16 or
DEF-3). It contains two RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), two C2H2-type zinc fingers,
and a G-patch/D111 domain. .
Length = 85
Score = 29.3 bits (65), Expect = 0.41
Identities = 23/85 (27%), Positives = 46/85 (54%), Gaps = 3/85 (3%)
Query: 33 SAWIFVGGLPYDLSEGDVICIFSQYG-EIVNLNLVRDKITGKSKGFCFICYED-QRSTVL 90
S I + LP + +E D+ ++G + + L+R+K +G+S+GF F+ + Q +T
Sbjct: 2 SNIIMLRMLPQNATETDIRGQLQEHGIQPREVRLMRNKSSGQSRGFAFVEFNHLQDATRW 61
Query: 91 SVDNLNGVKVLSRTIRVDHVNDYKP 115
N + + +L + + + H +D KP
Sbjct: 62 MEANQHSLMILGQKVSM-HYSDPKP 85
>gnl|CDD|240969 cd12525, RRM1_MEI2_fungi, RNA recognition motif 1 in fungal
Mei2-like proteins. This subgroup corresponds to the
RRM1 of fungal Mei2-like proteins. The Mei2 protein is
an essential component of the switch from mitotic to
meiotic growth in the fission yeast Schizosaccharomyces
pombe. It is an RNA-binding protein that contains three
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains).
In the nucleus, S. pombe Mei2 stimulates meiosis upon
binding a specific non-coding RNA through its
C-terminal RRM motif. .
Length = 72
Score = 28.9 bits (65), Expect = 0.42
Identities = 14/54 (25%), Positives = 28/54 (51%), Gaps = 4/54 (7%)
Query: 33 SAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQR 86
+ ++ V G+P D+S ++ IF + G++ + V+ SKG + + D R
Sbjct: 1 TRYLKVTGVPKDVSTSNLKEIFEKMGDVKGI-FVKKL---LSKGIVIVSFHDLR 50
>gnl|CDD|240755 cd12309, RRM2_Spen, RNA recognition motif 2 in the Spen (split
end) protein family. This subfamily corresponds to the
RRM2 domain in the Spen (split end) protein family
which includes RNA binding motif protein 15 (RBM15),
putative RNA binding motif protein 15B (RBM15B), and
similar proteins found in Metazoa. RBM15, also termed
one-twenty two protein 1 (OTT1), conserved in
eukaryotes, is a novel mRNA export factor and component
of the NXF1 pathway. It binds to NXF1 and serves as
receptor for the RNA export element RTE. It also
possess mRNA export activity and can facilitate the
access of DEAD-box protein DBP5 to mRNA at the nuclear
pore complex (NPC). RNA-binding protein 15B (RBM15B),
also termed one twenty-two 3 (OTT3), is a paralog of
RBM15 and therefore has post-transcriptional regulatory
activity. It is a nuclear protein sharing with RBM15
the association with the splicing factor compartment
and the nuclear envelope as well as the binding to mRNA
export factors NXF1 and Aly/REF. Members in this family
belong to the Spen (split end) protein family, which
share a domain architecture comprising of three
N-terminal RNA recognition motifs (RRMs), also known as
RBD (RNA binding domain) or RNP (ribonucleoprotein
domain), and a C-terminal SPOC (Spen paralog and
ortholog C-terminal) domain. .
Length = 79
Score = 28.9 bits (65), Expect = 0.47
Identities = 11/49 (22%), Positives = 27/49 (55%), Gaps = 1/49 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYED 84
+FVG L ++E ++ F +YG + ++++ R G+ + F+ + +
Sbjct: 5 LFVGNLEITITEEELRRAFERYGVVEDVDIKRPP-RGQGNAYAFVKFLN 52
>gnl|CDD|241110 cd12666, RRM2_RAVER2, RNA recognition motif 2 in vertebrate
ribonucleoprotein PTB-binding 2 (raver-2). This
subgroup corresponds to the RRM2 of raver-2, a novel
member of the heterogeneous nuclear ribonucleoprotein
(hnRNP) family. It is present in vertebrates and shows
high sequence homology to raver-1, a ubiquitously
expressed co-repressor of the nucleoplasmic splicing
repressor polypyrimidine tract-binding protein
(PTB)-directed splicing of select mRNAs. In contrast,
raver-2 exerts a distinct spatio-temporal expression
pattern during embryogenesis and is mainly limited to
differentiated neurons and glia cells. Although it
displays nucleo-cytoplasmic shuttling in heterokaryons,
raver2 localizes to the nucleus in glia cells and
neurons. Raver-2 can interact with PTB and may
participate in PTB-mediated RNA-processing. However,
there is no evidence indicating that raver-2 can bind
to cytoplasmic proteins. Raver-2 contains three
N-terminal RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), two putative nuclear localization signals
(NLS) at the N- and C-termini, a central leucine-rich
region, and a C-terminal region harboring two
[SG][IL]LGxxP motifs. Raver-2 binds to PTB through the
SLLGEPP motif only, and binds to RNA through its RRMs.
.
Length = 77
Score = 28.7 bits (64), Expect = 0.48
Identities = 15/45 (33%), Positives = 22/45 (48%)
Query: 38 VGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICY 82
V LP + + + YG I LV ++TG SKG+ F+ Y
Sbjct: 4 VTNLPISFTLEEFEELVRAYGNIERCFLVYSEVTGHSKGYGFVEY 48
>gnl|CDD|220252 pfam09468, RNase_H2-Ydr279, Ydr279p protein family (RNase H2
complex component). RNases H are enzymes that
specifically hydrolyse RNA when annealed to a
complementary DNA and are present in all living
organisms. In yeast RNase H2 is composed of a complex of
three proteins (Rnh2Ap, Ydr279p and Ylr154p), this
family represents the homologues of Ydr279p. It is not
known whether non yeast proteins in this family fulfil
the same function.
Length = 287
Score = 30.4 bits (69), Expect = 0.50
Identities = 18/92 (19%), Positives = 34/92 (36%), Gaps = 16/92 (17%)
Query: 105 IRVDHVNDYKPPKDNKYTDEETKKLRTIGCAPGTEFGSILPVKTEDIKQEKDSKPTESKD 164
+ + + +KY E KK R +TE+ + +S+ + +
Sbjct: 210 ELLKSLLIPEFKPLDKYLKESKKKKR----------------ETEEDVEAAESRAEKKRK 253
Query: 165 KKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSS 196
K + K+KK K+ K K +K + S
Sbjct: 254 SKEEIKKKKPKESKGVKALKKVVAKGMKKIDS 285
>gnl|CDD|241089 cd12645, RRM_SRSF3, RNA recognition motif in vertebrate
serine/arginine-rich splicing factor 3 (SRSF3). This
subgroup corresponds to the RRM of SRSF3, also termed
pre-mRNA-splicing factor SRp20, a splicing regulatory
serine/arginine (SR) protein that modulates alternative
splicing by interacting with RNA cis-elements in a
concentration- and cell differentiation-dependent
manner. It is also involved in termination of
transcription, alternative RNA polyadenylation, RNA
export, and protein translation. SRSF3 is critical for
cell proliferation and tumor induction and maintenance.
SRSF3 can shuttle between the nucleus and cytoplasm. It
contains a single N-terminal RNA recognition motif
(RRM), also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), and a C-terminal RS domain
rich in serine-arginine dipeptides. The RRM domain is
involved in RNA binding, and the RS domain has been
implicated in protein shuttling and protein-protein
interactions. .
Length = 81
Score = 28.9 bits (64), Expect = 0.55
Identities = 20/79 (25%), Positives = 39/79 (49%), Gaps = 5/79 (6%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++VG L + ++ ++ F YG + ++ + R+ GF F+ +ED R +V L
Sbjct: 7 VYVGNLGNNGNKTELERAFGYYGPLRSVWVARN-----PPGFAFVEFEDPRDAADAVREL 61
Query: 96 NGVKVLSRTIRVDHVNDYK 114
+G + +RV+ N K
Sbjct: 62 DGRTLCGCRVRVELSNGEK 80
>gnl|CDD|222466 pfam13945, NST1, Splicing factor, salt tolerance regulator. NST1
is a family of proteins that seem to be involved,
directly or indirectly, in the salt sensitivity of some
cellular functions in yeast. These proteins also
interact with the splicing factor Msl1p.
Length = 189
Score = 29.9 bits (67), Expect = 0.57
Identities = 14/31 (45%), Positives = 19/31 (61%)
Query: 169 HKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
H + K KKKKKKR K++S S ++S S
Sbjct: 25 HNDSSSSKSKKKKKKRSKATSPSHNASDQST 55
>gnl|CDD|225969 COG3435, COG3435, Gentisate 1,2-dioxygenase [Secondary metabolites
biosynthesis, transport, and catabolism].
Length = 351
Score = 30.5 bits (69), Expect = 0.57
Identities = 13/56 (23%), Positives = 22/56 (39%), Gaps = 11/56 (19%)
Query: 30 YKDSAWIFVGGLPYDLSEGDVICIFS-QYGEIVNLNLVRDKITGKSKGFCFICYED 84
+ S + +GG +D S GD+ + S + E VN S+ + D
Sbjct: 288 VEGSGYTIIGGERFDWSAGDIFVVPSWAWHEHVNG----------SEDAVLFSFSD 333
>gnl|CDD|240966 cd12522, RRM4_MRN1, RNA recognition motif 4 of RNA-binding
protein MRN1 and similar proteins. This subgroup
corresponds to the RRM4 of MRN1, also termed multicopy
suppressor of RSC-NHP6 synthetic lethality protein 1,
or post-transcriptional regulator of 69 kDa, which is a
RNA-binding protein found in yeast. Although its
specific biological role remains unclear, MRN1 might be
involved in translational regulation. Members in this
family contain four copies of conserved RNA recognition
motif (RRM), also known as RBD (RNA binding domain) or
RNP (ribonucleoprotein domain). .
Length = 79
Score = 28.5 bits (64), Expect = 0.59
Identities = 15/60 (25%), Positives = 33/60 (55%), Gaps = 6/60 (10%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++G + L+E + FSQYGEI ++N +R+ K F+ + + + + ++D +
Sbjct: 6 VYIGNIDDSLTEEKLRNDFSQYGEIESVNYLRE------KNCAFVNFTNISNAIKAIDGV 59
>gnl|CDD|235640 PRK05901, PRK05901, RNA polymerase sigma factor; Provisional.
Length = 509
Score = 30.3 bits (69), Expect = 0.63
Identities = 10/58 (17%), Positives = 19/58 (32%)
Query: 142 SILPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
K + +K +K +K + ++ KK +KK + D D
Sbjct: 68 DATESDIPKKKTKTAAKAAAAKAPAKKKLKDELDSSKKAEKKNALDKDDDLNYVKDID 125
Score = 28.4 bits (64), Expect = 3.0
Identities = 14/85 (16%), Positives = 28/85 (32%)
Query: 113 YKPPKDNKYTDEETKKLRTIGCAPGTEFGSILPVKTEDIKQEKDSKPTESKDKKRKHKEK 172
+ ++ K E KK ++ + + + K T++ K K
Sbjct: 32 FITKEEIKEALESKKKTPEQIDQVLIFLSGMVKDTDDATESDIPKKKTKTAAKAAAAKAP 91
Query: 173 KVKKEKKKKKKRKKSSSSSSSSSSD 197
KK K + KK+ ++ D
Sbjct: 92 AKKKLKDELDSSKKAEKKNALDKDD 116
>gnl|CDD|241078 cd12634, RRM2_CELF1_2, RNA recognition motif 2 in CUGBP Elav-like
family member CELF-1, CELF-2 and similar proteins.
This subgroup corresponds to the RRM2 of CELF-1 (also
termed BRUNOL-2, or CUG-BP1, or EDEN-BP), CELF-2 (also
termed BRUNOL-3, or ETR-3, or CUG-BP2, or NAPOR), both
of which belong to the CUGBP1 and ETR-3-like factors
(CELF) or BRUNOL (Bruno-like) family of RNA-binding
proteins that have been implicated in the regulation of
pre-mRNA splicing and in the control of mRNA
translation and deadenylation. CELF-1 is strongly
expressed in all adult and fetal tissues tested. Human
CELF-1 is a nuclear and cytoplasmic RNA-binding protein
that regulates multiple aspects of nuclear and
cytoplasmic mRNA processing, with implications for
onset of type 1 myotonic dystrophy (DM1), a
neuromuscular disease associated with an unstable CUG
triplet expansion in the 3'-UTR (3'-untranslated
region) of the DMPK (myotonic dystrophy protein kinase)
gene; it preferentially targets UGU-rich mRNA elements.
It has been shown to bind to a Bruno response element,
a cis-element involved in translational control of
oskar mRNA in Drosophila, and share sequence similarity
to Bruno, the Drosophila protein that mediates this
process. The Xenopus homolog embryo deadenylation
element-binding protein (EDEN-BP) mediates
sequence-specific deadenylation of Eg5 mRNA. It binds
specifically to the EDEN motif in the 3'-untranslated
regions of maternal mRNAs and targets these mRNAs for
deadenylation and translational repression. CELF-1
contains three highly conserved RNA recognition motifs
(RRMs), also known as RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains): two consecutive RRMs
(RRM1 and RRM2) situated in the N-terminal region
followed by a linker region and the third RRM (RRM3)
close to the C-terminus of the protein. The two
N-terminal RRMs of EDEN-BP are necessary for the
interaction with EDEN as well as a part of the linker
region (between RRM2 and RRM3). Oligomerization of
EDEN-BP is required for specific mRNA deadenylation and
binding. CELF-2 is expressed in all tissues at some
level, but highest in brain, heart, and thymus. It has
been implicated in the regulation of nuclear and
cytoplasmic RNA processing events, including
alternative splicing, RNA editing, stability and
translation. CELF-2 shares high sequence identity with
CELF-1, but shows different binding specificity; it
preferentially binds to sequences with UG repeats and
UGUU motifs. It has been shown to bind to a Bruno
response element, a cis-element involved in
translational control of oskar mRNA in Drosophila, and
share sequence similarity to Bruno, the Drosophila
protein that mediates this process. It also binds to
the 3'-UTR of cyclooxygenase-2 messages, affecting both
translation and mRNA stability, and binds to apoB mRNA,
regulating its C to U editing. CELF-2 also contains
three highly conserved RRMs. It binds to RNA via the
first two RRMs, which are also important for
localization in the cytoplasm. The splicing activation
or repression activity of CELF-2 on some specific
substrates is mediated by RRM1/RRM2. Both, RRM1 and
RRM2 of CELF-2, can activate cardiac troponin T (cTNT)
exon 5 inclusion. In addition, CELF-2 possesses a
typical arginine and lysine-rich nuclear localization
signal (NLS) in the C-terminus, within RRM3. .
Length = 81
Score = 28.5 bits (63), Expect = 0.64
Identities = 13/47 (27%), Positives = 26/47 (55%), Gaps = 1/47 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICY 82
+F+G + +E D+ +FS +G+I ++R G S+G F+ +
Sbjct: 4 LFIGMVSKKCNENDIRVMFSPFGQIEECRILRGP-DGLSRGCAFVTF 49
>gnl|CDD|115057 pfam06375, BLVR, Bovine leukaemia virus receptor (BLVR). This
family consists of several bovine specific leukaemia
virus receptors which are thought to function as
transmembrane proteins, although their exact function is
unknown.
Length = 561
Score = 30.4 bits (68), Expect = 0.64
Identities = 13/38 (34%), Positives = 26/38 (68%), Gaps = 2/38 (5%)
Query: 164 DKKRKHKEK--KVKKEKKKKKKRKKSSSSSSSSSSDSD 199
+++R+H+++ K K+EKKK++K K+ S ++SD
Sbjct: 85 EEERRHRQRLEKDKREKKKREKEKRGRRRHHSLGTESD 122
Score = 30.0 bits (67), Expect = 0.75
Identities = 18/40 (45%), Positives = 28/40 (70%), Gaps = 1/40 (2%)
Query: 149 EDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSS 188
+ + KD++ E+K K KHK+KK +KEK++KKK+KK
Sbjct: 261 SEPDEPKDAEAEETK-KSPKHKKKKQRKEKEEKKKKKKHH 299
Score = 28.1 bits (62), Expect = 3.1
Identities = 15/43 (34%), Positives = 24/43 (55%)
Query: 156 DSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
+ K + K K++K KEK+ K+KKK+ + KS + S S
Sbjct: 196 EKKSKKPKKKEKKEKEKERDKDKKKEVEGFKSLLLALDDSPAS 238
Score = 28.1 bits (62), Expect = 3.1
Identities = 12/42 (28%), Positives = 25/42 (59%)
Query: 158 KPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
K E + +++ ++ K +K+K++K+KR + S + SD D
Sbjct: 83 KLEEERRHRQRLEKDKREKKKREKEKRGRRRHHSLGTESDED 124
Score = 27.7 bits (61), Expect = 4.6
Identities = 13/33 (39%), Positives = 20/33 (60%)
Query: 154 EKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
EK P K K+ K++K +KEK++ K +KK
Sbjct: 188 EKGDVPAVEKKSKKPKKKEKKEKEKERDKDKKK 220
Score = 27.7 bits (61), Expect = 5.2
Identities = 15/46 (32%), Positives = 26/46 (56%), Gaps = 2/46 (4%)
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSS 190
P + +D + E+ K K KK+K +++K +K+KKKK + S
Sbjct: 263 PDEPKDAEAEETKKS--PKHKKKKQRKEKEEKKKKKKHHHHRCHHS 306
>gnl|CDD|241109 cd12665, RRM2_RAVER1, RNA recognition motif 2 found in vertebrate
ribonucleoprotein PTB-binding 1 (raver-1). This
subgroup corresponds to the RRM2 of raver-1, a
ubiquitously expressed heterogeneous nuclear
ribonucleoprotein (hnRNP) that serves as a co-repressor
of the nucleoplasmic splicing repressor polypyrimidine
tract-binding protein (PTB)-directed splicing of select
mRNAs. It shuttles between the cytoplasm and the nucleus
and can accumulate in the perinucleolar compartment, a
dynamic nuclear substructure that harbors PTB. Raver-1
also modulates focal adhesion assembly by binding to the
cytoskeletal proteins, including alpha-actinin,
vinculin, and metavinculin (an alternatively spliced
isoform of vinculin) at adhesion complexes, particularly
in differentiated muscle tissue. Raver-1 contains three
N-terminal RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), two putative nuclear localization signals
(NLS) at the N- and C-termini, a central leucine-rich
region, and a C-terminal region harboring two
PTB-binding [SG][IL]LGxxP motifs. Raver1 binds to PTB
through the PTB-binding motifs at its C-terminal half,
and binds to other partners, such as RNA having the
sequence UCAUGCAGUCUG, through its N-terminal RRMs.
Interestingly, the 12-nucleotide RNA having the sequence
UCAUGCAGUCUG with micromolar affinity is found in
vinculin mRNA. Additional research indicates that the
RRM1 of raver-1 directs its interaction with the tail
domain of activated vinculin. Then the raver1/vinculin
tail (Vt) complex binds to vinculin mRNA, which is
permissive for vinculin binding to F-actin. .
Length = 77
Score = 28.4 bits (63), Expect = 0.66
Identities = 19/70 (27%), Positives = 34/70 (48%)
Query: 38 VGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNG 97
+ LP ++ + +G + LV + TG SKG+ F+ Y + S + +L G
Sbjct: 4 IANLPPTYTQQQFEELVRPFGNLERCFLVYSETTGHSKGYGFVEYMKKDSAARAKSDLLG 63
Query: 98 VKVLSRTIRV 107
++ SRT+ V
Sbjct: 64 KQLGSRTLYV 73
>gnl|CDD|222581 pfam14181, YqfQ, YqfQ-like protein. The YqfQ-like protein family
includes the B. subtilis YqfQ protein, also known as
VrrA, which is functionally uncharacterized. This family
of proteins is found in bacteria. Proteins in this
family are typically between 146 and 237 amino acids in
length. There are two conserved sequence motifs: QYGP
and PKLY.
Length = 155
Score = 29.7 bits (67), Expect = 0.67
Identities = 11/45 (24%), Positives = 19/45 (42%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSS 196
E++ ES D+ + + K E K+KKKR+ +
Sbjct: 95 DDEEEETEEESTDETEQEDPPETKTESKEKKKREVPKPKTEKEKP 139
Score = 28.2 bits (63), Expect = 1.8
Identities = 10/51 (19%), Positives = 25/51 (49%)
Query: 147 KTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSD 197
++D ++E + + T+ +++ + K KEKKK++ K + +
Sbjct: 93 SSDDEEEETEEESTDETEQEDPPETKTESKEKKKREVPKPKTEKEKPKTEP 143
>gnl|CDD|238591 cd01186, INT_SG3_C, INT_SG3, DNA breaking-rejoining enzymes,
integrase/recombinases subgroup 3, catalytic domain. The
CD contains various predicted bacterial and phage
integrase/recombinase sequences for which not much
experimental characterization is available.
Length = 180
Score = 29.5 bits (67), Expect = 0.74
Identities = 16/60 (26%), Positives = 26/60 (43%), Gaps = 2/60 (3%)
Query: 129 LRTIGCAPGTEFGSILPVKTEDIKQEKDSKPTESKDKKRK--HKEKKVKKEKKKKKKRKK 186
L IG G IL +K +D++ ++ E K KRK + +K+E K +
Sbjct: 29 LFLIGINTGLRISDILALKVKDVRGDERISIKEKKTGKRKRIYLNPILKEELLYYIKDLE 88
>gnl|CDD|226894 COG4499, COG4499, Predicted membrane protein [Function unknown].
Length = 434
Score = 29.8 bits (67), Expect = 0.90
Identities = 25/105 (23%), Positives = 44/105 (41%), Gaps = 19/105 (18%)
Query: 82 YEDQRSTVLSVDNLNGVKVLSRTIRVDHVNDYKPPKDNKYTDEETKKLRTIGCAPGTEFG 141
V S +L+G K R + + +Y NK + TKKL +
Sbjct: 349 LTKLYEEVKSNTDLSGDK------RQELLKEY-----NKKLQDYTKKLGEVKDETDAS-- 395
Query: 142 SILPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
+ + K +++ E +KK+K + + KEK++K +RKK
Sbjct: 396 -----EEAEAKAKEEKLKQEENEKKQKEQADE-DKEKRQKDERKK 434
>gnl|CDD|220648 pfam10243, MIP-T3, Microtubule-binding protein MIP-T3. This
protein, which interacts with both microtubules and
TRAF3 (tumour necrosis factor receptor-associated factor
3), is conserved from worms to humans. The N-terminal
region is the microtubule binding domain and is
well-conserved; the C-terminal 100 residues, also
well-conserved, constitute the coiled-coil region which
binds to TRAF3. The central region of the protein is
rich in lysine and glutamic acid and carries KKE motifs
which may also be necessary for tubulin-binding, but
this region is the least well-conserved.
Length = 506
Score = 29.9 bits (67), Expect = 0.99
Identities = 12/86 (13%), Positives = 34/86 (39%)
Query: 114 KPPKDNKYTDEETKKLRTIGCAPGTEFGSILPVKTEDIKQEKDSKPTESKDKKRKHKEKK 173
KP K+ K + ++ + P + ++ K+ + K+++ +++K
Sbjct: 93 KPAKEPKNESGKEEEKEKEQVKEEKKKKKEKPKEEPKDRKPKEEAKEKRPPKEKEKEKEK 152
Query: 174 VKKEKKKKKKRKKSSSSSSSSSSDSD 199
+E + +++ KK + S
Sbjct: 153 KVEEPRDREEEKKRERVRAKSRPKKP 178
Score = 27.9 bits (62), Expect = 4.2
Identities = 14/45 (31%), Positives = 25/45 (55%)
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSS 189
KT+ K+ K+ E + +K + KE+K KK++K K++ K
Sbjct: 89 AAKTKPAKEPKNESGKEEEKEKEQVKEEKKKKKEKPKEEPKDRKP 133
Score = 27.2 bits (60), Expect = 7.2
Identities = 11/41 (26%), Positives = 21/41 (51%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSS 192
K E K++ K +EK+ ++ K++KKK+K+
Sbjct: 88 PAAKTKPAKEPKNESGKEEEKEKEQVKEEKKKKKEKPKEEP 128
>gnl|CDD|241049 cd12605, RRM_RALYL, RNA recognition motif in vertebrate
RNA-binding Raly-like protein (RALYL). This subgroup
corresponds to the RRM of RALYL, also termed
heterogeneous nuclear ribonucleoprotein C-like 3, or
hnRNP core protein C-like 3, a putative RNA-binding
protein that shows high sequence homology with Raly, an
RNA-binding protein playing a critical role in
embryonic development. The biological role of RALYL
remains unclear. Like Raly, RALYL contains two distinct
domains, an N-terminal RNA recognition motif (RRM),
also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), and a C-terminal auxiliary
domain. .
Length = 69
Score = 27.7 bits (61), Expect = 1.0
Identities = 17/62 (27%), Positives = 31/62 (50%), Gaps = 9/62 (14%)
Query: 36 IFVGGLPYDL-SEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
+F+G L + + D+ IF++YG+IV ++ KG+ F+ Y +R +V
Sbjct: 4 VFIGNLNTAIVKKADIEAIFAKYGKIVGCSV--------HKGYAFVQYISERHARAAVAG 55
Query: 95 LN 96
N
Sbjct: 56 EN 57
>gnl|CDD|240932 cd12488, RRM2_hnRNPR, RNA recognition motif 2 in vertebrate
heterogeneous nuclear ribonucleoprotein R (hnRNP R).
This subgroup corresponds to the RRM2 of hnRNP R, a
ubiquitously expressed nuclear RNA-binding protein that
specifically bind mRNAs with a preference for poly(U)
stretches. Upon binding of RNA, hnRNP R forms oligomers,
most probably dimers. hnRNP R has been implicated in
mRNA processing and mRNA transport, and also acts as a
regulator to modify binding to ribosomes and RNA
translation. hnRNP R is predominantly located in axons
of motor neurons and to a much lower degree in sensory
axons. In axons of motor neurons, it also functions as a
cytosolic protein and interacts with wild type of
survival motor neuron (SMN) proteins directly, further
providing a molecular link between SMN and the
spliceosome. Moreover, hnRNP R plays an important role
in neural differentiation and development, as well as in
retinal development and light-elicited cellular
activities. It contains an acidic auxiliary N-terminal
region, followed by two well-defined and one degenerated
RNA recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
and a C-terminal RGG motif. hnRNP R binds RNA through
its RRM domains. .
Length = 85
Score = 28.2 bits (62), Expect = 1.0
Identities = 21/69 (30%), Positives = 38/69 (55%), Gaps = 6/69 (8%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGE----IVNLNLVRDKITGKSKGFCFICYEDQRSTVLS 91
+FVG +P + ++ +++ FS+ E ++ + DK K++GFCF+ YED +S +
Sbjct: 5 LFVGSIPKNKTKENILEEFSKVTEGLVDVILYHQPDDK--KKNRGFCFLEYEDHKSAAQA 62
Query: 92 VDNLNGVKV 100
L KV
Sbjct: 63 RRRLMSGKV 71
>gnl|CDD|218941 pfam06217, GAGA_bind, GAGA binding protein-like family. This
family includes gbp a protein from Soybean that binds to
GAGA element dinucleotide repeat DNA. It seems likely
that the this domain mediates DNA binding. This putative
domain contains several conserved cysteines and a
histidine suggesting this may be a zinc-binding DNA
interaction domain.
Length = 301
Score = 29.5 bits (66), Expect = 1.1
Identities = 14/65 (21%), Positives = 17/65 (26%), Gaps = 2/65 (3%)
Query: 134 CAPGTEFGSILPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSS 193
E + E K + K K K KK KKK S+ S
Sbjct: 123 PYGTREMHHLEVPPISTAPPEAKEVKKPKK--GQSPKVPKAPKPKKPKKKGSVSNRSVKM 180
Query: 194 SSSDS 198
D
Sbjct: 181 PGIDP 185
Score = 27.5 bits (61), Expect = 4.2
Identities = 14/65 (21%), Positives = 22/65 (33%), Gaps = 2/65 (3%)
Query: 135 APGTEFGSILPVKTE--DIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSS 192
+ P+ T + K+ K K +S + K KK KK+ + K
Sbjct: 126 TREMHHLEVPPISTAPPEAKEVKKPKKGQSPKVPKAPKPKKPKKKGSVSNRSVKMPGIDP 185
Query: 193 SSSSD 197
S D
Sbjct: 186 RSKPD 190
>gnl|CDD|240690 cd12244, RRM2_MSSP, RNA recognition motif 2 in the c-myc gene
single-strand binding proteins (MSSP) family. This
subfamily corresponds to the RRM2 of c-myc gene
single-strand binding proteins (MSSP) family, including
single-stranded DNA-binding protein MSSP-1 (also termed
RBMS1 or SCR2) and MSSP-2 (also termed RBMS2 or SCR3).
All MSSP family members contain two RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains)
or RNPs (ribonucleoprotein domains), both of which are
responsible for the specific DNA binding activity.
Both, MSSP-1 and -2, have been identified as protein
factors binding to a putative DNA replication
origin/transcriptional enhancer sequence present
upstream from the human c-myc gene in both single- and
double-stranded forms. Thus they have been implied in
regulating DNA replication, transcription, apoptosis
induction, and cell-cycle movement, via the interaction
with C-MYC, the product of protooncogene c-myc.
Moreover, they family includes a new member termed
RNA-binding motif, single-stranded-interacting protein
3 (RBMS3), which is not a transcriptional regulator.
RBMS3 binds with high affinity to A/U-rich stretches of
RNA, and to A/T-rich DNA sequences, and functions as a
regulator of cytoplasmic activity. In addition, a
putative meiosis-specific RNA-binding protein termed
sporulation-specific protein 5 (SPO5, or meiotic
RNA-binding protein 1, or meiotically up-regulated gene
12 protein), encoded by Schizosaccharomyces pombe
Spo5/Mug12 gene, is also included in this family. SPO5
is a novel meiosis I regulator that may function in the
vicinity of the Mei2 dot. .
Length = 79
Score = 27.7 bits (62), Expect = 1.1
Identities = 12/44 (27%), Positives = 26/44 (59%), Gaps = 1/44 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCF 79
+++ LP + E D+ + YG++++ ++RD G+S+G F
Sbjct: 3 LYISNLPLHMDEQDLETMLKPYGQVISTRILRDS-KGQSRGVGF 45
>gnl|CDD|241183 cd12739, RRM2_ESRP1, RNA recognition motif 2 in epithelial
splicing regulatory protein 1 (ESRP1) and similar
proteins. This subgroup corresponds to the RRM2 of
ESRP1, also termed RNA-binding motif protein 35A
(RBM35A), which has been identified as an epithelial
cell type-specific regulator of fibroblast growth
factor receptor 2 (FGFR2) splicing. It is required for
expression of epithelial FGFR2-IIIb and the regulation
of CD44, CTNND1 (also termed p120-Catenin) and ENAH
(also termed hMena) splicing. It enhances
epithelial-specific exons of CD44 and ENAH, silences
mesenchymal exons of CTNND1, or both within FGFR2.
Additional research indicated that ESRP1 functions as a
tumor suppressor in colon cancer cells. It may be
involved in posttranscriptional regulation of various
genes by exerting a differential effect on protein
translation via 5' untranslated regions (UTRs) of
mRNAs. ESRP1 contains three RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). .
Length = 109
Score = 28.5 bits (63), Expect = 1.1
Identities = 14/49 (28%), Positives = 22/49 (44%), Gaps = 10/49 (20%)
Query: 40 GLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRST 88
GLP+ + +V+ F Q+ +TG +G F+ Y D R T
Sbjct: 23 GLPFTATAEEVLAFFGQHC----------PVTGGKEGILFVTYPDSRPT 61
>gnl|CDD|215641 PLN03237, PLN03237, DNA topoisomerase 2; Provisional.
Length = 1465
Score = 29.8 bits (67), Expect = 1.2
Identities = 10/50 (20%), Positives = 20/50 (40%)
Query: 149 EDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
ED K E+ + + + + K + KK K ++ +S S +
Sbjct: 1171 EDAKAEEAREKLQRAAARGESGAAKKVSRQAPKKPAPKKTTKKASESETT 1220
>gnl|CDD|240788 cd12342, RRM_Nab3p, RNA recognition motif in yeast nuclear
polyadenylated RNA-binding protein 3 (Nab3p) and
similar proteins. This subfamily corresponds to the
RRM of Nab3p, an acidic nuclear polyadenylated
RNA-binding protein encoded by Saccharomyces cerevisiae
NAB3 gene that is essential for cell viability. Nab3p
is predominantly localized within the nucleoplasm and
essential for growth in yeast. It may play an important
role in packaging pre-mRNAs into ribonucleoprotein
structures amenable to efficient nuclear RNA
processing. Nab3p contains an N-terminal
aspartic/glutamic acid-rich region, a central RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), and a
C-terminal region rich in glutamine and proline
residues. .
Length = 71
Score = 27.4 bits (61), Expect = 1.2
Identities = 13/31 (41%), Positives = 20/31 (64%), Gaps = 1/31 (3%)
Query: 36 IFVGGLPYD-LSEGDVICIFSQYGEIVNLNL 65
+F+G LP +S+ D+ IFS YGE+ + L
Sbjct: 2 LFIGNLPTKRVSKEDLFRIFSTYGELAQIVL 32
>gnl|CDD|240917 cd12473, RRM2_MSSP1, RNA recognition motif 2 found in vertebrate
single-stranded DNA-binding protein MSSP-1. This
subgroup corresponds to the RRM2 of MSSP-1, also termed
RNA-binding motif, single-stranded-interacting protein
1 (RBMS1), or suppressor of CDC2 with RNA-binding motif
2 (SCR2). MSSP-1 is a double- and single-stranded DNA
binding protein that belongs to the c-myc single-strand
binding proteins (MSSP) family. It specifically
recognizes the sequence CT(A/T)(A/T)T, and stimulates
DNA replication in the system using SV40 DNA. MSSP-1 is
identical with Scr2, a human protein which complements
the defect of cdc2 kinase in Schizosaccharomyces pombe.
MSSP-1 has been implied in regulating DNA replication,
transcription, apoptosis induction, and cell-cycle
movement, via the interaction with c-MYC, the product
of protooncogene c-myc. MSSP-1 contains two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
both of which are responsible for the specific DNA
binding activity as well as induction of apoptosis. .
Length = 85
Score = 27.8 bits (61), Expect = 1.3
Identities = 13/62 (20%), Positives = 31/62 (50%), Gaps = 1/62 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++ LP + E ++ + +G++++ ++RD +G S+G F E + +
Sbjct: 3 LYISNLPLSMDEQELENMLKPFGQVISTRILRDS-SGTSRGVGFARMESTEKCEAVISHF 61
Query: 96 NG 97
NG
Sbjct: 62 NG 63
>gnl|CDD|112562 pfam03753, HHV6-IE, Human herpesvirus 6 immediate early protein.
The proteins in this family are poorly characterized,
but an investigation has indicated that the immediate
early protein is required the down-regulation of MHC
class I expression in dendritic cells. Human herpesvirus
6 immediate early protein is also referred to as U90.
Length = 993
Score = 29.7 bits (66), Expect = 1.3
Identities = 19/78 (24%), Positives = 33/78 (42%), Gaps = 1/78 (1%)
Query: 122 TDEETKKLRTIGCAPGTEFGSILPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKK 181
T+E T ++ G +P S K + K ++ + + KRK K K KK K
Sbjct: 622 TNENTPFSKS-GKSPPEVTPSKTFYKRDKKKDISTNRKVKKRTAKRKTVGYKTDKSKKIK 680
Query: 182 KKRKKSSSSSSSSSSDSD 199
+ ++ SS+S+
Sbjct: 681 SDSLPTDTNVIVISSESE 698
>gnl|CDD|240789 cd12343, RRM1_2_CoAA_like, RNA recognition motif 1 and 2 in
RRM-containing coactivator activator/modulator (CoAA)
and similar proteins. This subfamily corresponds to the
RRM in CoAA (also known as RBM14 or PSP2) and
RNA-binding protein 4 (RBM4). CoAA is a heterogeneous
nuclear ribonucleoprotein (hnRNP)-like protein
identified as a nuclear receptor coactivator. It
mediates transcriptional coactivation and RNA splicing
effects in a promoter-preferential manner, and is
enhanced by thyroid hormone receptor-binding protein
(TRBP). CoAA contains two N-terminal RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains) or
RNPs (ribonucleoprotein domains), and a TRBP-interacting
domain. RBM4 is a ubiquitously expressed splicing factor
with two isoforms, RBM4A (also known as Lark homolog)
and RBM4B (also known as RBM30), which are very similar
in structure and sequence. RBM4 may also function as a
translational regulator of stress-associated mRNAs as
well as play a role in micro-RNA-mediated gene
regulation. RBM4 contains two N-terminal RRMs, a
CCHC-type zinc finger, and three alanine-rich regions
within their C-terminal regions. This family also
includes Drosophila RNA-binding protein lark (Dlark), a
homolog of human RBM4. It plays an important role in
embryonic development and in the circadian regulation of
adult eclosion. Dlark shares high sequence similarity
with RBM4 at the N-terminal region. However, Dlark has
three proline-rich segments instead of three
alanine-rich segments within the C-terminal region. .
Length = 66
Score = 27.2 bits (61), Expect = 1.3
Identities = 16/72 (22%), Positives = 36/72 (50%), Gaps = 8/72 (11%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FVG LP + ++ +F +YG + ++V++ + F+ E++ ++ L
Sbjct: 2 LFVGNLPDATTSEELRALFEKYGTVTECDVVKN--------YGFVHMEEEEDAEDAIKAL 53
Query: 96 NGVKVLSRTIRV 107
NG + + + I V
Sbjct: 54 NGYEFMGKRINV 65
>gnl|CDD|241163 cd12719, RRM_SYNJ1, RNA recognition motif in synaptojanin-1 and
similar proteins. This subgroup corresponds to the RRM
of synaptojanin-1, also termed synaptojanin, or synaptic
inositol-1,4,5-trisphosphate 5-phosphatase 1, originally
identified as one of the major Grb2-binding proteins
that may participate in synaptic vesicle endocytosis. It
also acts as a Src homology 3 (SH3) domain-binding
brain-specific inositol 5-phosphatase with a putative
role in clathrin-mediated endocytosis. Synaptojanin-1
contains an N-terminal domain homologous to the
cytoplasmic portion of the yeast protein Sac1p, a
central inositol 5-phosphatase domain followed by a
putative RNA recognition motif (RRM), also termed RBD
(RNA binding domain) or RNP (ribonucleoprotein domain),
and a C-terminal proline-rich region mediating the
binding of synaptojanin-1 to various SH3
domain-containing proteins including amphiphysin, SH3p4,
SH3p8, SH3p13, and Grb2. Synaptojanin-1 has two
tissue-specific alternative splicing isoforms,
synaptojanin-145 expressed in brain and synaptojanin-170
expressed in peripheral tissues. Synaptojanin-145 is
very abundant in nerve terminals and may play an
essential role in the clathrin-mediated endocytosis of
synaptic vesicles. In contrast to synaptojanin-145,
synaptojanin-170 contains three unique
asparagine-proline-phenylalanine (NPF) motifs in the
C-terminal region and may functions as a potential
binding partner for Eps15, a clathrin coat-associated
protein acting as a major substrate for the tyrosine
kinase activity of the epidermal growth factor receptor.
.
Length = 77
Score = 27.4 bits (61), Expect = 1.3
Identities = 15/54 (27%), Positives = 31/54 (57%), Gaps = 9/54 (16%)
Query: 54 FSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRV 107
F+ +GE++ + V DK+ ++ + + +S L+ +LNG +VL +TI +
Sbjct: 30 FASFGEVILIRFVADKM--------WVTFLEGQS-ALNALSLNGTEVLGKTITI 74
>gnl|CDD|227632 COG5322, COG5322, Predicted dehydrogenase [General function
prediction only].
Length = 351
Score = 29.1 bits (65), Expect = 1.4
Identities = 21/90 (23%), Positives = 31/90 (34%), Gaps = 14/90 (15%)
Query: 31 KDSAWIFVGGLPYDLSE-----GDVICIFSQYGEIV----NLNLVRDKITGKSKGFCFIC 81
K I GG P D+ G V I G +V ++ KI G F C
Sbjct: 252 KPGCLIVDGGYPKDVDTSVKNVGGVRII---PGGLVEHSLDITWGIMKIVGMPVRQLFAC 308
Query: 82 YEDQRSTVLSVDNLNGVKVLSRTIRVDHVN 111
+ + +L + + R I VD +
Sbjct: 309 LAE--TLILEFEGEHTNFSWGRQILVDKME 336
>gnl|CDD|240919 cd12475, RRM2_RBMS3, RNA recognition motif 2 found in vertebrate
RNA-binding motif, single-stranded-interacting protein
3 (RBMS3). This subgroup corresponds to the RRM2 of
RBMS3, a new member of the c-myc gene single-strand
binding proteins (MSSP) family of DNA regulators.
Unlike other MSSP proteins, RBMS3 is not a
transcriptional regulator. It binds with high affinity
to A/U-rich stretches of RNA, and to A/T-rich DNA
sequences, and functions as a regulator of cytoplasmic
activity. RBMS3 contain two N-terminal RNA recognition
motifs (RRMs), also termed RBDs (RNA binding domains)
or RNPs (ribonucleoprotein domains), and its C-terminal
region is acidic and enriched in prolines, glutamines
and threonines. .
Length = 88
Score = 27.8 bits (61), Expect = 1.4
Identities = 13/62 (20%), Positives = 30/62 (48%), Gaps = 1/62 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++ LP + E ++ + +G +++ ++RD G S+G F E + + +
Sbjct: 4 LYISNLPVSMDEQELENMLKPFGHVISTRILRDA-NGVSRGVGFARMESTEKCEVVIQHF 62
Query: 96 NG 97
NG
Sbjct: 63 NG 64
>gnl|CDD|227519 COG5192, BMS1, GTP-binding protein required for 40S ribosome
biogenesis [Translation, ribosomal structure and
biogenesis].
Length = 1077
Score = 29.3 bits (65), Expect = 1.4
Identities = 8/36 (22%), Positives = 24/36 (66%)
Query: 151 IKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
++ KD + E + ++ KE+++ K++K++++R +
Sbjct: 1023 KERIKDQEEKERMESLQRAKEEEIGKKEKEREQRIR 1058
>gnl|CDD|222592 pfam14204, Ribosomal_L18_c, Ribosomal L18 C-terminal region. This
domain is the C-terminal end of ribosomal L18/L5
proteins.
Length = 93
Score = 27.9 bits (63), Expect = 1.4
Identities = 11/26 (42%), Positives = 14/26 (53%)
Query: 163 KDKKRKHKEKKVKKEKKKKKKRKKSS 188
D RK KEKK K + K+ KK +
Sbjct: 57 ADPSRKKKEKKEVKAESKRYNAKKLT 82
>gnl|CDD|241104 cd12660, RRM2_MYEF2, RNA recognition motif 2 in vertebrate myelin
expression factor 2 (MEF-2). This subgroup corresponds
to the RRM2 of MEF-2, also termed MyEF-2 or MST156, a
sequence-specific single-stranded DNA (ssDNA) binding
protein that binds specifically to ssDNA derived from
the proximal (MB1) element of the myelin basic protein
(MBP) promoter and represses transcription of the MBP
gene. MEF-2 contains three RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), which may be responsible
for its ssDNA binding activity. .
Length = 76
Score = 27.3 bits (60), Expect = 1.4
Identities = 19/74 (25%), Positives = 34/74 (45%), Gaps = 1/74 (1%)
Query: 34 AWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVD 93
+ IFV L + + + +FS G + ++ DK GKS+G + +E V ++
Sbjct: 1 STIFVANLDFKVGWKKLKEVFSIAGTVKRADIKEDK-DGKSRGMGTVTFEQPIEAVQAIS 59
Query: 94 NLNGVKVLSRTIRV 107
NG + R + V
Sbjct: 60 MFNGQFLFDRPMHV 73
>gnl|CDD|241199 cd12755, RRM2_RBM5, RNA recognition motif 2 in vertebrate
RNA-binding protein 5 (RBM5). This subgroup corresponds
to the RRM2 of RBM5, also termed protein G15, or
putative tumor suppressor LUCA15, or renal carcinoma
antigen NY-REN-9, a known modulator of apoptosis. It may
also act as a tumor suppressor or an RNA splicing
factor. RBM5 shows high sequence similarity to
RNA-binding protein 6 (RBM6 or NY-LU-12 or g16 or
DEF-3). Both, RBM5 and RBM6, specifically bind poly(G)
RNA. They contain two RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), two C2H2-type zinc fingers,
a nuclear localization signal, and a G-patch/D111
domain. .
Length = 86
Score = 27.6 bits (61), Expect = 1.5
Identities = 17/55 (30%), Positives = 28/55 (50%), Gaps = 12/55 (21%)
Query: 62 NLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGV--------KVLSRTIRVD 108
N+ L++DK T +++GF F+ Q S+ L L + K+ +TI VD
Sbjct: 33 NIRLIKDKQTQQNRGFAFV----QLSSALEASQLLQILQSLHPPLKIDGKTIGVD 83
>gnl|CDD|241006 cd12562, RRM2_RBM5_like, RNA recognition motif 2 in RNA-binding
protein 5 (RBM5) and similar proteins. This subgroup
corresponds to the RRM2 of RNA-binding protein 5 (RBM5
or LUCA15 or H37), RNA-binding protein 10 (RBM10 or
S1-1) and similar proteins. RBM5 is a known modulator of
apoptosis. It may also act as a tumor suppressor or an
RNA splicing factor; it specifically binds poly(G) RNA.
RBM10, a paralog of RBM5, may play an important role in
mRNA generation, processing and degradation in several
cell types. The rat homolog of human RBM10 is protein
S1-1, a hypothetical RNA binding protein with poly(G)
and poly(U) binding capabilities. Both, RBM5 and RBM10,
contain two RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), two C2H2-type zinc fingers, and a G-patch/D111
domain. .
Length = 86
Score = 27.5 bits (61), Expect = 1.5
Identities = 17/55 (30%), Positives = 28/55 (50%), Gaps = 12/55 (21%)
Query: 62 NLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGV--------KVLSRTIRVD 108
N+ L++DK T +++GF F+ Q S+ L L + K+ +TI VD
Sbjct: 33 NIRLIKDKQTQQNRGFAFV----QLSSALEASQLLQILQALHPPLKIDGKTIGVD 83
>gnl|CDD|241055 cd12611, RRM1_NGR1_NAM8_like, RNA recognition motif 1 in yeast
negative growth regulatory protein NGR1, yeast protein
NAM8 and similar proteins. This subgroup corresponds
to the RRM1 of NGR1 and NAM8. NGR1, also termed
RNA-binding protein RBP1, is a putative
glucose-repressible protein that binds both, RNA and
single-stranded DNA (ssDNA), in yeast. It may function
in regulating cell growth in early log phase, possibly
through its participation in RNA metabolism. NGR1
contains two RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), two of which are followed by a glutamine-rich
stretch that may be involved in transcriptional
activity. In addition, NGR1 has an asparagine-rich
region near the carboxyl terminus which also harbors a
methionine-rich region. The subgroup also includes
NAM8, a putative RNA-binding protein that acts as a
suppressor of mitochondrial splicing deficiencies when
overexpressed in yeast. It may be a non-essential
component of the mitochondrial splicing machinery. Like
NGR1, NAM8 contains two RRMs. .
Length = 81
Score = 27.4 bits (61), Expect = 1.5
Identities = 10/35 (28%), Positives = 22/35 (62%), Gaps = 1/35 (2%)
Query: 47 EGDVICIFSQYG-EIVNLNLVRDKITGKSKGFCFI 80
E + +++ G E VN+ ++R + +G + G+CF+
Sbjct: 13 ENFIKQVWASLGLEPVNVKVIRSRNSGLNAGYCFV 47
>gnl|CDD|215774 pfam00183, HSP90, Hsp90 protein.
Length = 529
Score = 29.4 bits (66), Expect = 1.5
Identities = 15/38 (39%), Positives = 26/38 (68%)
Query: 149 EDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
E+ K+EK + ++ DK+ + E++ K+EKKKK K+ K
Sbjct: 41 EEEKEEKKEEEEKTTDKEEEVDEEEEKEEKKKKTKKVK 78
Score = 27.8 bits (62), Expect = 4.4
Identities = 14/41 (34%), Positives = 25/41 (60%)
Query: 146 VKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
V E+ ++EK+ K E + K +E ++EK++KKK+ K
Sbjct: 35 VPDEEEEEEKEEKKEEEEKTTDKEEEVDEEEEKEEKKKKTK 75
>gnl|CDD|222911 PHA02616, PHA02616, VP2/VP3; Provisional.
Length = 259
Score = 28.9 bits (64), Expect = 1.5
Identities = 14/45 (31%), Positives = 18/45 (40%)
Query: 154 EKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
KD ++ KRK E KK KKS + + SS S
Sbjct: 196 NKDIYKIPTQAVKRKQDELHPVSPTKKAALSKKSKWTGTKSSQSS 240
Score = 27.7 bits (61), Expect = 3.6
Identities = 9/45 (20%), Positives = 17/45 (37%)
Query: 147 KTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSS 191
+ +D + KK K K + KK++ R S++
Sbjct: 209 RKQDELHPVSPTKKAALSKKSKWTGTKSSQSSKKRRGRSTGRSTT 253
>gnl|CDD|240981 cd12537, RRM1_RBM23, RNA recognition motif 1 in vertebrate probable
RNA-binding protein 23 (RBM23). This subgroup
corresponds to the RRM1 of RBM23, also termed
RNA-binding region-containing protein 4, or splicing
factor SF2, which may function as a pre-mRNA splicing
factor. It shows high sequence homology to RNA-binding
protein 39 (RBM39 or HCC1), a nuclear autoantigen that
contains an N-terminal arginine/serine rich (RS) motif
and three RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains). In contrast to RBM39, RBM23 contains only two
RRMs. .
Length = 85
Score = 27.7 bits (61), Expect = 1.5
Identities = 17/66 (25%), Positives = 36/66 (54%), Gaps = 6/66 (9%)
Query: 42 PYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVL 101
P DL + FS G++ ++ ++ D+ + +SKG ++ + + +S L++ L G ++L
Sbjct: 15 PRDLED-----FFSAVGKVRDVRIISDRNSRRSKGIAYVEFCEIQSVPLAI-GLTGQRLL 68
Query: 102 SRTIRV 107
I V
Sbjct: 69 GVPIIV 74
>gnl|CDD|240691 cd12245, RRM_scw1_like, RNA recognition motif in yeast cell wall
integrity protein scw1 and similar proteins. This
subfamily corresponds to the RRM of the family including
yeast cell wall integrity protein scw1, yeast Whi3
protein, yeast Whi4 protein and similar proteins. The
strong cell wall protein 1, scw1, is a nonessential
cytoplasmic RNA-binding protein that regulates septation
and cell-wall structure in fission yeast. It may
function as an inhibitor of septum formation, such that
its loss of function allows weak SIN signaling to
promote septum formation. It's RRM domain shows high
homology to two budding yeast proteins, Whi3 and Whi4.
Whi3 is a dose-dependent modulator of cell size and has
been implicated in cell cycle control in the yeast
Saccharomyces cerevisiae. It functions as a negative
regulator of ceroid-lipofuscinosis, neuronal 3 (Cln3), a
G1 cyclin that promotes transcription of many genes to
trigger the G1/S transition in budding yeast. It
specifically binds the CLN3 mRNA and localizes it into
discrete cytoplasmic loci that may locally restrict Cln3
synthesis to modulate cell cycle progression. Moreover,
Whi3 plays a key role in cell fate determination in
budding yeast. The RRM domain is essential for Whi3
function. Whi4 is a partially redundant homolog of Whi3,
also containing one RRM. Some uncharacterized family
members of this subfamily contain two RRMs; their RRM1
shows high sequence homology to the RRM of RNA-binding
protein with multiple splicing (RBP-MS)-like proteins.
Length = 79
Score = 27.6 bits (62), Expect = 1.5
Identities = 22/73 (30%), Positives = 36/73 (49%), Gaps = 9/73 (12%)
Query: 36 IFVGGLPYDLSEGDVICIFS-QYGEIVNLNLVRDKITGKSKG-FCFICYEDQRSTVLSVD 93
+FV L + +E ++ +FS Q G R K+ K G CF+ +ED +++
Sbjct: 5 LFVANLGPNTTEEELRQLFSRQPG------FRRLKMHNKGGGPVCFVEFEDVSFATQALN 58
Query: 94 NLNGVKVLSRTIR 106
+L G VLS + R
Sbjct: 59 SLQG-AVLSSSDR 70
>gnl|CDD|223321 COG0243, BisC, Anaerobic dehydrogenases, typically
selenocysteine-containing [Energy production and
conversion].
Length = 765
Score = 29.4 bits (66), Expect = 1.6
Identities = 11/67 (16%), Positives = 25/67 (37%), Gaps = 14/67 (20%)
Query: 18 LSSG-SKTSWHDQYK--DSAWIFVGGLPY-----------DLSEGDVICIFSQYGEIVNL 63
L++G K H + P+ + +GD++ + ++ GE+
Sbjct: 644 LTTGRLKNHLHSTTYNLRVPLRAIAPRPFVWINPEDAAKLGIKDGDLVRVENRRGEVEAR 703
Query: 64 NLVRDKI 70
V ++I
Sbjct: 704 AKVTERI 710
>gnl|CDD|218435 pfam05104, Rib_recp_KP_reg, Ribosome receptor lysine/proline rich
region. This highly conserved region is found towards
the C-terminus of the transmembrane domain. The function
is unclear.
Length = 151
Score = 28.4 bits (63), Expect = 1.6
Identities = 16/35 (45%), Positives = 23/35 (65%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
KQ K+S T+S+ +K KEK +K+ K KKK +K
Sbjct: 12 KQRKESGKTQSQKSDKKKKEKVSEKKGKSKKKEEK 46
>gnl|CDD|240869 cd12423, RRM3_PTBP1_like, RNA recognition motif 3 in polypyrimidine
tract-binding protein 1 (PTB or hnRNP I) and similar
proteins. This subfamily corresponds to the RRM3 of
polypyrimidine tract-binding protein 1 (PTB or hnRNP I),
polypyrimidine tract-binding protein 2 (PTBP2 or nPTB),
regulator of differentiation 1 (Rod1), and similar
proteins found in Metazoa. PTB is an important negative
regulator of alternative splicing in mammalian cells and
also functions at several other aspects of mRNA
metabolism, including mRNA localization, stabilization,
polyadenylation, and translation. PTBP2 is highly
homologous to PTB and is perhaps specific to the
vertebrates. Unlike PTB, PTBP2 is enriched in the brain
and in some neural cell lines. It binds more stably to
the downstream control sequence (DCS) RNA than PTB does
but is a weaker repressor of splicing in vitro. PTBP2
also greatly enhances the binding of two other proteins,
heterogeneous nuclear ribonucleoprotein (hnRNP) H and
KH-type splicing-regulatory protein (KSRP), to the DCS
RNA. The binding properties of PTBP2 and its reduced
inhibitory activity on splicing imply roles in
controlling the assembly of other splicing-regulatory
proteins. PTBP2 also contains four RRMs. ROD1 coding
protein Rod1 is a mammalian PTB homolog of a regulator
of differentiation in the fission yeast
Schizosaccharomyces pombe, where the nrd1 gene encodes
an RNA binding protein negatively regulates the onset of
differentiation. ROD1 is predominantly expressed in
hematopoietic cells or organs. It may play a role
controlling differentiation in mammals. All members in
this family contain four RNA recognition motifs (RRM),
also known as RBD (RNA binding domain) or RNP
(ribonucleoprotein domain). .
Length = 74
Score = 27.2 bits (61), Expect = 1.7
Identities = 18/74 (24%), Positives = 33/74 (44%), Gaps = 6/74 (8%)
Query: 36 IFVGGLPYDLSEGDVICI-FSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
+ V L ++ D + F YG ++VR KI K I D + ++ +
Sbjct: 2 LLVSNLNEEMVTPDALFTLFGVYG-----DVVRVKILFNKKDTALIQMADPQQAQTALTH 56
Query: 95 LNGVKVLSRTIRVD 108
LNG+++ + +RV
Sbjct: 57 LNGIRLHGKKLRVT 70
>gnl|CDD|221641 pfam12569, NARP1, NMDA receptor-regulated protein 1. This domain
family is found in eukaryotes, and is approximately 40
amino acids in length. The family is found in
association with pfam07719, pfam00515. There is a single
completely conserved residue L that may be functionally
important. NARP1 is the mammalian homologue of a yeast
N-terminal acetyltransferase that regulates entry into
the G(0) phase of the cell cycle.
Length = 516
Score = 29.1 bits (66), Expect = 1.7
Identities = 13/55 (23%), Positives = 28/55 (50%), Gaps = 5/55 (9%)
Query: 145 PVKTEDIKQEKDSKPTESKD-----KKRKHKEKKVKKEKKKKKKRKKSSSSSSSS 194
P+ E ++E ++ + KK++ EKK +KE+ +K KK + +++
Sbjct: 391 PLLAEGEEEEGENGNLSPAERKKLRKKQRKAEKKAEKEEAEKAAAKKKAEAAAKK 445
Score = 26.8 bits (60), Expect = 8.7
Identities = 12/35 (34%), Positives = 15/35 (42%), Gaps = 1/35 (2%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
KQ K K E K++ K KK + KK K
Sbjct: 417 KQRKAEKKAE-KEEAEKAAAKKKAEAAAKKAKGPD 450
>gnl|CDD|215214 PLN02381, PLN02381, valyl-tRNA synthetase.
Length = 1066
Score = 29.1 bits (65), Expect = 1.8
Identities = 15/48 (31%), Positives = 24/48 (50%), Gaps = 1/48 (2%)
Query: 152 KQEKDSKPTESKDKK-RKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
K+ + E K KK K KEK++KK K +K+ K + +S +
Sbjct: 10 KKILTEEELERKKKKEEKAKEKELKKLKAAQKEAKAKLQAQQASDGTN 57
Score = 28.3 bits (63), Expect = 3.3
Identities = 10/47 (21%), Positives = 22/47 (46%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
K++K+ K E + KK K +K+ K + + ++ ++ S
Sbjct: 21 KKKKEEKAKEKELKKLKAAQKEAKAKLQAQQASDGTNVPKKSEKKSR 67
Score = 27.6 bits (61), Expect = 6.2
Identities = 13/38 (34%), Positives = 21/38 (55%)
Query: 148 TEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRK 185
TE ++K E + KK+K ++ K K+ KK K +K
Sbjct: 4 TESEAEKKILTEEELERKKKKEEKAKEKELKKLKAAQK 41
Score = 27.2 bits (60), Expect = 7.0
Identities = 13/57 (22%), Positives = 26/57 (45%)
Query: 142 SILPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
+ I E++ + + K++K K KE K K +K+ K K + +S ++
Sbjct: 3 RTESEAEKKILTEEELERKKKKEEKAKEKELKKLKAAQKEAKAKLQAQQASDGTNVP 59
>gnl|CDD|215590 PLN03123, PLN03123, poly [ADP-ribose] polymerase; Provisional.
Length = 981
Score = 29.0 bits (65), Expect = 1.8
Identities = 15/46 (32%), Positives = 21/46 (45%)
Query: 154 EKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
++ K K KRK K KK K R S+S+++S SD
Sbjct: 195 AEERKQESKKGAKRKKDASGDDKSKKAKTDRDVSTSTAASQKKSSD 240
>gnl|CDD|233160 TIGR00869, sec62, protein translocation protein, Sec62 family.
Members of the NSCC2 family have been sequenced from
various yeast, fungal and animals species including
Saccharomyces cerevisiae, Drosophila melanogaster and
Homo sapiens. These proteins are the Sec62 proteins,
believed to be associated with the Sec61 and Sec63
constituents of the general protein secretary systems of
yeast microsomes. They are also the non-selective cation
(NS) channels of the mammalian cytoplasmic membrane. The
yeast Sec62 protein has been shown to be essential for
cell growth. The mammalian NS channel proteins has been
implicated in platelet derived growth factor(PGDF)
dependent single channel current in fibroblasts. These
channels are essentially closed in serum deprived
tissue-culture cells and are specifically opened by
exposure to PDGF. These channels are reported to exhibit
equal selectivity for Na+, K+ and Cs+ with low
permeability to Ca2+, and no permeability to anions
[Transport and binding proteins, Amino acids, peptides
and amines].
Length = 232
Score = 28.7 bits (64), Expect = 2.0
Identities = 16/48 (33%), Positives = 22/48 (45%)
Query: 143 ILPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSS 190
I P D+ KP +K K+ KK K KK KKK+ K ++
Sbjct: 185 IFPNLFADVGFLDSFKPLWGWHEKDKYSYKKKLKSKKLKKKQAKREAN 232
>gnl|CDD|240898 cd12452, RRM_ARP_like, RNA recognition motif in yeast
asparagine-rich protein (ARP) and similar proteins.
This subfamily corresponds to the RRM of ARP, also
termed NRP1, encoded by Saccharomyces cerevisiae
YDL167C. Although its exact biological function remains
unclear, ARP contains an RNA recognition motif (RRM),
also termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), two Ran-binding protein
zinc fingers (zf-RanBP), and an asparagine-rich region.
It may possess RNA-binding and zinc ion binding
activities. Additional research had indicated that ARP
may function as a factor involved in the stress
response. .
Length = 88
Score = 27.4 bits (61), Expect = 2.0
Identities = 13/62 (20%), Positives = 28/62 (45%), Gaps = 13/62 (20%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++ LP D ++ ++ F+QYG + F + D+ + V S D++
Sbjct: 3 LYISNLPPDTTQLELESWFTQYG-------------VRPVAFWTLKTPDEDAYVSSKDSI 49
Query: 96 NG 97
+G
Sbjct: 50 SG 51
>gnl|CDD|240967 cd12523, RRM2_MRN1, RNA recognition motif 2 of RNA-binding
protein MRN1 and similar proteins. This subgroup
corresponds to the RRM2 of MRN1, also termed multicopy
suppressor of RSC-NHP6 synthetic lethality protein 1,
or post-transcriptional regulator of 69 kDa, which is a
RNA-binding protein found in yeast. Although its
specific biological role remains unclear, MRN1 might be
involved in translational regulation. Members in this
family contain four copies of conserved RNA recognition
motif (RRM), also known as RBD (RNA binding domain) or
RNP (ribonucleoprotein domain). .
Length = 78
Score = 27.0 bits (60), Expect = 2.2
Identities = 9/34 (26%), Positives = 20/34 (58%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDK 69
+++G LP SE ++ ++G I + +V++K
Sbjct: 6 VYIGNLPESYSEEELREDLEKFGPIDQIKIVKEK 39
>gnl|CDD|218332 pfam04929, Herpes_DNAp_acc, Herpes DNA replication accessory
factor. Replicative DNA polymerases are capable of
polymerising tens of thousands of nucleotides without
dissociating from their DNA templates. The high
processivity of these polymerases is dependent upon
accessory proteins that bind to the catalytic subunit of
the polymerase or to the substrate. The Epstein-Barr
virus (EBV) BMRF1 protein is an essential component of
the viral DNA polymerase and is absolutely required for
lytic virus replication. BMRF1 is also a transactivator.
This family is predicted to have a UL42 like structure.
Length = 381
Score = 28.5 bits (64), Expect = 2.3
Identities = 10/27 (37%), Positives = 16/27 (59%)
Query: 157 SKPTESKDKKRKHKEKKVKKEKKKKKK 183
+P K+++ +KK KK+K KK K
Sbjct: 348 ERPLALSPKRKREGDKKQKKKKSKKLK 374
>gnl|CDD|218440 pfam05110, AF-4, AF-4 proto-oncoprotein. This family consists of
AF4 (Proto-oncogene AF4) and FMR2 (Fragile X E mental
retardation syndrome) nuclear proteins. These proteins
have been linked to human diseases such as acute
lymphoblastic leukaemia and mental retardation. The
family also contains a Drosophila AF4 protein homologue
Lilliputian which contains an AT-hook domain.
Lilliputian represents a novel pair-rule gene that acts
in cytoskeleton regulation, segmentation and
morphogenesis in Drosophila.
Length = 1154
Score = 28.7 bits (64), Expect = 2.3
Identities = 18/53 (33%), Positives = 27/53 (50%)
Query: 144 LPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSS 196
L + + K + +K K+ E+ K E KK++ +KSSS S SSSS
Sbjct: 729 LSAPKKQTSKTASEKSSSKGKRKHKNDEEADKIESKKQRLEEKSSSCSPSSSS 781
>gnl|CDD|240803 cd12357, RRM_PPARGC1A_like, RNA recognition motif in the
peroxisome proliferator-activated receptor gamma
coactivator 1A (PGC-1alpha) family of regulated
coactivators. This subfamily corresponds to the RRM of
PGC-1alpha, PGC-1beta, and PGC-1-related coactivator
(PRC), which serve as mediators between environmental
or endogenous signals and the transcriptional machinery
governing mitochondrial biogenesis. They play an
important integrative role in the control of
respiratory gene expression through interacting with a
number of transcription factors, such as NRF-1, NRF-2,
ERR, CREB and YY1. All family members are multi-domain
proteins containing the N-terminal activation domain,
an LXXLL coactivator signature, a tetrapeptide motif
(DHDY) responsible for HCF binding, and an RNA
recognition motif (RRM), also termed RBD (RNA binding
domain) or RNP (ribonucleoprotein domain). In contrast
to PGC-1alpha and PRC, PGC-1beta possesses two
glutamic/aspartic acid-rich acidic domains, but lacks
most of the arginine/serine (SR)-rich domain that is
responsible for the regulation of RNA processing. .
Length = 89
Score = 26.9 bits (60), Expect = 2.4
Identities = 17/62 (27%), Positives = 30/62 (48%), Gaps = 5/62 (8%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNL-VRDKITGKSKGFCFICYEDQRSTVLSVDN 94
I+VG +P D + ++ F +GEI + L RD G + G F+ Y ++++
Sbjct: 5 IYVGKIPIDTTRSELRQRFQPFGEIEEITLHFRDD--GDNYG--FVTYRYACDAFRAIEH 60
Query: 95 LN 96
N
Sbjct: 61 GN 62
>gnl|CDD|240918 cd12474, RRM2_MSSP2, RNA recognition motif 2 found in vertebrate
single-stranded DNA-binding protein MSSP-2. This
subgroup corresponds to the RRM2 of MSSP-2, also termed
RNA-binding motif, single-stranded-interacting protein
2 (RBMS2), or suppressor of CDC2 with RNA-binding motif
3 (SCR3). MSSP-2 is a double- and single-stranded DNA
binding protein that belongs to the c-myc single-strand
binding proteins (MSSP) family. It specifically
recognizes the sequence T(C/A)TT, and stimulates DNA
replication in the system using SV40 DNA. MSSP-2 is
identical with Scr3, a human protein which complements
the defect of cdc2 kinase in Schizosaccharomyces pombe.
MSSP-2 has been implied in regulating DNA replication,
transcription, apoptosis induction, and cell-cycle
movement, via the interaction with C-MYC, the product
of protooncogene c-myc. MSSP-2 contains two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
both of which are responsible for the specific DNA
binding activity as well as induction of apoptosis. .
Length = 86
Score = 26.9 bits (59), Expect = 2.5
Identities = 13/62 (20%), Positives = 31/62 (50%), Gaps = 1/62 (1%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+++ LP + E ++ + +G++++ ++RD +G S+G F E + +
Sbjct: 3 LYISNLPLSMDEQELESMLKPFGQVISTRILRDA-SGTSRGVGFARMESTEKCEAIITHF 61
Query: 96 NG 97
NG
Sbjct: 62 NG 63
>gnl|CDD|222789 PHA00428, PHA00428, tail tubular protein A.
Length = 193
Score = 28.1 bits (63), Expect = 2.5
Identities = 11/38 (28%), Positives = 18/38 (47%), Gaps = 5/38 (13%)
Query: 32 DSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDK 69
DS ++ GG YD S G ++G V + +V +
Sbjct: 86 DSQYVNRGGYVYDRSTGT-----DRFGSPVTVRIVLLR 118
>gnl|CDD|151847 pfam11408, Helicase_Sgs1, Sgs1 RecQ helicase. RecQ helicases
unwind DNA in an ATP-dependent manner. Sgs1 has a HRDC
(helicase and RNaseD C-terminal) domain which modulates
the helicase function via auxiliary contacts to DNA.
Length = 79
Score = 26.6 bits (59), Expect = 2.6
Identities = 15/68 (22%), Positives = 28/68 (41%)
Query: 103 RTIRVDHVNDYKPPKDNKYTDEETKKLRTIGCAPGTEFGSILPVKTEDIKQEKDSKPTES 162
R ++ N PP D KK+ I A EF +++ + ++ K K T +
Sbjct: 12 RAASINLGNRMNPPVGTFMPDNILKKIAAILPATEDEFATLVGNNDKYRRKYKYFKATIA 71
Query: 163 KDKKRKHK 170
+K++
Sbjct: 72 DLRKKRSS 79
>gnl|CDD|241223 cd12779, RRM1_ROD1, RNA recognition motif 1 in vertebrate regulator
of differentiation 1 (Rod1). This subgroup corresponds
to the RRM1 of ROD1 coding protein Rod1, a mammalian
polypyrimidine tract binding protein (PTB) homolog of a
regulator of differentiation in the fission yeast
Schizosaccharomyces pombe, where the nrd1 gene encodes
an RNA binding protein that negatively regulates the
onset of differentiation. ROD1 is predominantly
expressed in hematopoietic cells or organs. It might
play a role controlling differentiation in mammals. Rod1
contains four repeats of RNA recognition motifs (RRM),
also known as RBD (RNA binding domain) or RNP
(ribonucleoprotein domain) and does have RNA binding
activities. .
Length = 90
Score = 27.0 bits (59), Expect = 2.7
Identities = 17/79 (21%), Positives = 41/79 (51%), Gaps = 4/79 (5%)
Query: 41 LPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKV 100
+P D++E ++I + +G++ NL +++ GKS+ F + E+ T+++ +
Sbjct: 13 IPNDVTEAEIISLGLPFGKVTNLLMLK----GKSQAFLEMASEEAAVTMVNYYTPITPHL 68
Query: 101 LSRTIRVDHVNDYKPPKDN 119
S+ + + + N + DN
Sbjct: 69 RSQPVYIQYSNHRELKTDN 87
>gnl|CDD|223880 COG0810, TonB, Periplasmic protein TonB, links inner and outer
membranes [Cell envelope biogenesis, outer membrane].
Length = 244
Score = 28.2 bits (63), Expect = 2.7
Identities = 12/54 (22%), Positives = 23/54 (42%)
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
P + ++ K K + K K K K K K + K +K S +++ + +
Sbjct: 79 PTPPKPKEKPKPEKKPKKPKPKPKPKPKPKPKVKPQPKPKKPPSKTAAKAPAAP 132
Score = 27.8 bits (62), Expect = 3.3
Identities = 14/43 (32%), Positives = 17/43 (39%)
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKS 187
P + + + P E K K K K KK KK K K K
Sbjct: 62 PPEEQPKPPTEPETPPEPTPPKPKEKPKPEKKPKKPKPKPKPK 104
Score = 27.1 bits (60), Expect = 5.4
Identities = 14/40 (35%), Positives = 19/40 (47%)
Query: 147 KTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
+ E +PT K K++ EKK KK K K K + K
Sbjct: 67 PKPPTEPETPPEPTPPKPKEKPKPEKKPKKPKPKPKPKPK 106
Score = 27.1 bits (60), Expect = 5.9
Identities = 16/55 (29%), Positives = 22/55 (40%), Gaps = 1/55 (1%)
Query: 145 PVKTEDIKQEKDSKP-TESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
E + KP E K KK K K K K K K K + K S +++ +
Sbjct: 74 ETPPEPTPPKPKEKPKPEKKPKKPKPKPKPKPKPKPKVKPQPKPKKPPSKTAAKA 128
Score = 26.7 bits (59), Expect = 7.5
Identities = 15/53 (28%), Positives = 26/53 (49%)
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSD 197
P E K EK K + K K + + KVK + K KK K+++ + ++ +
Sbjct: 82 PKPKEKPKPEKKPKKPKPKPKPKPKPKPKVKPQPKPKKPPSKTAAKAPAAPNQ 134
>gnl|CDD|218738 pfam05766, NinG, Bacteriophage Lambda NinG protein. NinG or Rap is
involved in recombination. Rap (recombination adept with
plasmid) increases lambda-by-plasmid recombination
catalyzed by Escherichia coli's RecBCD pathway.
Length = 188
Score = 28.1 bits (63), Expect = 2.8
Identities = 10/32 (31%), Positives = 15/32 (46%)
Query: 155 KDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
K K E K K E++ K +K+K K +
Sbjct: 35 KREKAQEKKRKAEAQAERRELKARKEKLKTRS 66
>gnl|CDD|234750 PRK00409, PRK00409, recombination and DNA strand exchange inhibitor
protein; Reviewed.
Length = 782
Score = 28.3 bits (64), Expect = 3.0
Identities = 11/36 (30%), Positives = 19/36 (52%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKS 187
K E + +++ + KKEKKKKK+++K
Sbjct: 599 GGYASVKAHELIEARKRLNKANEKKEKKKKKQKEKQ 634
>gnl|CDD|241105 cd12661, RRM3_hnRNPM, RNA recognition motif 3 in vertebrate
heterogeneous nuclear ribonucleoprotein M (hnRNP M).
This subgroup corresponds to the RRM3 of hnRNP M, a
pre-mRNA binding protein that may play an important role
in the pre-mRNA processing. It also preferentially binds
to poly(G) and poly(U) RNA homopolymers. Moreover, hnRNP
M is able to interact with early spliceosomes, further
influencing splicing patterns of specific pre-mRNAs.
hnRNP M functions as the receptor of carcinoembryonic
antigen (CEA) that contains the penta-peptide sequence
PELPK signaling motif. In addition, hnRNP M and another
splicing factor Nova-1 work together as dopamine D2
receptor (D2R) pre-mRNA-binding proteins. They regulate
alternative splicing of D2R pre-mRNA in an antagonistic
manner. hnRNP M contains three RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and an unusual
hexapeptide-repeat region rich in methionine and
arginine residues (MR repeat motif). .
Length = 77
Score = 26.5 bits (58), Expect = 3.1
Identities = 20/72 (27%), Positives = 35/72 (48%), Gaps = 2/72 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
IFV LP+D + + F++ G ++ ++ + GKSKG + +E + +
Sbjct: 2 IFVRNLPFDFTWKMLKDKFNECGHVLYADIKME--NGKSKGCGVVRFESPEVAERACRMM 59
Query: 96 NGVKVLSRTIRV 107
NG K+ R I V
Sbjct: 60 NGYKLNGREIDV 71
>gnl|CDD|236424 PRK09238, PRK09238, bifunctional aconitate hydratase
2/2-methylisocitrate dehydratase; Validated.
Length = 835
Score = 28.2 bits (64), Expect = 3.2
Identities = 12/31 (38%), Positives = 15/31 (48%), Gaps = 5/31 (16%)
Query: 39 GGLP-----YDLSEGDVICIFSQYGEIVNLN 64
G LP L+ GDVI I+ G+I N
Sbjct: 280 GALPIELDVSKLNMGDVIDIYPYKGKIRNET 310
>gnl|CDD|219924 pfam08597, eIF3_subunit, Translation initiation factor eIF3
subunit. This is a family of proteins which are
subunits of the eukaryotic translation initiation factor
3 (eIF3). In yeast it is called Hcr1. The Saccharomyces
cerevisiae protein eIF3j (HCR1) has been shown to be
required for processing of 20S pre-rRNA and binds to 18S
rRNA and eIF3 subunits Rpg1p and Prt1p.
Length = 242
Score = 27.7 bits (62), Expect = 3.3
Identities = 11/41 (26%), Positives = 22/41 (53%)
Query: 146 VKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
+ E+ K + +K K K K +EK+ K +K++K ++
Sbjct: 43 EEKEEEKAKVAAKAKAKKALKAKIEEKEKAKREKEEKGLRE 83
Score = 27.7 bits (62), Expect = 4.0
Identities = 14/41 (34%), Positives = 21/41 (51%)
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRK 185
P+ +EDIK+ + +K + K K K+KK K K K
Sbjct: 174 PLSSEDIKKVSSTLNVLINEKLKAEKAAKGGKKKKGKAKAK 214
Score = 27.3 bits (61), Expect = 5.4
Identities = 10/51 (19%), Positives = 28/51 (54%)
Query: 149 EDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
ED ++E++ +K K +K + K+++++K K+++++ + D
Sbjct: 41 EDEEKEEEKAKVAAKAKAKKALKAKIEEKEKAKREKEEKGLRELEEDTPED 91
>gnl|CDD|218188 pfam04641, Rtf2, Replication termination factor 2. It is vital for
effective cell-replication that replication is not
stalled at any point by, for instance, damaged bases.
Rtf2 stabilizes the replication fork stalled at the
site-specific replication barrier RTS1 by preventing
replication restart until completion of DNA synthesis by
a converging replication fork initiated at a flanking
origin. The RTS1 element terminates replication forks
that are moving in the cen2-distal direction while
allowing forks moving in the cen2-proximal direction to
pass through the region. Rtf2 contains a C2HC2 motif
related to the C3HC4 RING-finger motif, and would appear
to fold up, creating a RING finger-like structure but
forming only one functional Zn2+ ion-binding site.
Length = 254
Score = 27.7 bits (62), Expect = 3.4
Identities = 15/29 (51%), Positives = 22/29 (75%)
Query: 165 KKRKHKEKKVKKEKKKKKKRKKSSSSSSS 193
K R +E+ KK+KKKKKK KK++++ SS
Sbjct: 173 KARLEEERAKKKKKKKKKKTKKNNATGSS 201
>gnl|CDD|240934 cd12490, RRM2_ACF, RNA recognition motif 2 in vertebrate APOBEC-1
complementation factor (ACF). This subgroup
corresponds to the RRM2 of ACF, also termed
APOBEC-1-stimulating protein, an RNA-binding subunit of
a core complex that interacts with apoB mRNA to
facilitate C to U RNA editing. It may also act as an
apoB mRNA recognition factor and chaperone and play a
key role in cell growth and differentiation. ACF
shuttles between the cytoplasm and nucleus. ACF
contains three RNA recognition motifs (RRMs), also
termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), which display high
affinity for an 11 nucleotide AU-rich mooring sequence
3' of the edited cytidine in apoB mRNA. All three RRMs
may be required for complementation of editing activity
in living cells. RRM2/3 are implicated in ACF
interaction with APOBEC-1. .
Length = 85
Score = 26.6 bits (58), Expect = 3.4
Identities = 16/62 (25%), Positives = 30/62 (48%), Gaps = 2/62 (3%)
Query: 32 DSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSK--GFCFICYEDQRSTV 89
D+ +FVGG+P +++ + + V +V K+K GF F+ YE R+
Sbjct: 1 DNCRLFVGGIPKTKKREEILAEMKKVTDGVLDVIVYPSAADKAKNRGFAFVEYESHRAAA 60
Query: 90 LS 91
++
Sbjct: 61 MA 62
>gnl|CDD|240936 cd12492, RRM2_RBM46, RNA recognition motif 2 found in vertebrate
RNA-binding protein 46 (RBM46). This subgroup
corresponds to the RRM2 of RBM46, also termed
cancer/testis antigen 68 (CT68). It is a putative
RNA-binding protein that shows high sequence homology
with heterogeneous nuclear ribonucleoprotein R (hnRNP R)
and heterogeneous nuclear ribonucleoprotein Q (hnRNP Q).
Its biological function remains unclear. Like hnRNP R
and hnRNP Q, RBM46 contains two well-defined and one
degenerated RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains). .
Length = 85
Score = 26.5 bits (58), Expect = 3.4
Identities = 20/81 (24%), Positives = 40/81 (49%), Gaps = 4/81 (4%)
Query: 32 DSAWIFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSK--GFCFICYEDQRSTV 89
D+ +F+G +P + + +++ + E V +V T ++K GF F+ YE R+
Sbjct: 1 DNCRLFIGSIPKEKKKEEILEEMKKVTEGVMDVIVYPSATDRTKNRGFAFVEYESHRAAA 60
Query: 90 LSVDNL--NGVKVLSRTIRVD 108
++ L ++ TI+VD
Sbjct: 61 MARRKLIPGTFQLWGHTIQVD 81
>gnl|CDD|216581 pfam01577, Peptidase_S30, Potyvirus P1 protease. The potyviridae
family positive stand RNA viruses with genome encoding a
polyprotein. members include zucchini yellow mosaic
virus, and turnip mosaic viruses which cause
considerable losses of crops worldwide. This family
consists of a C terminus region from various plant
potyvirus P1 proteins (found at the N terminus of the
polyprotein). The C terminus of P1 is a serine-type
protease responsible for autocatalytic cleavage between
P1 and the helper component protease pfam00851. The
entire P1 protein may be involved in virus-host
interactions.
Length = 245
Score = 27.7 bits (62), Expect = 3.5
Identities = 13/41 (31%), Positives = 18/41 (43%)
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRK 185
V TES + + ++ KK KKKKKK+K
Sbjct: 62 IVSKITPIGTDKVSKTESVSFRTPYYKRTTKKMKKKKKKKK 102
>gnl|CDD|217502 pfam03343, SART-1, SART-1 family. SART-1 is a protein involved in
cell cycle arrest and pre-mRNA splicing. It has been
shown to be a component of U4/U6 x U5 tri-snRNP complex
in human, Schizosaccharomyces pombe and Saccharomyces
cerevisiae. SART-1 is a known tumour antigen in a range
of cancers recognised by T cells.
Length = 603
Score = 28.2 bits (63), Expect = 3.5
Identities = 16/41 (39%), Positives = 23/41 (56%)
Query: 146 VKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
+K ++ + DS T + D + K KK KKKKKK+KK
Sbjct: 247 LKINNVSLDDDSTETPASDYYDVSEMVKFKKPKKKKKKKKK 287
>gnl|CDD|225132 COG2222, AgaS, Predicted phosphosugar isomerases [Cell envelope
biogenesis, outer membrane].
Length = 340
Score = 28.0 bits (63), Expect = 3.6
Identities = 8/27 (29%), Positives = 11/27 (40%)
Query: 33 SAWIFVGGLPYDLSEGDVICIFSQYGE 59
A F+ L E ++ FSQ G
Sbjct: 73 PASEFLTNGAKYLGEDSLVIAFSQSGN 99
>gnl|CDD|240949 cd12505, RRM2_GRSF1, RNA recognition motif 2 in G-rich sequence
factor 1 (GRSF-1) and similar proteins. This subfamily
corresponds to the RRM2 of GRSF-1, a cytoplasmic
poly(A)+ mRNA binding protein which interacts with RNA
in a G-rich element-dependent manner. It may function
in RNA packaging, stabilization of RNA secondary
structure, or other macromolecular interactions. GRSF-1
contains three potential RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), which are responsible for
the RNA binding. In addition, GRSF-1 has two auxiliary
domains, an acidic alpha-helical domain and an
N-terminal alanine-rich region, that may play a role in
protein-protein interactions and provide binding
specificity. .
Length = 75
Score = 26.2 bits (58), Expect = 3.7
Identities = 13/52 (25%), Positives = 22/52 (42%), Gaps = 12/52 (23%)
Query: 40 GLPYDLSEGDVICIFSQYGEIVNLNLVRDKIT------GKSKGFCFICYEDQ 85
GLPY +E D+I F L++V D + G+ G ++ +
Sbjct: 8 GLPYSCTEDDIIDFFR------GLDIVDDGVVIVLNRRGRKTGEAYVQFATP 53
>gnl|CDD|240933 cd12489, RRM2_hnRNPQ, RNA recognition motif 2 in vertebrate
heterogeneous nuclear ribonucleoprotein Q (hnRNP Q).
This subgroup corresponds to the RRM3 of hnRNP Q, also
termed glycine- and tyrosine-rich RNA-binding protein
(GRY-RBP), or NS1-associated protein 1 (NASP1), or
synaptotagmin-binding, cytoplasmic RNA-interacting
protein (SYNCRIP). It is a ubiquitously expressed
nuclear RNA-binding protein identified as a component of
the spliceosome complex, as well as a component of the
apobec-1 editosome. As an alternatively spliced version
of NSAP, it acts as an interaction partner of a
multifunctional protein required for viral replication,
and is implicated in the regulation of specific mRNA
transport. hnRNP Q has also been identified as SYNCRIP
that is a dual functional protein participating in both
viral RNA replication and translation. As a
synaptotagmin-binding protein, hnRNP Q plays a putative
role in organelle-based mRNA transport along the
cytoskeleton. Moreover, hnRNP Q has been found in
protein complexes involved in translationally coupled
mRNA turnover and mRNA splicing. It functions as a
wild-type survival motor neuron (SMN)-binding protein
that may participate in pre-mRNA splicing and modulate
mRNA transport along microtubuli. hnRNP Q contains an
acidic auxiliary N-terminal region, followed by two
well-defined and one degenerated RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), and a C-terminal RGG motif;
hnRNP Q binds RNA through its RRM domains. .
Length = 85
Score = 26.6 bits (58), Expect = 3.8
Identities = 20/69 (28%), Positives = 36/69 (52%), Gaps = 6/69 (8%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGE----IVNLNLVRDKITGKSKGFCFICYEDQRSTVLS 91
+FVG +P ++ ++ FS+ E ++ + DK K++GFCF+ YED ++ +
Sbjct: 5 LFVGSIPKSKTKEQIVEEFSKVTEGLTDVILYHQPDDK--KKNRGFCFLEYEDHKTAAQA 62
Query: 92 VDNLNGVKV 100
L KV
Sbjct: 63 RRRLMSGKV 71
>gnl|CDD|220684 pfam10310, DUF2413, Protein of unknown function (DUF2413). This is
a family of proteins conserved in fungi. The function is
not known.
Length = 436
Score = 27.8 bits (62), Expect = 3.8
Identities = 11/48 (22%), Positives = 17/48 (35%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
+ EK P + K+ R + KK K + SS + S
Sbjct: 43 QSEKAKPPKKPKEASRPGTPRNPKKSSKPTESSAASSEEKPAKPRKSA 90
>gnl|CDD|236944 PRK11642, PRK11642, exoribonuclease R; Provisional.
Length = 813
Score = 28.2 bits (63), Expect = 3.8
Identities = 10/22 (45%), Positives = 12/22 (54%)
Query: 167 RKHKEKKVKKEKKKKKKRKKSS 188
R K+ K K KK +K KK S
Sbjct: 770 RGEKKAKPKAAKKDARKAKKPS 791
>gnl|CDD|215521 PLN02967, PLN02967, kinase.
Length = 581
Score = 28.1 bits (62), Expect = 3.8
Identities = 23/99 (23%), Positives = 44/99 (44%), Gaps = 11/99 (11%)
Query: 107 VDHVNDYKPPKDNKYTDEETKKLRTIGCAPGTEFGSILPVKTEDIKQEKDSKPTESKDKK 166
V+ KP + K ++T + G+E V ED +K+SK T + ++
Sbjct: 65 NGAVSKKKPTRSVKRATKKTVVEISEPLEEGSEL-----VVNEDAALDKESKKTPRRTRR 119
Query: 167 R------KHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
+ +E+K +K+ +K++K KK S+S+
Sbjct: 120 KAAAASSDVEEEKTEKKVRKRRKVKKMDEDVEDQGSESE 158
Score = 27.7 bits (61), Expect = 5.3
Identities = 17/90 (18%), Positives = 30/90 (33%)
Query: 110 VNDYKPPKDNKYTDEETKKLRTIGCAPGTEFGSILPVKTEDIKQEKDSKPTESKDKKRKH 169
N K + + K + + E GS L V + ++ K +K
Sbjct: 64 ENGAVSKKKPTRSVKRATKKTVVEISEPLEEGSELVVNEDAALDKESKKTPRRTRRKAAA 123
Query: 170 KEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
V++EK +KK RK+ +
Sbjct: 124 ASSDVEEEKTEKKVRKRRKVKKMDEDVEDQ 153
>gnl|CDD|220237 pfam09428, DUF2011, Fungal protein of unknown function (DUF2011).
This is a family of fungal proteins whose function is
unknown.
Length = 130
Score = 27.2 bits (61), Expect = 3.9
Identities = 10/21 (47%), Positives = 16/21 (76%)
Query: 165 KKRKHKEKKVKKEKKKKKKRK 185
K+R KEK+ +K ++KK KR+
Sbjct: 104 KERAEKEKRTRKNREKKFKRR 124
>gnl|CDD|236080 PRK07734, motB, flagellar motor protein MotB; Reviewed.
Length = 259
Score = 27.8 bits (62), Expect = 4.0
Identities = 14/43 (32%), Positives = 21/43 (48%)
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKS 187
K ED K+ S + KK++ E K KKE ++ K +K
Sbjct: 71 DQKPEDEKELSASSLEAEQAKKKEEAEAKKKKEMEELKAVQKK 113
>gnl|CDD|240727 cd12281, RRM1_TatSF1_like, RNA recognition motif 1 in HIV
Tat-specific factor 1 (Tat-SF1) and similar proteins.
This subfamily corresponds to the RRM1 of Tat-SF1 and
CUS2. Tat-SF1 is the cofactor for stimulation of
transcriptional elongation by human immunodeficiency
virus-type 1 (HIV-1) Tat. It is a substrate of an
associated cellular kinase. Tat-SF1 contains two RNA
recognition motifs (RRMs), also termed RBDs (RNA
binding domains) or RNPs (ribonucleoprotein domains),
and a highly acidic carboxyl-terminal half. The family
also includes CUS2, a yeast homolog of human Tat-SF1.
CUS2 interacts with U2 RNA in splicing extracts and
functions as a splicing factor that aids assembly of
the splicing-competent U2 snRNP in vivo. CUS2 also
associates with PRP11 that is a subunit of the
conserved splicing factor SF3a. Like Tat-SF1, CUS2
contains two RRMs as well. .
Length = 92
Score = 26.3 bits (59), Expect = 4.2
Identities = 21/72 (29%), Positives = 36/72 (50%), Gaps = 11/72 (15%)
Query: 35 WIFVGGLPYDLSEGDVICIFSQYGEIVNLN---------LVRDKITGKSKGFCFICYEDQ 85
++V GLP D++ + + +FS+ G I+ + L RD+ G KG CY +
Sbjct: 3 NVYVSGLPLDITVEEFVEVFSKCG-IIKEDPETGKPKIKLYRDE-NGNLKGDALCCYLKE 60
Query: 86 RSTVLSVDNLNG 97
S L++ L+G
Sbjct: 61 ESVELAIQLLDG 72
>gnl|CDD|219547 pfam07741, BRF1, Brf1-like TBP-binding domain. This region covers
both the Brf homology II and III regions. This region is
involved in binding TATA binding protein.
Length = 95
Score = 26.4 bits (59), Expect = 4.3
Identities = 13/40 (32%), Positives = 26/40 (65%), Gaps = 2/40 (5%)
Query: 161 ESKDKKRKHKE--KKVKKEKKKKKKRKKSSSSSSSSSSDS 198
E K+ K+K E KK+KK+K K+K+ + +S+++++
Sbjct: 33 EEKELKQKADEGNNSGKKKKKRKAKKKRDEAGPASTAAEA 72
>gnl|CDD|240806 cd12360, RRM_cwf2, RNA recognition motif in yeast
pre-mRNA-splicing factor Cwc2 and similar proteins.
This subfamily corresponds to the RRM of yeast protein
Cwc2, also termed Complexed with CEF1 protein 2, or
PRP19-associated complex protein 40 (Ntc40), or
synthetic lethal with CLF1 protein 3, one of the
components of the Prp19-associated complex [nineteen
complex (NTC)] that can bind to RNA. NTC is composed of
the scaffold protein Prp19 and a number of associated
splicing factors, and plays a crucial role in intron
removal during premature mRNA splicing in eukaryotes.
Cwc2 functions as an RNA-binding protein that can bind
both small nuclear RNAs (snRNAs) and pre-mRNA in vitro.
It interacts directly with the U6 snRNA to link the NTC
to the spliceosome during pre-mRNA splicing. In the
N-terminal half, Cwc2 contains a CCCH-type zinc finger
(ZnF domain), a RNA recognition motif (RRM), also
termed RBD (RNA binding domain) or RNP
(ribonucleoprotein domain), and an intervening loop,
also termed RNA-binding loop or RB loop, between ZnF
and RRM, all of which are necessary and sufficient for
RNA binding. The ZnF is also responsible for mediating
protein-protein interaction. The C-terminal flexible
region of Cwc2 interacts with the WD40 domain of Prp19.
Length = 78
Score = 26.1 bits (58), Expect = 4.4
Identities = 12/52 (23%), Positives = 26/52 (50%), Gaps = 10/52 (19%)
Query: 36 IFVGGLPYDLSEGDVICI----FSQYGEIVNLNLVRDKITGKSKGFCFICYE 83
++VGG+ + + I F ++G+I ++ ++ SKG F+ Y+
Sbjct: 4 LYVGGIKAGSALKQIEEILRRHFGEWGDIEDIRVL------PSKGIAFVRYK 49
>gnl|CDD|215239 PLN02436, PLN02436, cellulose synthase A.
Length = 1094
Score = 27.9 bits (62), Expect = 4.4
Identities = 14/21 (66%), Positives = 16/21 (76%)
Query: 167 RKHKEKKVKKEKKKKKKRKKS 187
RK K+KK KEKKKKK R+ S
Sbjct: 684 RKKKKKKKSKEKKKKKNREAS 704
>gnl|CDD|240254 PTZ00069, PTZ00069, 60S ribosomal protein L5; Provisional.
Length = 300
Score = 27.7 bits (62), Expect = 4.6
Identities = 11/35 (31%), Positives = 15/35 (42%)
Query: 154 EKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSS 188
K K + K K K K K K++K R K+
Sbjct: 253 SKVKKKKKKKKKVVHKKYKTKKLTGKQRKARVKAK 287
>gnl|CDD|184900 PRK14907, rplD, 50S ribosomal protein L4; Provisional.
Length = 295
Score = 27.6 bits (61), Expect = 4.7
Identities = 16/51 (31%), Positives = 23/51 (45%)
Query: 147 KTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSD 197
K +K+ K K T K + K + VKKE KK KK + S+ +
Sbjct: 46 KAAKVKKTKSVKTTTKKVTVKFEKTESVKKESVAKKTVKKEAVSAEVFEAS 96
>gnl|CDD|240921 cd12477, RRM1_U1A, RNA recognition motif 1 found in vertebrate U1
small nuclear ribonucleoprotein A (U1A). This subgroup
corresponds to the RRM1 of U1A (also termed U1 snRNP A
or U1-A), an RNA-binding protein associated with the U1
snRNP, a small RNA-protein complex involved in pre-mRNA
splicing. U1A binds with high affinity and specificity
to stem-loop II (SLII) of U1 snRNA. It is predominantly
a nuclear protein and it also shuttles between the
nucleus and the cytoplasm independently of interactions
with U1 snRNA. U1A may be involved in RNA 3'-end
processing, specifically cleavage, splicing and
polyadenylation, through interacting with a large number
of non-snRNP proteins, including polypyrimidine tract
binding protein (PTB), polypyrimidine-tract binding
protein-associated factor (PSF), and
non-POU-domain-containing, octamer-binding (NONO), DEAD
(Asp-Glu-Ala-Asp) box polypeptide 5 (DDX5). It also
binds to a flavivirus NS5 protein and plays an important
role in virus replication. U1A contains two RNA
recognition motifs (RRMs); the N-terminal RRM (RRM1)
binds tightly and specifically to the U1 snRNA SLII and
its own 3'-UTR, while in contrast, the C-terminal RRM
(RRM2) does not appear to associate with any RNA and may
be free to bind other proteins. U1A also contains a
proline-rich region, and a nuclear localization signal
(NLS) in the central domain that is responsible for its
nuclear import. .
Length = 89
Score = 26.2 bits (57), Expect = 4.8
Identities = 12/57 (21%), Positives = 33/57 (57%), Gaps = 3/57 (5%)
Query: 53 IFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRVDH 109
IFS++G+I+++ + R + K +G F+ +++ S ++ ++ G + +R+ +
Sbjct: 27 IFSRFGQILDILVSR---SLKMRGQAFVIFKEVSSATNALRSMQGFPFYDKPMRIQY 80
>gnl|CDD|219027 pfam06434, Aconitase_2_N, Aconitate hydratase 2 N-terminus. This
family represents the N-terminal region of several
bacterial Aconitate hydratase 2 proteins and is found in
conjunction with pfam00330.
Length = 204
Score = 27.1 bits (61), Expect = 5.1
Identities = 11/31 (35%), Positives = 15/31 (48%), Gaps = 5/31 (16%)
Query: 39 GGLP-----YDLSEGDVICIFSQYGEIVNLN 64
G LP L+ GDVI I+ G+I +
Sbjct: 113 GALPIEADVSSLNTGDVITIYPYEGKITKED 143
>gnl|CDD|240938 cd12494, RRM3_hnRNPR, RNA recognition motif 3 in vertebrate
heterogeneous nuclear ribonucleoprotein R (hnRNP R).
This subgroup corresponds to the RRM3 of hnRNP R. a
ubiquitously expressed nuclear RNA-binding protein that
specifically bind mRNAs with a preference for poly(U)
stretches. Upon binding of RNA, hnRNP R forms oligomers,
most probably dimers. hnRNP R has been implicated in
mRNA processing and mRNA transport, and also acts as a
regulator to modify binding to ribosomes and RNA
translation. hnRNP R is predominantly located in axons
of motor neurons and to a much lower degree in sensory
axons. In axons of motor neurons, it also functions as a
cytosolic protein and interacts with wild type of
survival motor neuron (SMN) proteins directly, further
providing a molecular link between SMN and the
spliceosome. Moreover, hnRNP R plays an important role
in neural differentiation and development, as well as in
retinal development and light-elicited cellular
activities. hnRNP R contains an acidic auxiliary
N-terminal region, followed by two well-defined and one
degenerated RNA recognition motifs (RRMs), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), and a C-terminal RGG motif; hnRNP R binds RNA
through its RRM domains. .
Length = 72
Score = 25.8 bits (56), Expect = 5.4
Identities = 15/72 (20%), Positives = 38/72 (52%), Gaps = 8/72 (11%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
+FV L ++E + FS++G++ + ++D + F+ +E++ + V ++D +
Sbjct: 4 LFVRNLATTVTEEILEKSFSEFGKLERVKKLKD--------YAFVHFEERDAAVRAMDEM 55
Query: 96 NGVKVLSRTIRV 107
NG ++ I +
Sbjct: 56 NGKEIEGEEIEI 67
>gnl|CDD|236768 PRK10819, PRK10819, transport protein TonB; Provisional.
Length = 246
Score = 27.0 bits (60), Expect = 5.8
Identities = 13/51 (25%), Positives = 20/51 (39%), Gaps = 3/51 (5%)
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSS 195
P K + K + K K K K VKK +++ K+ K +S
Sbjct: 84 PPKEAPVVIPKPEPKPKPKPKP---KPKPVKKVEEQPKREVKPVEPRPASP 131
>gnl|CDD|218454 pfam05132, RNA_pol_Rpc4, RNA polymerase III RPC4. Specific subunit
for Pol III, the tRNA specific polymerase.
Length = 131
Score = 26.5 bits (59), Expect = 5.8
Identities = 14/54 (25%), Positives = 25/54 (46%)
Query: 144 LPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSD 197
LP +K + KPT+ + K + E KKE KK+ ++++ + D
Sbjct: 10 LPPVLPGLKPPAEVKPTKEETVKTEQAEDGEKKESKKESSAEETAEDKPCTLRD 63
>gnl|CDD|240737 cd12291, RRM1_La, RNA recognition motif 1 in La autoantigen (La
or LARP3) and similar proteins. This subfamily
corresponds to the RRM1 of La autoantigen, also termed
Lupus La protein, or La ribonucleoprotein, or Sjoegren
syndrome type B antigen (SS-B), a highly abundant
nuclear phosphoprotein and well conserved in
eukaryotes. It specifically binds the 3'-terminal
UUU-OH motif of nascent RNA polymerase III transcripts
and protects them from exonucleolytic degradation by 3'
exonucleases. In addition, La can directly facilitate
the translation and/or metabolism of many UUU-3'
OH-lacking cellular and viral mRNAs, through binding
internal RNA sequences within the untranslated regions
of target mRNAs. La contains an N-terminal La motif
(LAM), followed by two RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains). It also possesses a short
basic motif (SBM) and a nuclear localization signal
(NLS) at the C-terminus. .
Length = 72
Score = 25.6 bits (57), Expect = 6.1
Identities = 14/48 (29%), Positives = 27/48 (56%), Gaps = 1/48 (2%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYE 83
++V G P D + D+ F ++G++ N+ + RD K KG F+ ++
Sbjct: 2 VYVKGFPKDATLDDIQEFFEKFGKVNNIRMRRDL-DKKFKGSVFVEFK 48
>gnl|CDD|203848 pfam08079, Ribosomal_L30_N, Ribosomal L30 N-terminal domain. This
presumed domain is found at the N-terminus of Ribosomal
L30 proteins and has been termed RL30NT or NUC018.
Length = 71
Score = 25.7 bits (57), Expect = 6.2
Identities = 10/22 (45%), Positives = 12/22 (54%)
Query: 165 KKRKHKEKKVKKEKKKKKKRKK 186
KKRK EK K KK+ +K
Sbjct: 4 KKRKRNEKLRAKRAKKRAAKKA 25
>gnl|CDD|219655 pfam07946, DUF1682, Protein of unknown function (DUF1682). The
members of this family are all hypothetical eukaryotic
proteins of unknown function. One member is described as
being an adipocyte-specific protein, but no evidence of
this was found.
Length = 322
Score = 27.2 bits (61), Expect = 6.3
Identities = 12/36 (33%), Positives = 20/36 (55%), Gaps = 4/36 (11%)
Query: 161 ESKDKKRKHKEK----KVKKEKKKKKKRKKSSSSSS 192
E K K +E+ + KKE+KKK++R+ + S
Sbjct: 269 EEKILKAAEEERQEEAQEKKEEKKKEEREAKLAKLS 304
>gnl|CDD|241196 cd12752, RRM1_RBM5, RNA recognition motif 1 in vertebrate
RNA-binding protein 5 (RBM5). This subgroup corresponds
to the RRM1 of RBM5, also termed protein G15, or
putative tumor suppressor LUCA15, or renal carcinoma
antigen NY-REN-9, a known modulator of apoptosis. It may
also act as a tumor suppressor or an RNA splicing
factor. RBM5 shows high sequence similarity to
RNA-binding protein 6 (RBM6 or NY-LU-12 or g16 or
DEF-3). Both, RBM5 and RBM6, specifically bind poly(G)
RNA. They contain two RNA recognition motifs (RRMs),
also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), two C2H2-type zinc fingers,
a nuclear localization signal, and a G-patch/D111
domain. .
Length = 87
Score = 25.7 bits (56), Expect = 6.3
Identities = 23/84 (27%), Positives = 44/84 (52%), Gaps = 4/84 (4%)
Query: 31 KDSAWIFVGGLPYDLSEGDVICIFSQYG--EIVNLNLVRDKITGKSKGFCFI-CYEDQRS 87
K+S I + GLP +++E D+ + + + ++ L++ K TG S+GF F+ Y Q +
Sbjct: 3 KESKTIMLRGLPINITENDIRELIESFEGPQPADVRLMKRK-TGVSRGFAFVEFYHLQDA 61
Query: 88 TVLSVDNLNGVKVLSRTIRVDHVN 111
T N + + +TI + + N
Sbjct: 62 TSWMEANQKKLVIQGKTIAMHYSN 85
>gnl|CDD|173412 PTZ00121, PTZ00121, MAEBL; Provisional.
Length = 2084
Score = 27.4 bits (60), Expect = 6.4
Identities = 6/38 (15%), Positives = 16/38 (42%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSS 189
K E+ K E+ + + + + ++K + +K
Sbjct: 1337 KAEEAKKAAEAAKAEAEAAADEAEAAEEKAEAAEKKKE 1374
>gnl|CDD|237744 PRK14521, rpsP, 30S ribosomal protein S16; Provisional.
Length = 186
Score = 26.7 bits (59), Expect = 6.5
Identities = 11/37 (29%), Positives = 19/37 (51%)
Query: 150 DIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
+ K++K SK ++ K EKKV + + + KK
Sbjct: 115 NAKKDKLSKAKKAAKKAALEAEKKVNEARAEAVAEKK 151
>gnl|CDD|218177 pfam04615, Utp14, Utp14 protein. This protein is found to be part
of a large ribonucleoprotein complex containing the U3
snoRNA. Depletion of the Utp proteins impedes production
of the 18S rRNA, indicating that they are part of the
active pre-rRNA processing complex. This large RNP
complex has been termed the small subunit (SSU)
processome.
Length = 728
Score = 27.3 bits (61), Expect = 6.9
Identities = 15/48 (31%), Positives = 23/48 (47%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDSD 199
K++ K + SK K +K K + KKKKK++KS + D
Sbjct: 508 KKQDSKKKSSSKLDKAANKISKAAVKVKKKKKKEKSIDLDDDLIDEED 555
>gnl|CDD|237236 PRK12858, PRK12858, tagatose 1,6-diphosphate aldolase; Reviewed.
Length = 340
Score = 26.9 bits (60), Expect = 7.3
Identities = 13/40 (32%), Positives = 17/40 (42%), Gaps = 2/40 (5%)
Query: 5 TNVKNIKKLSEQELSSGSKTSWHDQYKDSAWIFVGGLPYD 44
V NI +L+E + T W D+Y I V LP
Sbjct: 302 EGVANITRLNEVLERTA--TPWKDKYGGKDGIEVNDLPAR 339
>gnl|CDD|219621 pfam07890, Rrp15p, Rrp15p. Rrp15p is required for the formation of
60S ribosomal subunits.
Length = 132
Score = 26.2 bits (58), Expect = 7.5
Identities = 16/49 (32%), Positives = 23/49 (46%), Gaps = 3/49 (6%)
Query: 138 TEFGSILPVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
F IL K K P S+ KK +KK+K EK +KK +++
Sbjct: 4 DAFAKILASKL---PASKRKDPILSRSKKLLKAKKKLKSEKLEKKAKRQ 49
>gnl|CDD|240851 cd12405, RRM3_NCL, RNA recognition motif 3 in vertebrate nucleolin.
This subfamily corresponds to the RRM3 of ubiquitously
expressed protein nucleolin, also termed protein C23, is
a multifunctional major nucleolar phosphoprotein that
has been implicated in various metabolic processes, such
as ribosome biogenesis, cytokinesis, nucleogenesis, cell
proliferation and growth, cytoplasmic-nucleolar
transport of ribosomal components, transcriptional
repression, replication, signal transduction, inducing
chromatin decondensation, etc. Nucleolin exhibits
intrinsic self-cleaving, DNA helicase, RNA helicase and
DNA-dependent ATPase activities. It can be
phosphorylated by many protein kinases, such as the
major mitotic kinase Cdc2, casein kinase 2 (CK2), and
protein kinase C-zeta. Nucleolin shares similar domain
architecture with gar2 from Schizosaccharomyces pombe
and NSR1 from Saccharomyces cerevisiae. The highly
phosphorylated N-terminal domain of nucleolin is made up
of highly acidic regions separated from each other by
basic sequences, and contains multiple phosphorylation
sites. The central domain of nucleolin contains four
closely adjacent N-terminal RNA recognition motifs
(RRMs), also termed RBDs (RNA binding domains) or RNPs
(ribonucleoprotein domains), which suggests that
nucleolin is potentially able to interact with multiple
RNA targets. The C-terminal RGG (or GAR) domain of
nucleolin is rich in glycine, arginine and phenylalanine
residues, and contains high levels of
NG,NG-dimethylarginines. .
Length = 72
Score = 25.2 bits (55), Expect = 7.5
Identities = 9/37 (24%), Positives = 22/37 (59%)
Query: 72 GKSKGFCFICYEDQRSTVLSVDNLNGVKVLSRTIRVD 108
G+ KG+ F+ +E ++++ N ++ R+IR++
Sbjct: 35 GRPKGYAFVEFESAEDAKEALNSCNNTEIEGRSIRLE 71
>gnl|CDD|240977 cd12533, RRM_EWS, RNA recognition motif in vertebrate Ewing
Sarcoma Protein (EWS). This subgroup corresponds to
the RRM of EWS, also termed Ewing sarcoma breakpoint
region 1 protein, a member of the FET (previously TET)
(FUS/TLS, EWS, TAF15) family of RNA- and DNA-binding
proteins whose expression is altered in cancer. It is a
multifunctional protein and may play roles in
transcription and RNA processing. EWS is involved in
transcriptional regulation by interacting with the
preinitiation complex TFIID and the RNA polymerase II
(RNAPII) complexes. It is also associated with splicing
factors, such as the U1 snRNP protein U1C, suggesting
its implication in pre-mRNA splicing. Additionally, EWS
has been shown to regulate DNA damage-induced
alternative splicing (AS). Like other members in the
FET family, EWS contains an N-terminal Ser, Gly, Gln
and Tyr-rich region composed of multiple copies of a
degenerate hexapeptide repeat motif. The C-terminal
region consists of a conserved nuclear import and
retention signal (C-NLS), a C2/C2 zinc-finger motif, a
conserved RNA recognition motif (RRM), also termed RBD
(RNA binding domain) or RNP (ribonucleoprotein domain),
and at least 1 arginine-glycine-glycine (RGG)-repeat
region. EWS specifically binds to poly G and poly U
RNA. It also binds to the proximal-element DNA of the
macrophage-specific promoter of the CSF-1 receptor
gene. .
Length = 84
Score = 25.6 bits (56), Expect = 7.7
Identities = 21/70 (30%), Positives = 35/70 (50%), Gaps = 8/70 (11%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEI-VN-------LNLVRDKITGKSKGFCFICYEDQRS 87
I+V GL +++ ++ F G + +N +N+ DK TGK KG + YED S
Sbjct: 3 IYVQGLNDNVTLEELADFFKHCGVVKINKRTGQPMVNIYTDKETGKPKGDATVSYEDPPS 62
Query: 88 TVLSVDNLNG 97
+V+ +G
Sbjct: 63 AKAAVEWFDG 72
>gnl|CDD|240882 cd12436, RRM1_2_MATR3_like, RNA recognition motif 1 and 2 in the
matrin 3 family of nuclear proteins. This subfamily
corresponds to the RRM of the matrin 3 family of nuclear
proteins consisting of Matrin 3 (MATR3), nuclear protein
220 (NP220) and similar proteins. MATR3 is a highly
conserved inner nuclear matrix protein that has been
implicated in various biological processes. NP220 is a
large nucleoplasmic DNA-binding protein that binds to
cytidine-rich sequences, such as CCCCC (G/C), in
double-stranded DNA (dsDNA). Both, Matrin 3 and NP220,
contain two RNA recognition motif (RRM), also termed
RBDs (RNA binding domains) or RNPs (ribonucleoprotein
domains), and a Cys2-His2 zinc finger-like motif at the
C-terminal region. .
Length = 76
Score = 25.3 bits (56), Expect = 7.7
Identities = 9/74 (12%), Positives = 33/74 (44%), Gaps = 5/74 (6%)
Query: 36 IFVGGLPYD-LSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDN 94
+ + LP +E +++ + +G++ + + + ++K F + + ++S
Sbjct: 3 VRLSNLPEGGYTEAELLKLAEPFGKVDHYIFLPN----RNKAFIEMESPEDAQALVSFYK 58
Query: 95 LNGVKVLSRTIRVD 108
+ + ++I+V
Sbjct: 59 TYPLTIGGKSIKVA 72
>gnl|CDD|235778 PRK06319, PRK06319, DNA topoisomerase I/SWI domain fusion protein;
Validated.
Length = 860
Score = 27.1 bits (60), Expect = 7.8
Identities = 12/32 (37%), Positives = 17/32 (53%)
Query: 158 KPTESKDKKRKHKEKKVKKEKKKKKKRKKSSS 189
K T++K K K K K KKK K + K ++
Sbjct: 749 KKTKAKKKSASTKGKAAKTVKKKSKAKSKKTT 780
Score = 26.7 bits (59), Expect = 9.8
Identities = 11/35 (31%), Positives = 16/35 (45%)
Query: 159 PTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSS 193
P E K K +K K K KK+ K+ S ++
Sbjct: 746 PYEKKTKAKKKSASTKGKAAKTVKKKSKAKSKKTT 780
>gnl|CDD|219564 pfam07771, TSGP1, Tick salivary peptide group 1. This contains a
group of peptides derived from a salivary gland cDNA
library of the tick Ixodes scapularis. Also present are
peptides from a related tick species, Ixodes ricinus.
They are characterized by a putative signal peptide
indicative of secretion and conserved cysteine residues.
Length = 120
Score = 26.0 bits (57), Expect = 7.9
Identities = 13/27 (48%), Positives = 15/27 (55%)
Query: 160 TESKDKKRKHKEKKVKKEKKKKKKRKK 186
+K K K+KK KK KK KK KK
Sbjct: 93 PPEPTEKPKKKKKKSKKTKKPKKSSKK 119
>gnl|CDD|218688 pfam05680, ATP-synt_E, ATP synthase E chain. This family consists
of several ATP synthase E chain sequences which are
components of the CF(0) subunit.
Length = 83
Score = 25.5 bits (56), Expect = 8.7
Identities = 11/41 (26%), Positives = 22/41 (53%)
Query: 158 KPTESKDKKRKHKEKKVKKEKKKKKKRKKSSSSSSSSSSDS 198
K E K ++ + +EK ++K K K+K++ + S + S
Sbjct: 33 KKKEEKIREYEAQEKLIEKAKAAYAKKKQAKQEAKSLAEGS 73
>gnl|CDD|241123 cd12679, RRM_SAFB1_SAFB2, RNA recognition motif in scaffold
attachment factor B1 (SAFB1), scaffold attachment factor
B2 (SAFB2), and similar proteins. This subgroup
corresponds to RRM of SAFB1, also termed scaffold
attachment factor B (SAF-B), heat-shock protein 27
estrogen response element ERE and TATA-box-binding
protein (HET), or heterogeneous nuclear
ribonucleoprotein hnRNP A1- associated protein (HAP), a
large multi-domain protein with well-described functions
in transcriptional repression, RNA splicing and
metabolism, and a proposed role in chromatin
organization. Based on the numerous functions, SAFB1 has
been implicated in many diverse cellular processes
including cell growth and transformation, stress
response, and apoptosis. SAFB1 specifically binds to
AT-rich scaffold or matrix attachment region DNA
elements (S/MAR DNA) by using its N-terminal scaffold
attachment factor-box (SAF-box, also known as SAP
domain), a homeodomain-like DNA binding motif. The
central region of SAFB1 is composed of an RNA
recognition motif (RRM), also known as RBD (RNA binding
domain) or RNP (ribonucleoprotein domain), and a nuclear
localization signal (NLS). The C-terminus of SAFB1
contains Glu/Arg- and Gly-rich regions that might be
involved in protein-protein interaction. Additional
studies indicate that the C-terminal region contains a
potent and transferable transcriptional repression
domain. Another family member is SAFB2, a homolog of
SAFB1. Both SAFB1 and SAFB2 are ubiquitously coexpressed
and share very high sequence similarity, suggesting that
they might function in a similar manner. However, unlike
SAFB1, exclusively existing in the nucleus, SAFB2 is
also present in the cytoplasm. The additional
cytoplasmic localization of SAFB2 implies that it could
play additional roles in the cytoplasmic compartment
which are distinct from the nuclear functions shared
with SAFB1.
Length = 76
Score = 25.5 bits (55), Expect = 8.7
Identities = 15/73 (20%), Positives = 36/73 (49%)
Query: 36 IFVGGLPYDLSEGDVICIFSQYGEIVNLNLVRDKITGKSKGFCFICYEDQRSTVLSVDNL 95
++V GL D+ +FS+YG++V +V + + ++ + F+ +++L
Sbjct: 4 LWVSGLSSTTRATDLKNLFSKYGKVVGAKVVTNARSPGARCYGFVTMSTSEEATKCINHL 63
Query: 96 NGVKVLSRTIRVD 108
+ ++ R I V+
Sbjct: 64 HRTELHGRMISVE 76
>gnl|CDD|234533 TIGR04285, nucleoid_noc, nucleoid occlusion protein. This model
describes nucleoid occlusion protein, a close homolog to
ParB chromosome partitioning proteins including Spo0J in
Bacillus subtilis. Its gene often is located near the
gene for the Spo0J ortholog. This protein bind a
specific DNA sequence and blocks cytokinesis from
happening until chromosome segregation is complete.
Length = 255
Score = 26.7 bits (60), Expect = 8.9
Identities = 15/51 (29%), Positives = 26/51 (50%), Gaps = 9/51 (17%)
Query: 142 SILPVKTED---------IKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKK 183
++L + E+ I++ + K TE KK K +K KK+KK++K
Sbjct: 160 ALLKLPDEELQLEVLNEIIEKGLNVKQTEELIKKLLEKPEKPKKKKKRRKG 210
>gnl|CDD|149343 pfam08229, SHR3_chaperone, ER membrane protein SH3. This family of
proteins are membrane localised chaperones that are
required for correct plasma membrane localisation of
amino acid permeases (AAPs). SH3 prevents AAPs proteins
from aggregating and assists in their correct folding.
In the absence of SH3, AAPs are retained in the ER.
Length = 196
Score = 26.5 bits (59), Expect = 9.2
Identities = 6/39 (15%), Positives = 12/39 (30%), Gaps = 2/39 (5%)
Query: 160 TESKDKKRKHK--EKKVKKEKKKKKKRKKSSSSSSSSSS 196
E KD K + ++ + K++ S
Sbjct: 157 AEWKDAKLLEEFAAEEAEAAAAAKEEESAEGEKKESKKK 195
>gnl|CDD|221275 pfam11861, DUF3381, Domain of unknown function (DUF3381). This
domain is functionally uncharacterized. This domain is
found in eukaryotes. This presumed domain is typically
between 156 to 174 amino acids in length. This domain is
found associated with pfam07780, pfam01728.
Length = 154
Score = 26.1 bits (58), Expect = 9.2
Identities = 9/42 (21%), Positives = 24/42 (57%)
Query: 145 PVKTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKRKK 186
+ E+ + ++ E D+ + + K+K+EK+++ +RK+
Sbjct: 102 EEEEEEEVEVEELDEEEQIDELLEKELAKLKREKRRENERKQ 143
>gnl|CDD|217720 pfam03770, IPK, Inositol polyphosphate kinase. ArgRIII has has
been demonstrated to be an inositol polyphosphate
kinase.
Length = 183
Score = 26.4 bits (59), Expect = 9.2
Identities = 7/19 (36%), Positives = 16/19 (84%)
Query: 176 KEKKKKKKRKKSSSSSSSS 194
E+KK+++++K + S+S+S
Sbjct: 31 SEEKKRRQQRKCAQSTSAS 49
>gnl|CDD|234017 TIGR02794, tolA_full, TolA protein. TolA couples the inner
membrane complex of itself with TolQ and TolR to the
outer membrane complex of TolB and OprL (also called
Pal). Most of the length of the protein consists of
low-complexity sequence that may differ in both length
and composition from one species to another,
complicating efforts to discriminate TolA (the most
divergent gene in the tol-pal system) from paralogs such
as TonB. Selection of members of the seed alignment and
criteria for setting scoring cutoffs are based largely
conserved operon struction. //The Tol-Pal complex is
required for maintaining outer membrane integrity. Also
involved in transport (uptake) of colicins and
filamentous DNA, and implicated in pathogenesis.
Transport is energized by the proton motive force. TolA
is an inner membrane protein that interacts with
periplasmic TolB and with outer membrane porins ompC,
phoE and lamB [Transport and binding proteins, Other,
Cellular processes, Pathogenesis].
Length = 346
Score = 26.7 bits (59), Expect = 9.4
Identities = 10/32 (31%), Positives = 18/32 (56%)
Query: 152 KQEKDSKPTESKDKKRKHKEKKVKKEKKKKKK 183
+ E+++K + + K+K E K K E + K K
Sbjct: 151 QAEEEAKAKAAAEAKKKAAEAKKKAEAEAKAK 182
>gnl|CDD|216833 pfam01991, vATP-synt_E, ATP synthase (E/31 kDa) subunit. This
family includes the vacuolar ATP synthase E subunit, as
well as the archaebacterial ATP synthase E subunit.
Length = 195
Score = 26.1 bits (58), Expect = 9.4
Identities = 11/38 (28%), Positives = 23/38 (60%)
Query: 147 KTEDIKQEKDSKPTESKDKKRKHKEKKVKKEKKKKKKR 184
K E+I+ E + + K + + EKK+++ +KK+K+
Sbjct: 9 KAEEIRAEAEEEFEIEKAEAVEEAEKKIEEIYEKKEKQ 46
>gnl|CDD|223542 COG0466, Lon, ATP-dependent Lon protease, bacterial type
[Posttranslational modification, protein turnover,
chaperones].
Length = 782
Score = 26.8 bits (60), Expect = 10.0
Identities = 14/53 (26%), Positives = 27/53 (50%), Gaps = 8/53 (15%)
Query: 151 IKQE---KDSKPTESKDKKRKHKEKKVKKEKKKK-----KKRKKSSSSSSSSS 195
I++E D E ++ + K ++ K+ KE K+K KK + S S+ ++
Sbjct: 238 IQKELGEDDDDKDEVEELREKIEKLKLPKEAKEKAEKELKKLETMSPMSAEAT 290
Database: CDD.v3.10
Posted date: Mar 20, 2013 7:55 AM
Number of letters in database: 10,937,602
Number of sequences in database: 44,354
Lambda K H
0.308 0.127 0.357
Gapped
Lambda K H
0.267 0.0710 0.140
Matrix: BLOSUM62
Gap Penalties: Existence: 11, Extension: 1
Number of Sequences: 44354
Number of Hits to DB: 9,371,515
Number of extensions: 842693
Number of successful extensions: 5245
Number of sequences better than 10.0: 1
Number of HSP's gapped: 3999
Number of HSP's successfully gapped: 885
Length of query: 199
Length of database: 10,937,602
Length adjustment: 92
Effective length of query: 107
Effective length of database: 6,857,034
Effective search space: 733702638
Effective search space used: 733702638
Neighboring words threshold: 11
Window for multiple hits: 40
X1: 16 ( 7.1 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 42 (21.6 bits)
S2: 56 (25.4 bits)