RPS-BLAST 2.2.26 [Sep-21-2011]
Database: CDD.v3.10
44,354 sequences; 10,937,602 total letters
Searching..................................................done
Query= psy16421
(151 letters)
>gnl|CDD|214653 smart00410, IG_like, Immunoglobulin like. IG domains that cannot
be classified into one of IGv1, IGc1, IGc2, IG.
Length = 85
Score = 47.1 bits (112), Expect = 6e-08
Identities = 16/39 (41%), Positives = 27/39 (69%)
Query: 57 SSDIMVREGSNVSMRCAASGSPPPSIMWRREGGEMITNS 95
+ V+EG +V++ C ASGSPPP + W ++GG+++ S
Sbjct: 1 PPSVTVKEGESVTLSCEASGSPPPEVTWYKQGGKLLAES 39
Score = 28.2 bits (63), Expect = 0.65
Identities = 8/35 (22%), Positives = 15/35 (42%)
Query: 113 AHEGQQLVLECISEAYPKSVNYWTREKGDMIANGK 147
EG+ + L C + P W ++ G ++A
Sbjct: 6 VKEGESVTLSCEASGSPPPEVTWYKQGGKLLAESG 40
>gnl|CDD|214652 smart00409, IG, Immunoglobulin.
Length = 85
Score = 47.1 bits (112), Expect = 6e-08
Identities = 16/39 (41%), Positives = 27/39 (69%)
Query: 57 SSDIMVREGSNVSMRCAASGSPPPSIMWRREGGEMITNS 95
+ V+EG +V++ C ASGSPPP + W ++GG+++ S
Sbjct: 1 PPSVTVKEGESVTLSCEASGSPPPEVTWYKQGGKLLAES 39
Score = 28.2 bits (63), Expect = 0.65
Identities = 8/35 (22%), Positives = 15/35 (42%)
Query: 113 AHEGQQLVLECISEAYPKSVNYWTREKGDMIANGK 147
EG+ + L C + P W ++ G ++A
Sbjct: 6 VKEGESVTLSCEASGSPPPEVTWYKQGGKLLAESG 40
>gnl|CDD|197706 smart00408, IGc2, Immunoglobulin C-2 Type.
Length = 63
Score = 42.4 bits (100), Expect = 3e-06
Identities = 11/28 (39%), Positives = 19/28 (67%)
Query: 64 EGSNVSMRCAASGSPPPSIMWRREGGEM 91
EG +V++ C A G+P P+I W ++G +
Sbjct: 1 EGQSVTLTCPAEGNPVPNITWLKDGKPL 28
Score = 26.6 bits (59), Expect = 1.7
Identities = 8/18 (44%), Positives = 9/18 (50%)
Query: 3 EVSREHMGAYLCIASNGV 20
VS E G Y C+A N
Sbjct: 45 SVSLEDSGLYTCVAENSA 62
Score = 24.7 bits (54), Expect = 6.9
Identities = 8/24 (33%), Positives = 12/24 (50%)
Query: 115 EGQQLVLECISEAYPKSVNYWTRE 138
EGQ + L C +E P W ++
Sbjct: 1 EGQSVTLTCPAEGNPVPNITWLKD 24
>gnl|CDD|143317 cd07693, Ig1_Robo, First immunoglobulin (Ig)-like domain in Robo
(roundabout) receptors and similar proteins. Ig1_Robo:
domain similar to the first immunoglobulin (Ig)-like
domain in Robo (roundabout) receptors. Robo receptors
play a role in the development of the central nervous
system (CNS), and are receptors of Slit protein. Slit is
a repellant secreted by the neural cells in the midline.
Slit acts through Robo to prevent most neurons from
crossing the midline from either side. Three mammalian
Robo homologs (robo1, -2, and -3), and three mammalian
Slit homologs (Slit-1,-2, -3), have been identified.
Commissural axons, which cross the midline, express low
levels of Robo; longitudinal axons, which avoid the
midline, express high levels of Robo. robo1, -2, and -3
are expressed by commissural neurons in the vertebrate
spinal cord and Slits 1, -2, -3 are expressed at the
ventral midline. Robo-3 is a divergent member of the
Robo family which instead of being a positive regulator
of slit responsiveness, antagonizes slit responsiveness
in precrossing axons. The Slit-Robo interaction is
mediated by the second leucine-rich repeat (LRR) domain
of Slit and the two N-terminal Ig domains of Robo, Ig1
and Ig2. The primary Robo binding site for Slit2 has
been shown by surface plasmon resonance experiments and
mutational analysis to be is the Ig1 domain, while the
Ig2 domain has been proposed to harbor a weak secondary
binding site.
Length = 100
Score = 43.3 bits (102), Expect = 3e-06
Identities = 22/77 (28%), Positives = 41/77 (53%), Gaps = 9/77 (11%)
Query: 48 PPDILDYPTSSDIMVREGSNVSMRCAASGSPPPSIMWRREGGEMITNSFNNTVPPIVKIP 107
PP I+++P SD++V +G ++ C A G P P+I W + G + T+ + IV +P
Sbjct: 1 PPRIVEHP--SDLIVSKGDPATLNCKAEGRPTPTIQWLKNGQPLETDKDDPRSHRIV-LP 57
Query: 108 S------QLIGAHEGQQ 118
S +++ +G+
Sbjct: 58 SGSLFFLRVVHGRKGRS 74
>gnl|CDD|191810 pfam07679, I-set, Immunoglobulin I-set domain.
Length = 90
Score = 42.2 bits (100), Expect = 4e-06
Identities = 11/38 (28%), Positives = 21/38 (55%), Gaps = 1/38 (2%)
Query: 58 SDIMVREGSNVSMRCAASGSPPPSIMWRREGGEMITNS 95
D+ V+EG + C +G P P++ W + G+ + +S
Sbjct: 8 KDVEVQEGESARFTCTVTGDPDPTVSWFK-DGQPLRSS 44
Score = 26.8 bits (60), Expect = 2.2
Identities = 8/32 (25%), Positives = 13/32 (40%), Gaps = 1/32 (3%)
Query: 1 MTEVSREHMGAYLCIASNGVPPSVSKRIMLIV 32
++ V + G Y C+A+N L V
Sbjct: 60 ISNVQPDDEGKYTCVATNSA-GEAEASAELTV 90
>gnl|CDD|143202 cd05725, Ig3_Robo, Third immunoglobulin (Ig)-like domain in Robo
(roundabout) receptors. Ig3_Robo: domain similar to
the third immunoglobulin (Ig)-like domain in Robo
(roundabout) receptors. Robo receptors play a role in
the development of the central nervous system (CNS),
and are receptors of Slit protein. Slit is a repellant
secreted by the neural cells in the midline. Slit acts
through Robo to prevent most neurons from crossing the
midline from either side. Three mammalian Robo homologs
(robo1, -2, and -3), and three mammalian Slit homologs
(Slit-1,-2, -3), have been identified. Commissural
axons, which cross the midline, express low levels of
Robo; longitudinal axons, which avoid the midline,
express high levels of Robo. robo1, -2, and -3 are
expressed by commissural neurons in the vertebrate
spinal cord and Slits 1, -2, -3 are expressed at the
ventral midline. Robo-3 is a divergent member of the
Robo family which instead of being a positive regulator
of slit responsiveness, antagonizes slit responsiveness
in precrossing axons. The Slit-Robo interaction is
mediated by the second leucine-rich repeat (LRR) domain
of Slit and the two N-terminal Ig domains of Robo, Ig1
and Ig2. The primary Robo binding site for Slit2 has
been shown by surface plasmon resonance experiments and
mutational analysis to be is the Ig1 domain, while the
Ig2 domain has been proposed to harbor a weak secondary
binding site.
Length = 69
Score = 41.2 bits (97), Expect = 6e-06
Identities = 10/24 (41%), Positives = 16/24 (66%)
Query: 68 VSMRCAASGSPPPSIMWRREGGEM 91
V +C G P P+++WR+E GE+
Sbjct: 1 VEFQCEVGGDPVPTVLWRKEDGEL 24
>gnl|CDD|206066 pfam13895, Ig_2, Immunoglobulin domain. This domain contains
immunoglobulin-like domains.
Length = 80
Score = 41.3 bits (97), Expect = 9e-06
Identities = 18/49 (36%), Positives = 30/49 (61%), Gaps = 1/49 (2%)
Query: 56 TSSDIMVREGSNVSMRCAASGSPPPSIMWRREGGEMITNSFNNTVPPIV 104
T S +V EG +V++ C+A G+PPP+ W ++G +++S N P V
Sbjct: 5 TPSPTVVFEGEDVTLTCSAPGNPPPNYTWYKDGVP-LSSSQNGFFTPNV 52
>gnl|CDD|143169 cd04968, Ig3_Contactin_like, Third Ig domain of contactin.
Ig3_Contactin_like: Third Ig domain of contactins.
Contactins are neural cell adhesion molecules and are
comprised of six Ig domains followed by four fibronectin
type III(FnIII) domains anchored to the membrane by
glycosylphosphatidylinositol. The first four Ig domains
form the intermolecular binding fragment, which arranges
as a compact U-shaped module via contacts between Ig
domains 1 and 4, and between Ig domains 2 and 3.
Contactin-2 (TAG-1, axonin-1) may play a part in the
neuronal processes of neurite outgrowth, axon guidance
and fasciculation, and neuronal migration. This group
also includes contactin-1 and contactin-5. The different
contactins show different expression patterns in the
central nervous system. During development and in
adulthood, contactin-2 is transiently expressed in
subsets of central and peripheral neurons. Contactin-5
is expressed specifically in the rat postnatal nervous
system, peaking at about 3 weeks postnatal, and a lack
of contactin-5 (NB-2) results in an impairment of
neuronal act ivity in the rat auditory system.
Contactin-5 is highly expressed in the adult human brain
in the occipital lobe and in the amygdala. Contactin-1
is differentially expressed in tumor tissues and may,
through a RhoA mechanism, facilitate invasion and
metastasis of human lung adenocarcinoma.
Length = 88
Score = 41.3 bits (97), Expect = 1e-05
Identities = 20/61 (32%), Positives = 34/61 (55%), Gaps = 2/61 (3%)
Query: 48 PPDILDYPTSSDIMVREGSNVSMRCAASGSPPPSIMWRREGGEMITNSFNNTVPPIVKIP 107
P I+ +P D +G NV++ C A G+P P I WR+ G M +++ + ++KIP
Sbjct: 1 PSIIVVFP--KDTYALKGQNVTLECFALGNPVPQIKWRKVDGSMPSSAEISMSGAVLKIP 58
Query: 108 S 108
+
Sbjct: 59 N 59
>gnl|CDD|143203 cd05726, Ig4_Robo, Third immunoglobulin (Ig)-like domain in Robo
(roundabout) receptors. Ig4_Robo: domain similar to
the third immunoglobulin (Ig)-like domain in Robo
(roundabout) receptors. Robo receptors play a role in
the development of the central nervous system (CNS),
and are receptors of Slit protein. Slit is a repellant
secreted by the neural cells in the midline. Slit acts
through Robo to prevent most neurons from crossing the
midline from either side. Three mammalian Robo homologs
(robo1, -2, and -3), and three mammalian Slit homologs
(Slit-1,-2, -3), have been identified. Commissural
axons, which cross the midline, express low levels of
Robo; longitudinal axons, which avoid the midline,
express high levels of Robo. robo1, -2, and -3 are
expressed by commissural neurons in the vertebrate
spinal cord and Slits 1, -2, -3 are expressed at the
ventral midline. Robo-3 is a divergent member of the
Robo family which instead of being a positive regulator
of slit responsiveness, antagonizes slit responsiveness
in precrossing axons. The Slit-Robo interaction is
mediated by the second leucine-rich repeat (LRR) domain
of Slit and the two N-terminal Ig domains of Robo, Ig1
and Ig2. The primary Robo binding site for Slit2 has
been shown by surface plasmon resonance experiments and
mutational analysis to be is the Ig1 domain, while the
Ig2 domain has been proposed to harbor a weak secondary
binding site.
Length = 90
Score = 38.4 bits (89), Expect = 1e-04
Identities = 11/26 (42%), Positives = 19/26 (73%)
Query: 65 GSNVSMRCAASGSPPPSIMWRREGGE 90
G V+ +C A+G+P P+I W++EG +
Sbjct: 1 GRTVTFQCEATGNPQPAIFWQKEGSQ 26
>gnl|CDD|143206 cd05729, Ig2_FGFR_like, Second immunoglobulin (Ig)-like domain of
fibroblast growth factor (FGF) receptor and similar
proteins. Ig2_FGFR_like: domain similar to the second
immunoglobulin (Ig)-like domain of fibroblast growth
factor (FGF) receptor. FGF receptors bind FGF signaling
polypeptides. FGFs participate in multiple processes
such as morphogenesis, development, and angiogenesis.
FGFs bind to four FGF receptor tyrosine kinases (FGFR1,
-2, -3, -4). Receptor diversity is controlled by
alternative splicing producing splice variants with
different ligand binding characteristics and different
expression patterns. FGFRs have an extracellular region
comprised of three Ig-like domains, a single
transmembrane helix, and an intracellular tyrosine
kinase domain. Ligand binding and specificity reside in
the Ig-like domains 2 and 3, and the linker region that
connects these two. FGFR activation and signaling
depend on FGF-induced dimerization, a process involving
cell surface heparin or heparin sulfate proteoglycans.
This group also contains fibroblast growth factor (FGF)
receptor_like-1(FGFRL1). FGFRL1 does not have a protein
tyrosine kinase domain at its C terminus; neither does
its cytoplasmic domain appear to interact with a
signaling partner. It has been suggested that FGFRL1
may not have any direct signaling function, but instead
acts as a decoy receptor trapping FGFs and preventing
them from binding other receptors.
Length = 85
Score = 37.7 bits (88), Expect = 2e-04
Identities = 13/32 (40%), Positives = 19/32 (59%)
Query: 60 IMVREGSNVSMRCAASGSPPPSIMWRREGGEM 91
V GS V ++C ASG+P P+I W ++G
Sbjct: 4 HAVPAGSTVRLKCPASGNPRPTITWLKDGKPF 35
>gnl|CDD|215677 pfam00047, ig, Immunoglobulin domain. Members of the
immunoglobulin superfamily are found in hundreds of
proteins of different functions. Examples include
antibodies, the giant muscle kinase titin and receptor
tyrosine kinases. Immunoglobulin-like domains may be
involved in protein-protein and protein-ligand
interactions. The Pfam alignments do not include the
first and last strand of the immunoglobulin-like domain.
Length = 62
Score = 37.1 bits (86), Expect = 2e-04
Identities = 12/42 (28%), Positives = 21/42 (50%)
Query: 65 GSNVSMRCAASGSPPPSIMWRREGGEMITNSFNNTVPPIVKI 106
GS+V++ C+ SG P + W +EG + ++ T V
Sbjct: 1 GSSVTLTCSVSGPPQVDVTWFKEGKGLEESTTVGTDENRVSS 42
>gnl|CDD|143168 cd04967, Ig1_Contactin, First Ig domain of contactin.
Ig1_Contactin: First Ig domain of contactins.
Contactins are neural cell adhesion molecules and are
comprised of six Ig domains followed by four
fibronectin type III(FnIII) domains anchored to the
membrane by glycosylphosphatidylinositol. The first
four Ig domains form the intermolecular binding
fragment, which arranges as a compact U-shaped module
via contacts between Ig domains 1 and 4, and between Ig
domains 2 and 3. Contactin-2 (TAG-1, axonin-1) may play
a part in the neuronal processes of neurite outgrowth,
axon guidance and fasciculation, and neuronal
migration. This group also includes contactin-1 and
contactin-5. The different contactins show different
expression patterns in the central nervous system.
During development and in adulthood, contactin-2 is
transiently expressed in subsets of central and
peripheral neurons. Contactin-5 is expressed
specifically in the rat postnatal nervous system,
peaking at about 3 weeks postnatal, and a lack of
contactin-5 (NB-2) results in an impairment of neuronal
activity in the rat auditory system. Contactin-5 is
highly expressed in the adult human brain in the
occipital lobe and in the amygdala. Contactin-1 is
differentially expressed in tumor tissues and may,
through a RhoA mechanism, facilitate invasion and
metastasis of human lung adenocarcinoma.
Length = 91
Score = 37.4 bits (87), Expect = 3e-04
Identities = 19/43 (44%), Positives = 23/43 (53%), Gaps = 5/43 (11%)
Query: 49 PDILDYPTSSDIMVREGSNVSMRCAASGSPPPSIMWRREGGEM 91
PD +P SD EG VS+ C A GSPPP+ W G E+
Sbjct: 8 PDDTIFPEESD----EG-KVSLNCRARGSPPPTYRWLMNGTEI 45
>gnl|CDD|143199 cd05722, Ig1_Neogenin, First immunoglobulin (Ig)-like domain in
neogenin and similar proteins. Ig1_Neogenin: first
immunoglobulin (Ig)-like domain in neogenin and related
proteins. Neogenin is a cell surface protein which is
expressed in the developing nervous system of
vertebrate embryos in the growing nerve cells. It is
also expressed in other embryonic tissues, and may play
a general role in developmental processes such as cell
migration, cell-cell recognition, and tissue growth
regulation. Included in this group is the tumor
suppressor protein DCC, which is deleted in colorectal
carcinoma . DCC and neogenin each have four Ig-like
domains followed by six fibronectin type III domains, a
transmembrane domain, and an intracellular domain.
Length = 95
Score = 37.5 bits (87), Expect = 4e-04
Identities = 14/31 (45%), Positives = 20/31 (64%)
Query: 58 SDIMVREGSNVSMRCAASGSPPPSIMWRREG 88
SDI+ G V + C+A G PPP I W+++G
Sbjct: 7 SDIVAVRGGPVVLNCSAEGEPPPKIEWKKDG 37
>gnl|CDD|143224 cd05747, Ig5_Titin_like, M5, fifth immunoglobulin (Ig)-like
domain of human titin C terminus and similar proteins.
Ig5_Titin_like: domain similar to the M5, fifth
immunoglobulin (Ig)-like domain from the human titin C
terminus. Titin (also called connectin) is a fibrous
sarcomeric protein specifically found in vertebrate
striated muscle. Titin is gigantic; depending on
isoform composition it ranges from 2970 to 3700 kDa,
and is of a length that spans half a sarcomere. Titin
largely consists of multiple repeats of Ig-like and
fibronectin type 3 (FN-III)-like domains. Titin
connects the ends of myosin thick filaments to Z disks
and extends along the thick filament to the H zone, and
appears to function similar to an elastic band, keeping
the myosin filaments centered in the sarcomere during
muscle contraction or stretching.
Length = 92
Score = 36.2 bits (83), Expect = 0.001
Identities = 16/49 (32%), Positives = 26/49 (53%), Gaps = 2/49 (4%)
Query: 46 SMPPDILDYPTSSDIMVREGSNVSMRCAASGSPPPSIMWRREGGEMITN 94
++P IL P S + V EG + C G P P++ W REG ++++
Sbjct: 1 TLPATILTKPRS--LTVSEGESARFSCDVDGEPAPTVTWMREGQIIVSS 47
>gnl|CDD|143222 cd05745, Ig3_Peroxidasin, Third immunoglobulin (Ig)-like domain
of peroxidasin. Ig3_Peroxidasin: the third
immunoglobulin (Ig)-like domain in peroxidasin.
Peroxidasin has a peroxidase domain and interacting
extracellular motifs containing four Ig-like domains.
It has been suggested that peroxidasin is secreted and
has functions related to the stabilization of the
extracellular matrix. It may play a part in various
other important processes such as removal and
destruction of cells which have undergone programmed
cell death, and protection of the organism against
non-self.
Length = 74
Score = 34.9 bits (80), Expect = 0.002
Identities = 11/28 (39%), Positives = 14/28 (50%)
Query: 64 EGSNVSMRCAASGSPPPSIMWRREGGEM 91
EG V C A G P P I W + G ++
Sbjct: 1 EGQTVDFLCEAQGYPQPVIAWTKGGSQL 28
Score = 25.7 bits (56), Expect = 4.5
Identities = 9/23 (39%), Positives = 14/23 (60%)
Query: 115 EGQQLVLECISEAYPKSVNYWTR 137
EGQ + C ++ YP+ V WT+
Sbjct: 1 EGQTVDFLCEAQGYPQPVIAWTK 23
>gnl|CDD|143173 cd04972, Ig_TrkABC_d4, Fourth domain (immunoglobulin-like) of Trk
receptors TrkA, TrkB and TrkC. TrkABC_d4: the fourth
domain of Trk receptors TrkA, TrkB and TrkC, this is an
immunoglobulin (Ig)-like domain which binds to
neurotrophin. The Trk family of receptors are tyrosine
kinase receptors. They are activated by dimerization,
leading to autophosphorylation of intracellular
tyrosine residues, and triggering the signal
transduction pathway. TrkA, TrkB, and TrkC share
significant sequence homology and domain organization.
The first three domains are leucine-rich domains. The
fourth and fifth domains are Ig-like domains playing a
part in ligand binding. TrkA, Band C mediate the
trophic effects of the neurotrophin Nerve growth factor
(NGF) family. TrkA is recognized by NGF. TrKB is
recognized by brain-derived neurotrophic factor (BDNF)
and neurotrophin (NT)-4. TrkC is recognized by NT-3.
NT-3 is promiscuous as in some cell systems it
activates TrkA and TrkB receptors. TrkA is a receptor
found in all major NGF targets, including the
sympathetic, trigeminal, and dorsal root ganglia,
cholinergic neurons of the basal forebrain and the
striatum. TrKB transcripts are found throughout
multiple structures of the central and peripheral
nervous systems. The TrkC gene is expressed throughout
the mammalian nervous system.
Length = 90
Score = 34.8 bits (80), Expect = 0.003
Identities = 15/47 (31%), Positives = 22/47 (46%), Gaps = 2/47 (4%)
Query: 49 PDILDYPTSSDIMVREGSNVSMRCAASGSPPPSIMWRREGGEMITNS 95
+D P + +V EG ++RC A GSP P + W G +I
Sbjct: 1 TIPVDGPNA--TVVYEGGTATIRCTAEGSPLPKVEWIIAGLIVIQTR 45
>gnl|CDD|143256 cd05848, Ig1_Contactin-5, First Ig domain of contactin-5.
Ig1_Contactin-5: First Ig domain of the neural cell
adhesion molecule contactin-5. Contactins are comprised
of six Ig domains followed by four fibronectin type III
(FnIII) domains, anchored to the membrane by
glycosylphosphatidylinositol. The different contactins
show different expression patterns in the central
nervous system. In rats, a lack of contactin-5 (NB-2)
results in an impairment of the neuronal activity in
the auditory system. Contactin-5 is expressed
specifically in the postnatal nervous system, peaking
at about 3 weeks postnatal. Contactin-5 is highly
expressed in the adult human brain in the occipital
lobe and in the amygdala; lower levels of expression
have been detected in the corpus callosum, caudate
nucleus, and spinal cord.
Length = 94
Score = 34.5 bits (79), Expect = 0.003
Identities = 18/47 (38%), Positives = 23/47 (48%), Gaps = 5/47 (10%)
Query: 49 PDILDYPTSSDIMVREGSNVSMRCAASGSPPPSIMWRREGGEMITNS 95
PD +PT SD V + C A G+P P+ W R G E+ T S
Sbjct: 8 PDDAIFPTDSD-----EKKVILNCEARGNPVPTYRWLRNGTEIDTES 49
>gnl|CDD|143241 cd05764, Ig_2, Subgroup of the immunoglobulin (Ig) superfamily.
Ig_2: subgroup of the immunoglobulin (Ig) domain found
in the Ig superfamily. The Ig superfamily is a
heterogenous group of proteins, built on a common fold
comprised of a sandwich of two beta sheets. Members of
the Ig superfamily are components of immunoglobulin,
neuroglia, cell surface glycoproteins, such as T-cell
receptors, CD2, CD4, CD8, and membrane glycoproteins,
such as butyrophilin and chondroitin sulfate
proteoglycan core protein. A predominant feature of most
Ig domains is a disulfide bridge connecting the two
beta-sheets with a tryptophan residue packed against the
disulfide bond.
Length = 74
Score = 34.0 bits (78), Expect = 0.004
Identities = 14/38 (36%), Positives = 20/38 (52%)
Query: 65 GSNVSMRCAASGSPPPSIMWRREGGEMITNSFNNTVPP 102
G ++RC A G P P+I W G++I+NS V
Sbjct: 1 GQRATLRCKARGDPEPAIHWISPDGKLISNSSRTLVYD 38
>gnl|CDD|143265 cd05857, Ig2_FGFR, Second immunoglobulin (Ig)-like domain of
fibroblast growth factor (FGF) receptor. Ig2_FGFR:
second immunoglobulin (Ig)-like domain of fibroblast
growth factor (FGF) receptor. FGF receptors bind FGF
signaling polypeptides. FGFs participate in multiple
processes such as morphogenesis, development, and
angiogenesis. FGFs bind to four FGF receptor tyrosine
kinases (FGFR1, -2, -3, -4). Receptor diversity is
controlled by alternative splicing producing splice
variants with different ligand binding characteristics
and different expression patterns. FGFRs have an
extracellular region comprised of three IG-like
domains, a single transmembrane helix, and an
intracellular tyrosine kinase domain. Ligand binding
and specificity reside in the Ig-like domains 2 and 3,
and the linker region that connects these two. FGFR
activation and signaling depend on FGF-induced
dimerization, a process involving cell surface heparin
or heparin sulfate proteoglycans.
Length = 85
Score = 34.1 bits (78), Expect = 0.005
Identities = 11/29 (37%), Positives = 17/29 (58%)
Query: 62 VREGSNVSMRCAASGSPPPSIMWRREGGE 90
V + V RC A+G+P P++ W + G E
Sbjct: 6 VPAANTVKFRCPAAGNPTPTMRWLKNGKE 34
>gnl|CDD|143208 cd05731, Ig3_L1-CAM_like, Third immunoglobulin (Ig)-like domain
of the L1 cell adhesion molecule (CAM).
Ig3_L1-CAM_like: domain similar to the third
immunoglobulin (Ig)-like domain of the L1 cell adhesion
molecule (CAM). L1 belongs to the L1 subfamily of cell
adhesion molecules (CAMs) and is comprised of an
extracellular region having six Ig-like domains and
five fibronectin type III domains, a transmembrane
region and an intracellular domain. L1 is primarily
expressed in the nervous system and is involved in its
development and function. L1 is associated with an
X-linked recessive disorder, X-linked hydrocephalus,
MASA syndrome, or spastic paraplegia type 1, that
involves abnormalities of axonal growth. This group
also contains the chicken neuron-glia cell adhesion
molecule, Ng-CAM and human neurofascin.
Length = 71
Score = 33.5 bits (77), Expect = 0.006
Identities = 13/33 (39%), Positives = 17/33 (51%), Gaps = 5/33 (15%)
Query: 72 CAASGSPPPSIMWRREGGEMITN-----SFNNT 99
C A G P P I W + GGE+ + +FN T
Sbjct: 5 CIAEGLPTPEISWIKIGGELPADRTKFENFNKT 37
Score = 30.8 bits (70), Expect = 0.053
Identities = 10/27 (37%), Positives = 16/27 (59%)
Query: 119 LVLECISEAYPKSVNYWTREKGDMIAN 145
L+LECI+E P W + G++ A+
Sbjct: 1 LLLECIAEGLPTPEISWIKIGGELPAD 27
>gnl|CDD|143165 cd00096, Ig, Immunoglobulin domain. Ig: immunoglobulin (Ig)
domain found in the Ig superfamily. The Ig superfamily
is a heterogenous group of proteins, built on a common
fold comprised of a sandwich of two beta sheets.
Members of this group are components of immunoglobulin,
neuroglia, cell surface glycoproteins, such as, T-cell
receptors, CD2, CD4, CD8, and membrane glycoproteins,
such as, butyrophilin and chondroitin sulfate
proteoglycan core protein. A predominant feature of
most Ig domains is a disulfide bridge connecting the
two beta-sheets with a tryptophan residue packed
against the disulfide bond.
Length = 74
Score = 33.2 bits (75), Expect = 0.008
Identities = 11/29 (37%), Positives = 18/29 (62%)
Query: 68 VSMRCAASGSPPPSIMWRREGGEMITNSF 96
V++ C ASG PPP+I W + G + ++
Sbjct: 1 VTLTCLASGPPPPTITWLKNGKPLPSSVL 29
>gnl|CDD|143221 cd05744, Ig_Myotilin_C_like, Immunoglobulin (Ig)-like domain of
myotilin, palladin, and myopalladin.
Ig_Myotilin_like_C: immunoglobulin (Ig)-like domain in
myotilin, palladin, and myopalladin. Myotilin,
palladin, and myopalladin function as scaffolds that
regulate actin organization. Myotilin and myopalladin
are most abundant in skeletal and cardiac muscle;
palladin is ubiquitously expressed in the organs of
developing vertebrates and plays a key role in
cellular morphogenesis. The three family members each
interact with specific molecular partners: all three
bind to alpha-actinin; in addition, palladin also binds
to vasodilator-stimulated phosphoprotein (VASP) and
ezrin, myotilin binds to filamin and actin, and
myopalladin also binds to nebulin and cardiac ankyrin
repeat protein (CARP).
Length = 75
Score = 32.9 bits (75), Expect = 0.010
Identities = 11/26 (42%), Positives = 15/26 (57%), Gaps = 1/26 (3%)
Query: 68 VSMRCAASGSPPPSIMWRREGGEMIT 93
V + C S PPP I W++ EM+T
Sbjct: 1 VRLECRVSAIPPPQIFWKKN-NEMLT 25
>gnl|CDD|143264 cd05856, Ig2_FGFRL1-like, Second immunoglobulin (Ig)-like domain
of fibroblast growth factor (FGF)
receptor_like-1(FGFRL1). Ig2_FGFRL1-like: second
immunoglobulin (Ig)-like domain of fibroblast growth
factor (FGF) receptor_like-1(FGFRL1). FGFRL1 is
comprised of a signal peptide, three extracellular
Ig-like modules, a transmembrane segment, and a short
intracellular domain. FGFRL1 is expressed
preferentially in skeletal tissues. Similar to FGF
receptors, the expressed protein interacts specifically
with heparin and with FGF2. FGFRL1 does not have a
protein tyrosine kinase domain at its C terminus;
neither does its cytoplasmic domain appear to interact
with a signaling partner. It has been suggested that
FGFRL1 may not have any direct signaling function, but
instead acts as a decoy receptor trapping FGFs and
preventing them from binding other receptors.
Length = 82
Score = 32.9 bits (75), Expect = 0.012
Identities = 11/28 (39%), Positives = 18/28 (64%)
Query: 65 GSNVSMRCAASGSPPPSIMWRREGGEMI 92
GS+V ++C ASG+P P I W ++ +
Sbjct: 9 GSSVRLKCVASGNPRPDITWLKDNKPLT 36
>gnl|CDD|143209 cd05732, Ig5_NCAM-1_like, Fifth immunoglobulin (Ig)-like domain
of Neural Cell Adhesion Molecule NCAM-1 (NCAM) and
similar proteins. Ig5_NCAM-1 like: domain similar to
the fifth immunoglobulin (Ig)-like domain of Neural
Cell Adhesion Molecule NCAM-1 (NCAM). NCAM plays
important roles in the development and regeneration of
the central nervous system, in synaptogenesis and
neural migration. NCAM mediates cell-cell and
cell-substratum recognition and adhesion via homophilic
(NCAM-NCAM), and heterophilic (NCAM-non-NCAM),
interactions. NCAM is expressed as three major isoforms
having different intracellular extensions. The
extracellular portion of NCAM has five N-terminal
Ig-like domains and two fibronectin type III domains.
The double zipper adhesion complex model for NCAM
homophilic binding involves Ig1, Ig2, and Ig3. By this
model, Ig1 and Ig2 mediate dimerization of NCAM
molecules situated on the same cell surface (cis
interactions), and Ig3 domains mediate interactions
between NCAM molecules expressed on the surface of
opposing cells (trans interactions), through binding to
the Ig1 and Ig2 domains. The adhesive ability of NCAM
is modulated by the addition of polysialic acid chains
to the fifth Ig-like domain. Also included in this
group is NCAM-2 (also known as OCAM/mamFas II and
RNCAM) NCAM-2 is differentially expressed in the
developing and mature olfactory epithelium (OE).
Length = 96
Score = 32.9 bits (75), Expect = 0.016
Identities = 10/23 (43%), Positives = 13/23 (56%)
Query: 64 EGSNVSMRCAASGSPPPSIMWRR 86
E +++ C A G P P I WRR
Sbjct: 15 ELEQITLTCEAEGDPIPEITWRR 37
>gnl|CDD|143231 cd05754, Ig3_Perlecan_like, Third immunoglobulin (Ig)-like domain
found in Perlecan and similar proteins.
Ig3_Perlecan_like: domain similar to the third
immunoglobulin (Ig)-like domain found in Perlecan.
Perlecan is a large multi-domain heparin sulfate
proteoglycan, important in tissue development and
organogenesis. Perlecan can be represented as 5 major
portions; its fourth major portion (domain IV) is a
tandem repeat of immunoglobulin-like domains
(Ig2-Ig15), which can vary in size due to alternative
splicing. Perlecan binds many cellular and
extracellular ligands. Its domain IV region has many
binding sites. Some of these have been mapped at the
level of individual Ig-like domains, including a site
restricted to the Ig5 domain for heparin/sulfatide, a
site restricted to the Ig3 domain for nidogen-1 and
nidogen-2, a site restricted to Ig4-5 for fibronectin,
and sites restricted to Ig2 and to Ig13-15 for
fibulin-2.
Length = 85
Score = 32.1 bits (73), Expect = 0.028
Identities = 14/35 (40%), Positives = 22/35 (62%), Gaps = 1/35 (2%)
Query: 62 VREGSNVSMRCAA-SGSPPPSIMWRREGGEMITNS 95
VR G++VS C A S SP +++W R GG + + +
Sbjct: 13 VRPGADVSFICRAKSKSPAYTLVWTRVGGGLPSRA 47
>gnl|CDD|143205 cd05728, Ig4_Contactin-2-like, Fourth Ig domain of the neural
cell adhesion molecule contactin-2 and similar
proteins. Ig4_Contactin-2-like: fourth Ig domain of
the neural cell adhesion molecule contactin-2.
Contactins are comprised of six Ig domains followed by
four fibronectin type III (FnIII) domains anchored to
the membrane by glycosylphosphatidylinositol.
Contactin-2 (aliases TAG-1, axonin-1) facilitates cell
adhesion by homophilic binding between molecules in
apposed membranes. The first four Ig domains form the
intermolecular binding fragment which arranges as a
compact U-shaped module by contacts between Ig domains
1 and 4, and domains 2 and 3. It has been proposed that
a linear zipper-like array forms, from contactin-2
molecules alternatively provided by the two apposed
membranes.
Length = 85
Score = 31.8 bits (72), Expect = 0.029
Identities = 11/39 (28%), Positives = 21/39 (53%), Gaps = 2/39 (5%)
Query: 50 DILDYPTSSDIMVREGSNVSMRCAASGSPPPSIMWRREG 88
+ L + ++ + GS++ C ASG+P P+ W + G
Sbjct: 1 EWLKVISDTEADI--GSSLRWECKASGNPRPAYRWLKNG 37
>gnl|CDD|143240 cd05763, Ig_1, Subgroup of the immunoglobulin (Ig) superfamily.
Ig_1: subgroup of the immunoglobulin (Ig) domain found
in the Ig superfamily. The Ig superfamily is a
heterogenous group of proteins, built on a common fold
comprised of a sandwich of two beta sheets. Members of
the Ig superfamily are components of immunoglobulin,
neuroglia, cell surface glycoproteins, such as T-cell
receptors, CD2, CD4, CD8, and membrane glycoproteins,
such as butyrophilin and chondroitin sulfate
proteoglycan core protein. A predominant feature of
most Ig domains is a disulfide bridge connecting the
two beta-sheets with a tryptophan residue packed
against the disulfide bond.
Length = 75
Score = 31.4 bits (71), Expect = 0.036
Identities = 10/20 (50%), Positives = 15/20 (75%)
Query: 70 MRCAASGSPPPSIMWRREGG 89
+ CAA+G P P I W+++GG
Sbjct: 3 LECAATGHPTPQIAWQKDGG 22
>gnl|CDD|143301 cd05893, Ig_Palladin_C, C-terminal immunoglobulin (Ig)-like
domain of palladin. Ig_Palladin_C: C-terminal
immunoglobulin (Ig)-like domain of palladin. Palladin
belongs to the palladin-myotilin-myopalladin family.
Proteins belonging to this family contain multiple
Ig-like domains and function as scaffolds, modulating
actin cytoskeleton. Palladin binds to alpha-actinin
ezrin, vasodilator-stimulated phosphoprotein VASP,
SPIN90 (DIP, mDia interacting protein), and Src.
Palladin also binds F-actin directly, via its Ig3
domain. Palladin is expressed as several alternatively
spliced isoforms, having various combinations of
Ig-like domains, in a cell-type-specific manner. It has
been suggested that palladin's different Ig-like
domains may be specialized for distinct functions.
Length = 75
Score = 31.6 bits (71), Expect = 0.036
Identities = 10/28 (35%), Positives = 15/28 (53%)
Query: 68 VSMRCAASGSPPPSIMWRREGGEMITNS 95
V + C SG P P I W++E + N+
Sbjct: 1 VRLECRVSGVPHPQIFWKKENESLTHNT 28
>gnl|CDD|219745 pfam08205, C2-set_2, CD80-like C2-set immunoglobulin domain. These
domains belong to the immunoglobulin superfamily.
Length = 89
Score = 30.9 bits (70), Expect = 0.075
Identities = 12/41 (29%), Positives = 17/41 (41%), Gaps = 2/41 (4%)
Query: 64 EGSNVSMRC-AASGSPPPSIMWRREGGEMIT-NSFNNTVPP 102
E V C +A G P P I W +G E+ + + P
Sbjct: 13 ENLEVVATCSSAGGKPAPRITWYLDGRELEAITTSSEQDPE 53
>gnl|CDD|143278 cd05870, Ig5_NCAM-2, Fifth immunoglobulin (Ig)-like domain of
Neural Cell Adhesion Molecule NCAM-2 (also known as
OCAM/mamFas II and RNCAM). Ig5_NCAM-2: the fifth
immunoglobulin (Ig)-like domain of Neural Cell Adhesion
Molecule NCAM-2 (also known as OCAM/mamFas II and
RNCAM). NCAM-2 is organized similarly to NCAM ,
including five N-terminal Ig-like domains and two
fibronectin type III domains. NCAM-2 is differentially
expressed in the developing and mature olfactory
epithelium (OE), and may function like NCAM, as an
adhesion molecule.
Length = 98
Score = 31.1 bits (70), Expect = 0.077
Identities = 9/23 (39%), Positives = 12/23 (52%)
Query: 64 EGSNVSMRCAASGSPPPSIMWRR 86
E ++ C A G P P I W+R
Sbjct: 15 ENGAATLSCKAEGEPIPEITWKR 37
>gnl|CDD|143259 cd05851, Ig3_Contactin-1, Third Ig domain of contactin-1.
Ig3_Contactin-1: Third Ig domain of the neural cell
adhesion molecule contactin-1. Contactins are comprised
of six Ig domains followed by four fibronectin type III
(FnIII) domains anchored to the membrane by
glycosylphosphatidylinositol. Contactin-1 is
differentially expressed in tumor tissues and may
through a RhoA mechanism, facilitate invasion and
metastasis of human lung adenocarcinoma.
Length = 88
Score = 30.8 bits (69), Expect = 0.077
Identities = 15/39 (38%), Positives = 20/39 (51%), Gaps = 2/39 (5%)
Query: 48 PPDILDYPTSSDIMVREGSNVSMRCAASGSPPPSIMWRR 86
P DI D +G NV++ C A G+P P I WR+
Sbjct: 1 PADIN--VKFKDTYALKGQNVTLECFALGNPVPVIRWRK 37
>gnl|CDD|143170 cd04969, Ig5_Contactin_like, Fifth Ig domain of contactin.
Ig5_Contactin_like: Fifth Ig domain of contactins.
Contactins are neural cell adhesion molecules and are
comprised of six Ig domains followed by four
fibronectin type III(FnIII) domains anchored to the
membrane by glycosylphosphatidylinositol. The first
four Ig domains form the intermolecular binding
fragment, which arranges as a compact U-shaped module
via contacts between Ig domains 1 and 4, and between Ig
domains 2 and 3. Contactin-2 (TAG-1, axonin-1) may play
a part in the neuronal processes of neurite outgrowth,
axon guidance and fasciculation, and neuronal
migration. This group also includes contactin-1 and
contactin-5. The different contactins show different
expression patterns in the central nervous system.
During development and in adulthood, contactin-2 is
transiently expressed in subsets of central and
peripheral neurons. Contactin-5 is expressed
specifically in the rat postnatal nervous system,
peaking at about 3 weeks postnatal, and a lack of
contactin-5 (NB-2) results in an impairment of neuronal
act ivity in the rat auditory system. Contactin-5 is
highly expressed in the adult human brain in the
occipital lobe and in the amygdala. Contactin-1 is
differentially expressed in tumor tissues and may,
through a RhoA mechanism, facilitate invasion and
metastasis of human lung adenocarcinoma.
Length = 73
Score = 30.5 bits (69), Expect = 0.078
Identities = 12/31 (38%), Positives = 19/31 (61%), Gaps = 1/31 (3%)
Query: 65 GSNVSMRCAASGSPPPSIMWRREGGEMITNS 95
G +V + C +P P+I W + G E++TNS
Sbjct: 1 GGDVIIECKPKAAPKPTISWSK-GTELLTNS 30
>gnl|CDD|143211 cd05734, Ig7_DSCAM, Seventh immunoglobulin (Ig)-like domain of
Down Syndrome Cell Adhesion molecule (DSCAM).
Ig7_DSCAM: the seventh immunoglobulin (Ig)-like domain
of Down Syndrome Cell Adhesion molecule (DSCAM). DSCAM
is a cell adhesion molecule expressed largely in the
developing nervous system. The gene encoding DSCAM is
located at human chromosome 21q22, the locus associated
with the mental retardation phenotype of Down Syndrome.
DSCAM is predicted to be the largest member of the IG
superfamily. It has been demonstrated that DSCAM can
mediate cation-independent homophilic intercellular
adhesion.
Length = 79
Score = 30.3 bits (68), Expect = 0.097
Identities = 10/22 (45%), Positives = 16/22 (72%)
Query: 68 VSMRCAASGSPPPSIMWRREGG 89
V++ C+A G PPP+I+W+ G
Sbjct: 1 VTLNCSAEGYPPPTIVWKHSKG 22
Score = 26.0 bits (57), Expect = 3.0
Identities = 13/29 (44%), Positives = 15/29 (51%)
Query: 4 VSREHMGAYLCIASNGVPPSVSKRIMLIV 32
V E G YLC SN V SK ++L V
Sbjct: 51 VLEEDSGYYLCKVSNDVGADASKSMVLTV 79
>gnl|CDD|143257 cd05849, Ig1_Contactin-1, First Ig domain of contactin-1.
Ig1_Contactin-1: First Ig domain of the neural cell
adhesion molecule contactin-1. Contactins are comprised
of six Ig domains followed by four fibronectin type III
(FnIII) domains anchored to the membrane by
glycosylphosphatidylinositol. Contactin-1 is
differentially expressed in tumor tissues and may,
through a RhoA mechanism, facilitate invasion and
metastasis of human lung adenocarcinoma.
Length = 93
Score = 29.9 bits (67), Expect = 0.15
Identities = 8/24 (33%), Positives = 13/24 (54%)
Query: 68 VSMRCAASGSPPPSIMWRREGGEM 91
VS+ C A +P P WR+ ++
Sbjct: 22 VSVNCRARANPFPIYKWRKNNLDI 45
>gnl|CDD|222457 pfam13927, Ig_3, Immunoglobulin domain. This family contains
immunoglobulin-like domains.
Length = 74
Score = 29.7 bits (66), Expect = 0.15
Identities = 15/54 (27%), Positives = 23/54 (42%), Gaps = 1/54 (1%)
Query: 56 TSSDIMVREGSNVSMRCAASGSP-PPSIMWRREGGEMITNSFNNTVPPIVKIPS 108
S V G V++ C+A G P PP+I W R G + + + + S
Sbjct: 6 VSPSPSVTSGGGVTLTCSAEGGPPPPTISWYRNGSISGGSGGLGSSGSTLTLSS 59
>gnl|CDD|143284 cd05876, Ig3_L1-CAM, Third immunoglobulin (Ig)-like domain of the
L1 cell adhesion molecule (CAM). Ig3_L1-CAM: third
immunoglobulin (Ig)-like domain of the L1 cell adhesion
molecule (CAM). L1 belongs to the L1 subfamily of cell
adhesion molecules (CAMs) and is comprised of an
extracellular region having six Ig-like domains, five
fibronectin type III domains, a transmembrane region and
an intracellular domain. L1 is primarily expressed in
the nervous system and is involved in its development
and function. L1 is associated with an X-linked
recessive disorder, X-linked hydrocephalus, MASA
syndrome, or spastic paraplegia type 1, that involves
abnormalities of axonal growth. This group also contains
the chicken neuron-glia cell adhesion molecule, Ng-CAM.
Length = 71
Score = 29.5 bits (66), Expect = 0.16
Identities = 12/27 (44%), Positives = 15/27 (55%)
Query: 119 LVLECISEAYPKSVNYWTREKGDMIAN 145
LVLECI+E P +W R G + N
Sbjct: 1 LVLECIAEGLPTPEVHWDRIDGPLSPN 27
Score = 28.4 bits (63), Expect = 0.41
Identities = 16/64 (25%), Positives = 23/64 (35%), Gaps = 13/64 (20%)
Query: 68 VSMRCAASGSPPPSIMWRREGGEMITN-----SFNNTVPPIVKIPSQLIGAHEGQQLVLE 122
+ + C A G P P + W R G + N + N T+ QL E
Sbjct: 1 LVLECIAEGLPTPEVHWDRIDGPLSPNRTKKLNNNKTL--------QLDNVLESDDGEYV 52
Query: 123 CISE 126
C +E
Sbjct: 53 CTAE 56
>gnl|CDD|143210 cd05733, Ig6_L1-CAM_like, Sixth immunoglobulin (Ig)-like domain
of the L1 cell adhesion molecule (CAM) and similar
proteins. Ig6_L1-CAM_like: domain similar to the sixth
immunoglobulin (Ig)-like domain of the L1 cell adhesion
molecule (CAM). L1 belongs to the L1 subfamily of cell
adhesion molecules (CAMs) and is comprised of an
extracellular region having six Ig-like domains and
five fibronectin type III domains, a transmembrane
region and an intracellular domain. L1 is primarily
expressed in the nervous system and is involved in its
development and function. L1 is associated with an
X-linked recessive disorder, X-linked hydrocephalus,
MASA syndrome, or spastic paraplegia type 1, that
involves abnormalities of axonal growth. This group
also contains NrCAM [Ng(neuronglia)CAM-related cell
adhesion molecule], which is primarily expressed in the
nervous system, and human neurofascin.
Length = 77
Score = 29.7 bits (67), Expect = 0.17
Identities = 9/21 (42%), Positives = 14/21 (66%)
Query: 68 VSMRCAASGSPPPSIMWRREG 88
+ ++C A G+PPP+ W R G
Sbjct: 1 IVIKCEAKGNPPPTFSWTRNG 21
>gnl|CDD|143282 cd05874, Ig6_NrCAM, Sixth immunoglobulin (Ig)-like domain of
NrCAM (Ng (neuronglia) CAM-related cell adhesion
molecule). Ig6_NrCAM: sixth immunoglobulin (Ig)-like
domain of NrCAM (Ng (neuronglia) CAM-related cell
adhesion molecule). NrCAM belongs to the L1 subfamily
of cell adhesion molecules (CAMs) and is comprised of
an extracellular region having six Ig-like domains and
five fibronectin type III domains, a transmembrane
region, and an intracellular domain. NrCAM is primarily
expressed in the nervous system.
Length = 77
Score = 29.2 bits (65), Expect = 0.24
Identities = 10/21 (47%), Positives = 13/21 (61%)
Query: 68 VSMRCAASGSPPPSIMWRREG 88
+ ++C A G PPPS W R G
Sbjct: 1 IVIQCEAKGKPPPSFSWTRNG 21
>gnl|CDD|143215 cd05738, Ig2_RPTP_IIa_LAR_like, Second immunoglobulin (Ig)-like
domain of the receptor protein tyrosine phosphatase
(RPTP)-F, also known as LAR. Ig2_RPTP_IIa_LAR_like:
domain similar to the second immunoglobulin (Ig)-like
domain found in the receptor protein tyrosine
phosphatase (RPTP)-F, also known as LAR. LAR belongs to
the RPTP type IIa subfamily. Members of this subfamily
are cell adhesion molecule-like proteins involved in
central nervous system (CNS) development. They have
large extracellular portions, comprised of multiple
Ig-like domains and two to nine fibronectin type III
(FNIII) domains, and a cytoplasmic portion having two
tandem phosphatase domains.
Length = 74
Score = 29.2 bits (65), Expect = 0.24
Identities = 10/19 (52%), Positives = 14/19 (73%)
Query: 69 SMRCAASGSPPPSIMWRRE 87
+M CAASG+P P I W ++
Sbjct: 2 TMLCAASGNPDPEITWFKD 20
>gnl|CDD|143242 cd05765, Ig_3, Subgroup of the immunoglobulin (Ig) superfamily.
Ig_3: subgroup of the immunoglobulin (Ig) domain found
in the Ig superfamily. The Ig superfamily is a
heterogenous group of proteins, built on a common fold
comprised of a sandwich of two beta sheets. Members of
the Ig superfamily are components of immunoglobulin,
neuroglia, cell surface glycoproteins, such as T-cell
receptors, CD2, CD4, CD8, and membrane glycoproteins,
such as butyrophilin and chondroitin sulfate
proteoglycan core protein. A predominant feature of most
Ig domains is a disulfide bridge connecting the two
beta-sheets with a tryptophan residue packed against the
disulfide bond.
Length = 81
Score = 29.0 bits (65), Expect = 0.26
Identities = 13/42 (30%), Positives = 18/42 (42%), Gaps = 2/42 (4%)
Query: 65 GSNVSMRCAASGSPPPSIMWRR--EGGEMITNSFNNTVPPIV 104
G S C +G PPP I W + G E + N+ +V
Sbjct: 1 GETASFHCDVTGRPPPEITWEKQVHGKENLIMRPNHVRGNVV 42
>gnl|CDD|143179 cd04978, Ig4_L1-NrCAM_like, Fourth immunoglobulin (Ig)-like
domain of L1, Ng-CAM (Neuron-glia CAM cell adhesion
molecule), and NrCAM (Ng-CAM-related).
Ig4_L1-NrCAM_like: fourth immunoglobulin (Ig)-like
domain of L1, Ng-CAM (Neuron-glia CAM cell adhesion
molecule), and NrCAM (Ng-CAM-related). These proteins
belong to the L1 subfamily of cell adhesion molecules
(CAMs) and are comprised of an extracellular region
having six Ig-like domains and five fibronectin type
III domains, a transmembrane region and an
intracellular domain. These molecules are primarily
expressed in the nervous system. L1 is associated with
an X-linked recessive disorder, X-linked hydrocephalus,
MASA syndrome, or spastic paraplegia type 1, that
involves abnormalities of axonal growth.
Length = 76
Score = 28.9 bits (65), Expect = 0.27
Identities = 10/24 (41%), Positives = 12/24 (50%)
Query: 65 GSNVSMRCAASGSPPPSIMWRREG 88
G + C A G P P+I WR G
Sbjct: 1 GETGRLDCEAEGIPQPTITWRLNG 24
>gnl|CDD|143223 cd05746, Ig4_Peroxidasin, Fourth immunoglobulin (Ig)-like domain
of peroxidasin. Ig4_Peroxidasin: the fourth
immunoglobulin (Ig)-like domain in peroxidasin.
Peroxidasin has a peroxidase domain and interacting
extracellular motifs containing four Ig-like domains.
It has been suggested that peroxidasin is secreted, and
has functions related to the stabilization of the
extracellular matrix. It may play a part in various
other important processes such as removal and
destruction of cells, which have undergone programmed
cell death, and protection of the organism against
non-self.
Length = 69
Score = 28.7 bits (64), Expect = 0.32
Identities = 9/21 (42%), Positives = 14/21 (66%)
Query: 68 VSMRCAASGSPPPSIMWRREG 88
V + C+A G P P+I W ++G
Sbjct: 1 VQIPCSAQGDPEPTITWNKDG 21
>gnl|CDD|143277 cd05869, Ig5_NCAM-1, Fifth immunoglobulin (Ig)-like domain of
Neural Cell Adhesion Molecule NCAM-1 (NCAM).
Ig5_NCAM-1: The fifth immunoglobulin (Ig)-like domain
of Neural Cell Adhesion Molecule NCAM-1 (NCAM). NCAM
plays important roles in the development and
regeneration of the central nervous system, in
synaptogenesis and neural migration. NCAM mediates
cell-cell and cell-substratum recognition and adhesion
via homophilic (NCAM-NCAM) and heterophilic
(NCAM-non-NCAM) interactions. NCAM is expressed as
three major isoforms having different intracellular
extensions. The extracellular portion of NCAM has five
N-terminal Ig-like domains and two fibronectin type III
domains. The double zipper adhesion complex model for
NCAM homophilic binding involves Ig1, Ig2, and Ig3. By
this model, Ig1 and Ig2 mediate dimerization of NCAM
molecules situated on the same cell surface (cis
interactions), and Ig3 domains mediate interactions
between NCAM molecules expressed on the surface of
opposing cells (trans interactions), through binding to
the Ig1 and Ig2 domains. The adhesive ability of NCAM
is modulated by the addition of polysialic acid chains
to the fifth Ig-like domain.
Length = 97
Score = 29.2 bits (65), Expect = 0.36
Identities = 10/18 (55%), Positives = 13/18 (72%)
Query: 68 VSMRCAASGSPPPSIMWR 85
+++ C ASG P PSI WR
Sbjct: 20 ITLTCEASGDPIPSITWR 37
>gnl|CDD|212460 cd05723, Ig4_Neogenin, Fourth immunoglobulin (Ig)-like domain in
neogenin and similar proteins. Ig4_Neogenin: fourth
immunoglobulin (Ig)-like domain in neogenin and related
proteins. Neogenin is a cell surface protein which is
expressed in the developing nervous system of vertebrate
embryos in the growing nerve cells. It is also expressed
in other embryonic tissues, and may play a general role
in developmental processes such as cell migration,
cell-cell recognition, and tissue growth regulation.
Included in this group is the tumor suppressor protein
DCC, which is deleted in colorectal carcinoma . DCC and
neogenin each have four Ig-like domains followed by six
fibronectin type III domains, a transmembrane domain,
and an intracellular domain.
Length = 71
Score = 28.4 bits (63), Expect = 0.39
Identities = 15/61 (24%), Positives = 31/61 (50%), Gaps = 5/61 (8%)
Query: 67 NVSMRCAASGSPPPSIMWRREGGEMITNSFNNTVPPIVKIPS-QLIGAHEGQQLVLECIS 125
++ C +G P P++ W + G +I + + IVK + Q++G + + +CI+
Sbjct: 1 DIVFECEVTGKPTPTVKWVKNGDMVIPSDYFK----IVKEHNLQVLGLVKSDEGFYQCIA 56
Query: 126 E 126
E
Sbjct: 57 E 57
>gnl|CDD|130127 TIGR01055, parE_Gneg, DNA topoisomerase IV, B subunit,
proteobacterial. Operationally, topoisomerase IV is a
type II topoisomerase required for the decatenation of
chromosome segregation. Not every bacterium has both a
topo II and a topo IV. The topo IV families of the
Gram-positive bacteria and the Gram-negative bacteria
appear not to represent a single clade among the type II
topoisomerases, and are represented by separate models
for this reason. This protein is active as an
alpha(2)beta(2) heterotetramer [DNA metabolism, DNA
replication, recombination, and repair].
Length = 625
Score = 30.3 bits (68), Expect = 0.41
Identities = 8/23 (34%), Positives = 14/23 (60%)
Query: 81 SIMWRREGGEMITNSFNNTVPPI 103
+++W EGGE+ S+ N +P
Sbjct: 251 ALLWLPEGGELFMESYVNLIPTP 273
>gnl|CDD|187550 cd05239, GDP_FS_SDR_e, GDP-fucose synthetase, extended (e) SDRs.
GDP-fucose synthetase (aka 3, 5-epimerase-4-reductase)
acts in the NADP-dependent synthesis of GDP-fucose from
GDP-mannose. Two activities have been proposed for the
same active site: epimerization and reduction. Proteins
in this subgroup are extended SDRs, which have a
characteristic active site tetrad and an NADP-binding
motif, [AT]GXXGXXG, that is a close match to the
archetypical form. Extended SDRs are distinct from
classical SDRs. In addition to the Rossmann fold
(alpha/beta folding pattern with a central beta-sheet)
core region typical of all SDRs, extended SDRs have a
less conserved C-terminal extension of approximately 100
amino acids. Extended SDRs are a diverse collection of
proteins, and include isomerases, epimerases,
oxidoreductases, and lyases; they typically have a
TGXXGXXG cofactor binding motif. SDRs are a functionally
diverse family of oxidoreductases that have a single
domain with a structurally conserved Rossmann fold, an
NAD(P)(H)-binding region, and a structurally diverse
C-terminal region. Sequence identity between different
SDR enzymes is typically in the 15-30% range; they
catalyze a wide range of activities including the
metabolism of steroids, cofactors, carbohydrates,
lipids, aromatic compounds, and amino acids, and act in
redox sensing. Classical SDRs have an TGXXX[AG]XG
cofactor binding motif and a YXXXK active site motif,
with the Tyr residue of the active site motif serving as
a critical catalytic residue (Tyr-151, human
15-hydroxyprostaglandin dehydrogenase numbering). In
addition to the Tyr and Lys, there is often an upstream
Ser and/or an Asn, contributing to the active site;
while substrate binding is in the C-terminal region,
which determines specificity. The standard reaction
mechanism is a 4-pro-S hydride transfer and proton relay
involving the conserved Tyr and Lys, a water molecule
stabilized by Asn, and nicotinamide. Atypical SDRs
generally lack the catalytic residues characteristic of
the SDRs, and their glycine-rich NAD(P)-binding motif is
often different from the forms normally seen in
classical or extended SDRs. Complex (multidomain) SDRs
such as ketoreductase domains of fatty acid synthase
have a GGXGXXG NAD(P)-binding motif and an altered
active site motif (YXXXN). Fungal type ketoacyl
reductases have a TGXXXGX(1-2)G NAD(P)-binding motif.
Length = 300
Score = 29.9 bits (68), Expect = 0.46
Identities = 9/28 (32%), Positives = 15/28 (53%), Gaps = 3/28 (10%)
Query: 23 SVSKRIMLIVQCQYFSKLY--IYTSSMP 48
+++KR + C+ + K Y Y S MP
Sbjct: 133 AIAKR-AGLKLCEAYRKQYGCDYISVMP 159
>gnl|CDD|143220 cd05743, Ig_Perlecan_D2_like, Immunoglobulin (Ig)-like domain II
(D2) of the human basement membrane heparan sulfate
proteoglycan perlecan, also known as HSPG2.
Ig_Perlecan_D2_like: the immunoglobulin (Ig)-like
domain II (D2) of the human basement membrane heparan
sulfate proteoglycan perlecan, also known as HSPG2.
Perlecan consists of five domains. Domain I has three
putative heparan sulfate attachment sites; domain II
has four LDL receptor-like repeats, and one Ig-like
repeat; domain III resembles the short arm of laminin
chains; domain IV has multiple Ig-like repeats (21
repeats in human perlecan); and domain V resembles the
globular G domain of the laminin A chain and internal
repeats of EGF. Perlecan may participate in a variety
of biological functions including cell binding,
LDL-metabolism, basement membrane assembly and
selective permeability, calcium binding, and growth-
and neurite-promoting activities.
Length = 78
Score = 27.8 bits (62), Expect = 0.64
Identities = 10/21 (47%), Positives = 11/21 (52%)
Query: 65 GSNVSMRCAASGSPPPSIMWR 85
G V C A+G P P I WR
Sbjct: 1 GETVEFTCVATGVPTPIINWR 21
>gnl|CDD|143216 cd05739, Ig3_RPTP_IIa_LAR_like, Third immunoglobulin (Ig)-like
domain of the receptor protein tyrosine phosphatase
(RPTP)-F, also known as LAR. Ig3_RPTP_IIa_LAR_like:
domain similar to the third immunoglobulin (Ig)-like
domain found in the receptor protein tyrosine
phosphatase (RPTP)-F, also known as LAR. LAR belongs to
the RPTP type IIa subfamily. Members of this subfamily
are cell adhesion molecule-like proteins involved in
central nervous system (CNS) development. They have
large extracellular portions, comprised of multiple
IG-like domains and two to nine fibronectin type III
(FNIII) domains, and a cytoplasmic portion having two
tandem phosphatase domains. Included in this group is
Drosophila LAR (DLAR).
Length = 69
Score = 27.9 bits (62), Expect = 0.65
Identities = 12/29 (41%), Positives = 19/29 (65%), Gaps = 1/29 (3%)
Query: 65 GSNVSMRCAASGSPPPSIMWRREGGEMIT 93
G +V++ C A G+P P + W + GGE +T
Sbjct: 1 GGSVNLTCVAVGAPMPYVKWMK-GGEELT 28
>gnl|CDD|143328 cd07704, Ig2_Nectin-3-4_like, Second immunoglobulin (Ig) domain
of nectin-3 (also known as poliovirus receptor related
protein 3), nectin-4 (poliovirus receptor related
protein 4) and similar proteins. Ig2_Nectin-3-4_like:
domain similar to the second immunoglobulin (Ig) domain
of nectin-3 (also known as poliovirus receptor related
protein 3) and nectin-4 (poliovirus receptor related
protein 4). Nectin-3 and nectin-4 belong to the nectin
family comprised of four transmembrane glycoproteins
(nectins-1 through 4). Nectins are synaptic cell
adhesion molecules (CAMs) which facilitate adhesion and
signaling at various intracellular junctions. Nectins
form homophilic cis-dimers, followed by homophilic and
heterophilic trans-dimers involved in cell-cell
adhesion. Nectin-2 and nectin-3 localize at
Sertoli-spermatid junctions where they form
heterophilic trans-interactions between the cells that
are essential for the formation and maintenance of the
junctions and for spermatid development. Nectin-3 has
also been shown to form a heterophilic
trans-interaction with nectin-1 in ciliary epithelia,
establishing the apex-apex adhesion between the pigment
and non-pigment cell layers. Nectin-4 has recently
been identified in several types of breast carcinoma
and can be used as a histological and serological
marker for breast cancer.
Length = 97
Score = 28.3 bits (63), Expect = 0.67
Identities = 9/34 (26%), Positives = 15/34 (44%), Gaps = 1/34 (2%)
Query: 64 EGSNVSMRCAASGSPPPSIMWRREG-GEMITNSF 96
G+ ++ CAA G P + W G ++S
Sbjct: 17 NGTTLAACCAAEGRPAADVTWETNVYGTSESHSQ 50
>gnl|CDD|143201 cd05724, Ig2_Robo, Second immunoglobulin (Ig)-like domain in Robo
(roundabout) receptors. Ig2_Robo: domain similar to
the second immunoglobulin (Ig)-like domain in Robo
(roundabout) receptors. Robo receptors play a role in
the development of the central nervous system (CNS),
and are receptors of Slit protein. Slit is a repellant
secreted by the neural cells in the midline. Slit acts
through Robo to prevent most neurons from crossing the
midline from either side. Three mammalian Robo homologs
(robo1, -2, and -3), and three mammalian Slit homologs
(Slit-1,-2, -3), have been identified. Commissural
axons, which cross the midline, express low levels of
Robo; longitudinal axons, which avoid the midline,
express high levels of Robo. robo1, -2, and -3 are
expressed by commissural neurons in the vertebrate
spinal cord and Slits 1, -2, -3 are expressed at the
ventral midline. Robo-3 is a divergent member of the
Robo family which instead of being a positive regulator
of slit responsiveness, antagonizes slit responsiveness
in precrossing axons. The Slit-Robo interaction is
mediated by the second leucine-rich repeat (LRR) domain
of Slit and the two N-terminal Ig domains of Robo, Ig1
and Ig2. The primary Robo binding site for Slit2 has
been shown by surface plasmon resonance experiments and
mutational analysis to be is the Ig1 domain, while the
Ig2 domain has been proposed to harbor a weak secondary
binding site.
Length = 86
Score = 27.7 bits (62), Expect = 0.93
Identities = 11/36 (30%), Positives = 18/36 (50%), Gaps = 1/36 (2%)
Query: 58 SDIMVREGSNVSMRCAAS-GSPPPSIMWRREGGEMI 92
SD V G + C+ G P P++ WR++G +
Sbjct: 4 SDTQVAVGEMAVLECSPPRGHPEPTVSWRKDGQPLN 39
>gnl|CDD|143302 cd05894, Ig_C5_MyBP-C, C5 immunoglobulin (Ig) domain of cardiac
myosin binding protein C (MyBP-C). Ig_C5_MyBP_C : the
C5 immunoglobulin (Ig) domain of cardiac myosin binding
protein C (MyBP-C). MyBP_C consists of repeated
domains, Ig and fibronectin type 3, and various
linkers. Three isoforms of MYBP_C exist and are
included in this group: cardiac(c), and fast and slow
skeletal muscle (s) MyBP_C. cMYBP_C has insertions
between and inside domains and an additional
cardiac-specific Ig domain at the N-terminus. For
cMYBP_C an interaction has been demonstrated between
this C5 domain and the Ig C8 domain.
Length = 86
Score = 27.5 bits (61), Expect = 0.97
Identities = 11/36 (30%), Positives = 19/36 (52%), Gaps = 1/36 (2%)
Query: 60 IMVREGSNVSMRCAASGSPPPSIMWRREGGEMITNS 95
I+V G+ + + SG P P++ W R G + T +
Sbjct: 5 IVVVAGNKLRLDVPISGEPAPTVTWSR-GDKAFTET 39
>gnl|CDD|143184 cd04983, IgV_TCR_alpha_like, Immunoglobulin (Ig) variable (V)
domain of T-cell receptor (TCR) alpha chain and similar
proteins. IgV_TCR_alpha: immunoglobulin (Ig) variable
domain of the alpha chain of alpha/beta T-cell antigen
receptors (TCRs). TCRs mediate antigen recognition by T
lymphocytes, and are composed of alpha and beta, or
gamma and delta, polypeptide chains with variable (V)
and constant (C) regions. This group represents the
variable domain of the alpha chain of TCRs and also
includes the variable domain of delta chains of TCRs.
Alpha/beta TCRs recognize antigen as peptide fragments
presented by major histocompatibility complex (MHC)
molecules. The variable domain of TCRs is responsible
for antigen recognition, and is located at the
N-terminus of the receptor. Gamma/delta TCRs recognize
intact protein antigens; they recognize proteins
antigens directly and without antigen processing, and
MHC independently of the bound peptide.
Length = 109
Score = 28.0 bits (63), Expect = 1.0
Identities = 10/31 (32%), Positives = 16/31 (51%)
Query: 56 TSSDIMVREGSNVSMRCAASGSPPPSIMWRR 86
+ + V+EG NV++ C S S + W R
Sbjct: 4 SPQSLSVQEGENVTLNCNYSTSTFYYLFWYR 34
>gnl|CDD|143207 cd05730, Ig3_NCAM-1_like, Third immunoglobulin (Ig)-like domain
of Neural Cell Adhesion Molecule NCAM-1 (NCAM).
Ig3_NCAM-1_like: domain similar to the third
immunoglobulin (Ig)-like domain of Neural Cell Adhesion
Molecule NCAM-1 (NCAM). NCAM plays important roles in
the development and regeneration of the central nervous
system, in synaptogenesis and neural migration. NCAM
mediates cell-cell and cell-substratum recognition and
adhesion via homophilic (NCAM-NCAM), and heterophilic
(NCAM-non-NCAM), interactions. NCAM is expressed as
three major isoforms having different intracellular
extensions. The extracellular portion of NCAM has five
N-terminal Ig-like domains and two fibronectin type III
domains. The double zipper adhesion complex model for
NCAM homophilic binding involves Ig1, Ig2, and Ig3. By
this model, Ig1,and Ig2 mediate dimerization of NCAM
molecules situated on the same cell surface (cis
interactions), and Ig3 domains mediate interactions
between NCAM molecules expressed on the surface of
opposing cells (trans interactions), through binding to
the Ig1 and Ig2 domains. The adhesive ability of NCAM
is modulated by the addition of polysialic acid chains
to the fifth Ig-like domain.
Length = 95
Score = 27.6 bits (61), Expect = 1.1
Identities = 9/24 (37%), Positives = 16/24 (66%)
Query: 65 GSNVSMRCAASGSPPPSIMWRREG 88
G +V++ C A G P P++ W ++G
Sbjct: 18 GQSVTLACDADGFPEPTMTWTKDG 41
>gnl|CDD|143283 cd05875, Ig6_hNeurofascin_like, Sixth immunoglobulin (Ig)-like
domain of human neurofascin (NF).
Ig6_hNeurofascin_like: the sixth immunoglobulin
(Ig)-like domain of human neurofascin (NF). NF belongs
to the L1 subfamily of cell adhesion molecules (CAMs)
and is comprised of an extracellular region having six
Ig-like domains and five fibronectin type III domains,
a transmembrane region, and a cytoplasmic domain. NF
has many alternatively spliced isoforms having
different temporal expression patterns during
development. NF participates in axon subcellular
targeting and synapse formation, however little is
known of the functions of the different isoforms.
Length = 77
Score = 27.2 bits (60), Expect = 1.2
Identities = 8/19 (42%), Positives = 11/19 (57%)
Query: 70 MRCAASGSPPPSIMWRREG 88
+ C A G+P P+ W R G
Sbjct: 3 IECEAKGNPVPTFQWTRNG 21
>gnl|CDD|143300 cd05892, Ig_Myotilin_C, C-terminal immunoglobulin (Ig)-like
domain of myotilin. Ig_Myotilin_C: C-terminal
immunoglobulin (Ig)-like domain of myotilin. Mytolin
belongs to the palladin-myotilin-myopalladin family.
Proteins belonging to the latter family contain
multiple Ig-like domains and function as scaffolds,
modulating actin cytoskeleton. Myotilin is most
abundant in skeletal and cardiac muscle, and is
involved in maintaining sarcomere integrity. It binds
to alpha-actinin, filamin and actin. Mutations in
myotilin lead to muscle disorders.
Length = 75
Score = 27.2 bits (60), Expect = 1.4
Identities = 11/25 (44%), Positives = 14/25 (56%), Gaps = 1/25 (4%)
Query: 68 VSMRCAASGSPPPSIMWRREGGEMI 92
V + C S PPP I W+R EM+
Sbjct: 1 VKLECQISAIPPPKIFWKRN-NEMV 24
>gnl|CDD|143276 cd05868, Ig4_NrCAM, Fourth immunoglobulin (Ig)-like domain of
NrCAM (NgCAM-related cell adhesion molecule). Ig4_
NrCAM: fourth immunoglobulin (Ig)-like domain of NrCAM
(NgCAM-related cell adhesion molecule). NrCAM belongs
to the L1 subfamily of cell adhesion molecules (CAMs)
and is comprised of an extracellular region having six
IG-like domains and five fibronectin type III domains,
a transmembrane region and an intracellular domain.
NrCAM is primarily expressed in the nervous system.
Length = 76
Score = 26.9 bits (59), Expect = 1.5
Identities = 10/24 (41%), Positives = 15/24 (62%)
Query: 65 GSNVSMRCAASGSPPPSIMWRREG 88
G + ++ C A+G+P PSI W G
Sbjct: 1 GEDGTLICRANGNPKPSISWLTNG 24
>gnl|CDD|143214 cd05737, Ig_Myomesin_like_C, C-temrinal immunoglobulin (Ig)-like
domain of myomesin and M-protein. Ig_Myomesin_like_C:
domain similar to the C-temrinal immunoglobulin
(Ig)-like domain of myomesin and M-protein. Myomesin
and M-protein are both structural proteins localized to
the M-band, a transverse structure in the center of the
sarcomere, and are candidates for M-band bridges. Both
proteins are modular, consisting mainly of repetitive
Ig-like and fibronectin type III (FnIII) domains.
Myomesin is expressed in all types of vertebrate
striated muscle; M-protein has a muscle-type specific
expression pattern. Myomesin is present in both slow
and fast fibers; M-protein is present only in fast
fibers. It has been suggested that myomesin acts as a
molecular spring with alternative splicing as a means
of modifying its elasticity.
Length = 92
Score = 27.1 bits (60), Expect = 1.6
Identities = 10/30 (33%), Positives = 14/30 (46%), Gaps = 2/30 (6%)
Query: 55 PTSSDIMVREGSNVSMRCAASGSPPPSIMW 84
P IM EG +++ C G P P + W
Sbjct: 8 PDVVTIM--EGKTLNLTCTVFGDPDPEVSW 35
>gnl|CDD|143225 cd05748, Ig_Titin_like, Immunoglobulin (Ig)-like domain of titin
and similar proteins. Ig_Titin_like: immunoglobulin
(Ig)-like domain found in titin-like proteins. Titin
(also called connectin) is a fibrous sarcomeric protein
specifically found in vertebrate striated muscle. Titin
is gigantic, depending on isoform composition it ranges
from 2970 to 3700 kDa, and is of a length that spans
half a sarcomere. Titin largely consists of multiple
repeats of Ig-like and fibronectin type 3 (FN-III)-like
domains. Titin connects the ends of myosin thick
filaments to Z disks and extends along the thick
filament to the H zone. It appears to function
similarly to an elastic band, keeping the myosin
filaments centered in the sarcomere during muscle
contraction or stretching. Within the sarcomere, titin
is also attached to or is associated with myosin
binding protein C (MyBP-C). MyBP-C appears to
contribute to the generation of passive tension by
titin, and similar to titin has repeated Ig-like and
FN-III domains. Also included in this group are worm
twitchin and insect projectin, thick filament proteins
of invertebrate muscle, which also have repeated
Ig-like and FN-III domains.
Length = 74
Score = 26.8 bits (60), Expect = 1.8
Identities = 6/16 (37%), Positives = 10/16 (62%)
Query: 75 SGSPPPSIMWRREGGE 90
SG P P++ W ++G
Sbjct: 9 SGRPTPTVTWSKDGKP 24
>gnl|CDD|143166 cd00098, IgC, Immunoglobulin Constant domain. IgC: Immunoglobulin
constant domain (IgC). Members of the IgC family are
components of immunoglobulin, T-cell receptors, CD1 cell
surface glycoproteins, secretory glycoproteins A/C, and
Major Histocompatibility Complex (MHC) class I/II
molecules. In immunoglobulins, each chain is composed of
one variable domain (IgV) and one or more IgC domains.
These names reflect the fact that the variability in
sequences is higher in the variable domain than in the
constant domain. The IgV domain is responsible for
antigen binding, and the IgC domain is involved in
oligomerization and molecular interactions.
Length = 95
Score = 26.6 bits (59), Expect = 2.9
Identities = 12/51 (23%), Positives = 20/51 (39%), Gaps = 2/51 (3%)
Query: 54 YPTSSDIMVREGSNVSMRCAASGSPPPSI--MWRREGGEMITNSFNNTVPP 102
+ G +V++ C A+G PP I W + G E+ + P
Sbjct: 2 FLLPPSPEELLGGSVTLTCLATGFYPPDITVTWLKNGKELTSGVTTTPPVP 52
>gnl|CDD|143213 cd05736, Ig2_Follistatin_like, Second immunoglobulin (Ig)-like
domain of a follistatin-like molecule encoded by the
Mahya gene and similar proteins. Ig2_Follistatin_like:
domain similar to the second immunoglobulin (Ig)-like
domain found in a follistatin-like molecule encoded by
the CNS-related Mahya gene. Mahya genes have been
retained in certain Bilaterian branches during
evolution. They are conserved in Hymenoptera and
Deuterostomes, but are absent from other metazoan
species such as fruit fly and nematode. Mahya proteins
are secretory, with a follistatin-like domain
(Kazal-type serine/threonine protease inhibitor domain
and EF-hand calcium-binding domain), two Ig-like
domains, and a novel C-terminal domain. Mahya may be
involved in learning and memory and in processing of
sensory information in Hymenoptera and vertebrates.
Follistatin is a secreted, multidomain protein that
binds activins with high affinity and antagonizes their
signaling.
Length = 76
Score = 26.0 bits (57), Expect = 3.0
Identities = 9/20 (45%), Positives = 12/20 (60%)
Query: 69 SMRCAASGSPPPSIMWRREG 88
S+RC A G P P + W + G
Sbjct: 2 SLRCHAEGIPLPRLTWLKNG 21
>gnl|CDD|143196 cd05719, Ig2_PVR_like, Second immunoglobulin (Ig) domain of
poliovirus receptor (PVR, also known as CD155) and
similar proteins. Ig2_PVR_like: domain similar to the
second immunoglobulin (Ig) domain of poliovirus
receptor (PVR, also known as CD155). Poliovirus (PV)
binds to its cellular receptor (PVR/CD155) to initiate
infection. CD155 is a membrane-anchored, single-span
glycoprotein; its extracellular region has three
Ig-like domains. There are four different isotypes of
CD155 (referred to as alpha, beta, gamma, and delta),
these result from alternate splicing of the CD155 mRNA,
and have identical extracellular domains. CD155-beta
and - gamma, are secreted, CD155-alpha and delta are
membrane-bound and function as PV receptors. The virus
recognition site is contained in the amino-terminal
domain, D1. Having the virus attachment site on the
receptor distal from the plasma membrane may be
important for successful initiation of infection of
cells by the virus. CD155 binds in the poliovirus
"canyon", it has a footprint similar to that of the
intercellular adhesion molecule-1 receptor on human
rhinoviruses. This group also includes the second
Ig-like domain of nectin-1 (also known as poliovirus
receptor related protein(PVRL)1; CD111).
Length = 95
Score = 26.1 bits (58), Expect = 4.0
Identities = 12/29 (41%), Positives = 15/29 (51%), Gaps = 1/29 (3%)
Query: 72 CAASGSPPPSIMWRRE-GGEMITNSFNNT 99
+A+G PP +I W GGE T S N
Sbjct: 23 VSANGKPPATISWETTLGGEAETQSKENP 51
>gnl|CDD|143237 cd05760, Ig2_PTK7, Second immunoglobulin (Ig)-like domain of
protein tyrosine kinase (PTK) 7, also known as CCK4.
Ig2_PTK7: domain similar to the second immunoglobulin
(Ig)-like domain in protein tyrosine kinase (PTK) 7,
also known as CCK4. PTK7 is a subfamily of the receptor
protein tyrosine kinase family, and is referred to as an
RPTK-like molecule. RPTKs transduce extracellular
signals across the cell membrane, and play important
roles in regulating cell proliferation, migration, and
differentiation. PTK7 is organized as an extracellular
portion having seven Ig-like domains, a single
transmembrane region, and a cytoplasmic tyrosine
kinase-like domain. PTK7 is considered a pseudokinase as
it has several unusual residues in some of the highly
conserved tyrosine kinase (TK) motifs; it is predicted
to lack TK activity. PTK7 may function as a
cell-adhesion molecule. PTK7 mRNA is expressed at high
levels in placenta, melanocytes, liver, lung, pancreas,
and kidney. PTK7 is overexpressed in several cancers,
including melanoma and colon cancer lines.
Length = 77
Score = 25.6 bits (56), Expect = 4.2
Identities = 11/33 (33%), Positives = 17/33 (51%)
Query: 68 VSMRCAASGSPPPSIMWRREGGEMITNSFNNTV 100
V++RC G P P+ W R+G + N +V
Sbjct: 1 VTLRCHIDGHPRPTYQWFRDGTPLSDGQGNYSV 33
>gnl|CDD|143275 cd05867, Ig4_L1-CAM_like, Fourth immunoglobulin (Ig)-like domain
of the L1 cell adhesion molecule (CAM).
Ig4_L1-CAM_like: fourth immunoglobulin (Ig)-like
domain of the L1 cell adhesion molecule (CAM). L1 is
comprised of an extracellular region having six Ig-like
domains and five fibronectin type III domains, a
transmembrane region and an intracellular domain. L1 is
primarily expressed in the nervous system and is
involved in its development and function. L1 is
associated with an X-linked recessive disorder,
X-linked hydrocephalus, MASA syndrome, or spastic
paraplegia type 1, that involves abnormalities of
axonal growth. This group also contains the chicken
neuron-glia cell adhesion molecule, Ng-CAM.
Length = 76
Score = 25.6 bits (56), Expect = 4.2
Identities = 8/24 (33%), Positives = 10/24 (41%)
Query: 65 GSNVSMRCAASGSPPPSIMWRREG 88
G + C G P P+I W G
Sbjct: 1 GETARLDCQVEGIPTPNITWSING 24
>gnl|CDD|132869 cd07231, Pat_SDP1-like, Sugar-Dependent 1 like lipase.
Sugar-Dependent 1 (SDP1) lipase has a patatin-like
acyl-hydrolase domain that initiates the breakdown of
storage oil in germinating Arabidopsis seeds. This
acyl-hydrolase domain is homologus to yeast
triacylglycerol lipase 3 and human adipose triglyceride
lipase. This family includes SDP1 from Arabidopsis
thaliana.
Length = 323
Score = 27.0 bits (60), Expect = 4.5
Identities = 19/69 (27%), Positives = 31/69 (44%), Gaps = 10/69 (14%)
Query: 25 SKRIMLIVQCQYFSKLYIYTSSMPPDILDYPTSSDIMVREGSNVSMRCAASGS-PPPSIM 83
+ RI+ I C S PP +L+Y TS +++ S V+ CA G +M
Sbjct: 141 TGRILGITVCPP-------RKSEPPRLLNYLTSPHVVI--WSAVAASCAFPGLFEAQELM 191
Query: 84 WRREGGEMI 92
+ GE++
Sbjct: 192 AKDRFGEIV 200
>gnl|CDD|240358 PTZ00321, PTZ00321, ribosomal protein L11; Provisional.
Length = 342
Score = 26.5 bits (58), Expect = 7.4
Identities = 12/29 (41%), Positives = 16/29 (55%), Gaps = 1/29 (3%)
Query: 22 PSVSKRIMLIVQCQ-YFSKLYIYTSSMPP 49
P + LIV+ Q YF K Y++T PP
Sbjct: 92 PHFKDDVELIVRIQVYFDKSYLFTIEPPP 120
>gnl|CDD|143258 cd05850, Ig1_Contactin-2, First Ig domain of contactin-2.
Ig1_Contactin-2: First Ig domain of the neural cell
adhesion molecule contactin-2-like. Contactins are
comprised of six Ig domains followed by four
fibronectin type III (FnIII) domains anchored to the
membrane by glycosylphosphatidylinositol. Contactin-2
(TAG-1, axonin-1) facilitates cell adhesion by
homophilic binding between molecules in apposed
membranes. It may play a part in the neuronal processes
of neurite outgrowth, axon guidance and fasciculation,
and neuronal migration. The first four Ig domains form
the intermolecular binding fragment, which arranges as
a compact U-shaped module by contacts between IG
domains 1 and 4, and domains 2 and 3. The different
contactins show different expression patterns in the
central nervous system. During development and in
adulthood, contactin-2 is transiently expressed in
subsets of central and peripheral neurons. Contactin-2
is also expressed in retinal amacrine cells in the
developing chick retina, corresponding to the period of
formation and maturation of AC processes.
Length = 94
Score = 25.3 bits (55), Expect = 7.7
Identities = 9/24 (37%), Positives = 14/24 (58%)
Query: 68 VSMRCAASGSPPPSIMWRREGGEM 91
V++ C A SPP + W+ G E+
Sbjct: 22 VTLGCRARASPPATYRWKMNGTEI 45
>gnl|CDD|143299 cd05891, Ig_M-protein_C, C-terminal immunoglobulin (Ig)-like
domain of M-protein (also known as myomesin-2).
Ig_M-protein_C: the C-terminal immunoglobulin (Ig)-like
domain of M-protein (also known as myomesin-2).
M-protein is a structural protein localized to the
M-band, a transverse structure in the center of the
sarcomere, and is a candidate for M-band bridges.
M-protein is modular consisting mainly of repetitive
IG-like and fibronectin type III (FnIII) domains, and
has a muscle-type specific expression pattern.
M-protein is present in fast fibers.
Length = 92
Score = 25.3 bits (55), Expect = 8.7
Identities = 7/25 (28%), Positives = 15/25 (60%)
Query: 60 IMVREGSNVSMRCAASGSPPPSIMW 84
+ + EG +++ C G+P P ++W
Sbjct: 11 VTIMEGKTLNLTCTVFGNPDPEVIW 35
>gnl|CDD|219863 pfam08490, DUF1744, Domain of unknown function (DUF1744). This
domain is found on the epsilon catalytic subunit of DNA
polymerase. It is found C terminal to pfam03104 and
pfam00136.
Length = 396
Score = 26.1 bits (58), Expect = 9.4
Identities = 13/72 (18%), Positives = 28/72 (38%), Gaps = 15/72 (20%)
Query: 25 SKRIMLIVQCQYFSKLYIYTSSMPPDILDYPTSSDIMVREGSNVSMRCAASGSPPPSIMW 84
S +L +Q + S+L +P + ++P V + S P++ W
Sbjct: 59 SGPTLLALQSPFPSRL---KKKIPI-LEEFP-----------CVQIHINDDESSLPALGW 103
Query: 85 RREGGEMITNSF 96
+R+ + N +
Sbjct: 104 QRQLARRLINHY 115
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
0.317 0.132 0.401
Gapped
Lambda K H
0.267 0.0637 0.140
Matrix: BLOSUM62
Gap Penalties: Existence: 11, Extension: 1
Number of Sequences: 44354
Number of Hits to DB: 7,524,178
Number of extensions: 647171
Number of successful extensions: 550
Number of sequences better than 10.0: 1
Number of HSP's gapped: 549
Number of HSP's successfully gapped: 87
Length of query: 151
Length of database: 10,937,602
Length adjustment: 88
Effective length of query: 63
Effective length of database: 7,034,450
Effective search space: 443170350
Effective search space used: 443170350
Neighboring words threshold: 11
Window for multiple hits: 40
X1: 16 ( 7.3 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 41 (21.7 bits)
S2: 54 (24.8 bits)