RPS-BLAST 2.2.26 [Sep-21-2011]
Database: CDD.v3.10
44,354 sequences; 10,937,602 total letters
Searching..................................................done
Query= psy5111
(132 letters)
>gnl|CDD|189008 cd09601, M1_APN_2, Peptidase M1 Aminopeptidase N family incudes
tricorn interacting factor F3, Endoplasmic reticulum
aminopeptidase 1 (ERAP1), Aminopeptidase Q (APQ). This
M1 peptidase family includes eukaryotic and bacterial
members: aminopeptidase N (APN), aminopeptidase Q (APQ,
laeverin), endoplasmic reticulum aminopeptidase 1
(ERAP1) as well as tricorn interacting factor F3.
Aminopeptidase N (APN; CD13; Alanyl aminopeptidase; EC
3.4.11.2), a Type II integral membrane protease,
consists of a small N-terminal cytoplasmic domain, a
single transmembrane domain and a large extracellular
ectodomain that contains the active site. It
preferentially cleaves neutral amino acids from the
N-terminus of oligopeptides and is present in a variety
of human tissues and cell types (leukocyte, fibroblast,
endothelial and epithelial cells). APN expression is
dysregulated in inflammatory diseases such as chronic
pain, rheumatoid arthritis, multiple sclerosis, systemic
sclerosis, systemic lupus erythematosus,
polymyositis/dermatomyosytis and pulmonary sarcoidosis,
and is enhanced in tumor cells such as melanoma, renal,
prostate, pancreas, colon, gastric and thyroid cancers.
It is considered a marker of differentiation since it is
predominantly expressed on stem cells and on cells of
the granulocytic and monocytic lineages at distinct
stages of differentiation. Thus, APN inhibition may lead
to the development of anti-cancer and anti-inflammatory
drugs. ERAP1 also known as endoplasmic reticulum
aminopeptidase associated with antigen processing
(ERAAP), adipocyte derived leucine aminopeptidase
(A-LAP) or aminopeptidase regulating tumor necrosis
factor receptor I (THFRI) shedding (ARTS-1), associates
with the closely related ER aminopeptidase ERAP2, for
the final trimming of peptides within the ER for
presentation by MHC class I molecules. ERAP1 is
associated with ankylosing spondylitis (AS), an
inflammatory arthritis that predominantly affects the
spine. ERAP1 also aids in the shedding of membrane-bound
cytokine receptors. The tricorn interacting factor F3,
together with factors F1 and F2, degrades the tricorn
protease products, producing free amino acids, thus
completing the proteasomal degradation pathway. F3 is
homologous to F2, but not F1, and shows a strong
preference for glutamate in the P1' position. APQ, also
known as laeverin, is specifically expressed in human
embryo-derived extravillous trophoblasts (EVTs) that
invade the uterus during early placentation. It cleaves
the N-terminal amino acid of various peptides such as
angiotensin III, endokinin C, and kisspeptin-10, all
expressed in the placenta in large quantities. APN is a
receptor for coronaviruses, although the virus receptor
interaction site seems to be distinct from the enzymatic
site and aminopeptidase activity is not necessary for
viral infection. APNs are also putative Cry toxin
receptors. Cry1 proteins are pore-forming toxins that
bind to the midgut epithelial cell membrane of
susceptible insect larvae, causing extensive damage.
Several different toxins, including Cry1Aa, Cry1Ab,
Cry1Ac, Cry1Ba, Cry1Ca and Cry1Fa, have been shown to
bind to APNs; however, a direct role of APN in
cytotoxicity has been yet to be firmly established.
Length = 446
Score = 87.6 bits (218), Expect = 3e-21
Identities = 28/60 (46%), Positives = 34/60 (56%)
Query: 72 REKFLLTSKHQCTTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEYFGT 131
RE LL + ++ QR +VV HE HQWFG+LVT W+ WLNE FA EY G
Sbjct: 267 RETALLYDPKTSSASNKQRVATVVAHELAHQWFGNLVTMKWWDDLWLNEGFATYMEYLGV 326
Score = 85.7 bits (213), Expect = 1e-20
Identities = 28/63 (44%), Positives = 34/63 (53%)
Query: 1 EKFLLTSKGQCTTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEYFGTR 60
E LL + ++ QR +VV HE HQWFG+LVT W+ WLNE FA EY G
Sbjct: 268 ETALLYDPKTSSASNKQRVATVVAHELAHQWFGNLVTMKWWDDLWLNEGFATYMEYLGVD 327
Query: 61 MLY 63
L
Sbjct: 328 HLE 330
>gnl|CDD|216501 pfam01433, Peptidase_M1, Peptidase family M1. Members of this
family are aminopeptidases. The members differ widely in
specificity, hydrolysing acidic, basic or neutral
N-terminal residues. This family includes leukotriene-A4
hydrolase, this enzyme also has an aminopeptidase
activity.
Length = 390
Score = 81.2 bits (201), Expect = 4e-19
Identities = 29/60 (48%), Positives = 34/60 (56%)
Query: 72 REKFLLTSKHQCTTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEYFGT 131
RE LL T++D QR V+ HE HQWFG+LVT W+ WLNE FA EY T
Sbjct: 276 REPALLYDPGNSTSSDKQRVAEVIAHELAHQWFGNLVTMDWWDDLWLNEGFATYMEYLIT 335
Score = 78.9 bits (195), Expect = 2e-18
Identities = 30/63 (47%), Positives = 35/63 (55%)
Query: 1 EKFLLTSKGQCTTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEYFGTR 60
E LL G T++D QR V+ HE HQWFG+LVT W+ WLNE FA EY T
Sbjct: 277 EPALLYDPGNSTSSDKQRVAEVIAHELAHQWFGNLVTMDWWDDLWLNEGFATYMEYLITD 336
Query: 61 MLY 63
L
Sbjct: 337 ALE 339
>gnl|CDD|223385 COG0308, PepN, Aminopeptidase N [Amino acid transport and
metabolism].
Length = 859
Score = 70.2 bits (172), Expect = 4e-15
Identities = 34/109 (31%), Positives = 46/109 (42%), Gaps = 20/109 (18%)
Query: 35 LVTPASWNFA-WLNEAFARLF----EYFG-----TRMLY-VQEIP---------TPIREK 74
V P + A + + R EYFG + V + REK
Sbjct: 231 YVPPGVLDRAKYALDETKRSIEFYEEYFGLPYALPIDIVAVPDFSAGAMENWGLVTFREK 290
Query: 75 FLLTSKHQCTTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFA 123
+LL T +D++ V+ HE HQWFG+LVT W+ WLNE FA
Sbjct: 291 YLLADPETATDSDYENVEEVIAHELAHQWFGNLVTMKWWDDLWLNEGFA 339
Score = 66.0 bits (161), Expect = 1e-13
Identities = 24/51 (47%), Positives = 31/51 (60%)
Query: 1 EKFLLTSKGQCTTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFA 51
EK+LL T +D++ V+ HE HQWFG+LVT W+ WLNE FA
Sbjct: 289 EKYLLADPETATDSDYENVEEVIAHELAHQWFGNLVTMKWWDDLWLNEGFA 339
>gnl|CDD|189009 cd09602, M1_APN_3, Peptidase M1 family containing Aminopeptidase N.
This family contains bacterial and eukaryotic
aminopeptidase N (APN; CD13; Alanyl aminopeptidase; EC
3.4.11.2), a Type II integral membrane protease
belonging to the M1 gluzincin family. APN consists of a
small N-terminal cytoplasmic domain, a single
transmembrane domain and a large extracellular
ectodomain that contains the active site. It
preferentially cleaves neutral amino acids from the
N-terminus of oligopeptides and, in higher eukaryotes,
is present in a variety of human tissues and cell types
(leukocyte, fibroblast, endothelial and epithelial
cells). APN expression is dysregulated in inflammatory
diseases such as chronic pain, rheumatoid arthritis,
multiple sclerosis, systemic sclerosis, systemic lupus
erythematosus, polymyositis/dermatomyosytis and
pulmonary sarcoidosis, and is enhanced in tumor cells
such as melanoma, renal, prostate, pancreas, colon,
gastric and thyroid cancers. It is predominantly
expressed on stem cells and on cells of the granulocytic
and monocytic lineages at distinct stages of
differentiation, thus considered a marker of
differentiation. Thus, APN inhibition may lead to the
development of anti-cancer and anti-inflammatory drugs.
APNs are also present in many pathogenic bacteria and
represent potential drug targets, Some APNs have been
used commercially, such as one from Lactococcus lactis
used in the food industry. APN also serves as a receptor
for coronaviruses, although the virus receptor
interaction site seems to be distinct from the enzymatic
site and aminopeptidase activity is not necessary for
viral infection. APNs have also been extensively studied
as putative Cry toxin receptors. Cry1 proteins are
pore-forming toxins that bind to the midgut epithelial
cell membrane of susceptible insect larvae, causing
extensive damage. Several different toxins, including
Cry1Aa, Cry1Ab, Cry1Ac, Cry1Ba, Cry1Ca and Cry1Fa, have
been shown to bind to APNs; however, a direct role of
APN in cytotoxicity has been yet to be firmly
established.
Length = 438
Score = 60.7 bits (148), Expect = 7e-12
Identities = 26/63 (41%), Positives = 33/63 (52%), Gaps = 5/63 (7%)
Query: 1 EKFLLTSKGQCTTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEYFGTR 60
E ++ + TTA R + + HE H WFGDLVT WN WLNE+FA EY +
Sbjct: 266 ENYVFREEV--TTAQRLRRANTIAHEMAHMWFGDLVTMKWWNDLWLNESFA---EYMAYK 320
Query: 61 MLY 63
L
Sbjct: 321 ALS 323
Score = 59.9 bits (146), Expect = 1e-11
Identities = 26/62 (41%), Positives = 33/62 (53%), Gaps = 5/62 (8%)
Query: 71 IREKFLLTSKHQCTTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEYFG 130
RE ++ + TTA R + + HE H WFGDLVT WN WLNE+FA EY
Sbjct: 264 FRENYVFRE--EVTTAQRLRRANTIAHEMAHMWFGDLVTMKWWNDLWLNESFA---EYMA 318
Query: 131 TR 132
+
Sbjct: 319 YK 320
>gnl|CDD|233857 TIGR02412, pepN_strep_liv, aminopeptidase N, Streptomyces lividans
type. This family is a subset of the members of the
zinc metallopeptidase family M1 (pfam01433), with a
single member characterized in Streptomyces lividans 66
and designated aminopeptidase N. The spectrum of
activity may differ somewhat from the aminopeptidase N
clade of E. coli and most other Proteobacteria, well
separated phylogenetically within the M1 family. The M1
family also includes leukotriene A-4
hydrolase/aminopeptidase (with a bifunctional active
site).
Length = 831
Score = 60.2 bits (146), Expect = 1e-11
Identities = 25/52 (48%), Positives = 31/52 (59%), Gaps = 3/52 (5%)
Query: 8 KGQCTTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEYFGT 59
+ + T A+ + V+ HE H WFGDLVT WN WLNE+FA EY GT
Sbjct: 276 RAEATRAEKENRAGVILHEMAHMWFGDLVTMRWWNDLWLNESFA---EYMGT 324
Score = 60.2 bits (146), Expect = 1e-11
Identities = 28/61 (45%), Positives = 34/61 (55%), Gaps = 5/61 (8%)
Query: 71 IREKFLLTSKHQCTTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEYFG 130
E FL ++ T A+ + V+ HE H WFGDLVT WN WLNE+FA EY G
Sbjct: 269 FAENFLHRAE--ATRAEKENRAGVILHEMAHMWFGDLVTMRWWNDLWLNESFA---EYMG 323
Query: 131 T 131
T
Sbjct: 324 T 324
>gnl|CDD|189010 cd09603, M1_APN_4, Peptidase M1 family Aminopeptidase N. This
family contains mostly bacterial and some archaeal
aminopeptidase N (APN; CD13; Alanyl aminopeptidase; EC
3.4.11.2), a Type II integral membrane protease
belonging to the M1 gluzincin family. APN consists of a
small N-terminal cytoplasmic domain, a single
transmembrane domain and a large extracellular
ectodomain that contains the active site. It
preferentially cleaves neutral amino acids from the
N-terminus of oligopeptides and, in higher eukaryotes,
is present in a variety of human tissues and cell types
(leukocyte, fibroblast, endothelial and epithelial
cells). APN expression is dysregulated in inflammatory
diseases such as chronic pain, rheumatoid arthritis,
multiple sclerosis, systemic sclerosis, systemic lupus
erythematosus, polymyositis/dermatomyosytis and
pulmonary sarcoidosis, and is enhanced in tumor cells
such as melanoma, renal, prostate, pancreas, colon,
gastric and thyroid cancers. It is predominantly
expressed on stem cells and on cells of the granulocytic
and monocytic lineages at distinct stages of
differentiation, thus considered a marker of
differentiation. Thus, APN inhibition may lead to the
development of anti-cancer and anti-inflammatory drugs.
APNs are also present in many pathogenic bacteria and
represent potential drug targets, Some APNs have been
used commercially, such as one from Lactococcus lactis
used in the food industry. APN also serves as a receptor
for coronaviruses, although the virus receptor
interaction site seems to be distinct from the enzymatic
site and aminopeptidase activity is not necessary for
viral infection. APNs have also been extensively studied
as putative Cry toxin receptors. Cry1 proteins are
pore-forming toxins that bind to the midgut epithelial
cell membrane of susceptible insect larvae, causing
extensive damage. Several different toxins, including
Cry1Aa, Cry1Ab, Cry1Ac, Cry1Ba, Cry1Ca and Cry1Fa, have
been shown to bind to APNs; however, a direct role of
APN in cytotoxicity has been yet to be firmly
established.
Length = 415
Score = 59.9 bits (146), Expect = 1e-11
Identities = 18/34 (52%), Positives = 22/34 (64%)
Query: 18 RATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFA 51
+ ++ HE HQWFGD VT A W+ WLNE FA
Sbjct: 264 SSERLIAHELAHQWFGDSVTCADWSDIWLNEGFA 297
Score = 59.9 bits (146), Expect = 1e-11
Identities = 18/34 (52%), Positives = 22/34 (64%)
Query: 90 RATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFA 123
+ ++ HE HQWFGD VT A W+ WLNE FA
Sbjct: 264 SSERLIAHELAHQWFGDSVTCADWSDIWLNEGFA 297
>gnl|CDD|189002 cd09595, M1, Peptidase M1 family contains aminopeptidase N and
leukotriene A4 hydrolase. M1 Peptidase family includes
aminopeptidase N (APN) and leukotriene A4 hydrolase
(LTA4H). All peptidases in this family bind a single
catalytic zinc ion which is tetrahedrally co-ordinated
by three amino acid ligands and a water molecule that
forms the nucleophile on activation during catalysis.
APN consists of a small N-terminal cytoplasmic domain, a
single transmembrane domain and a large extracellular
ectodomain that contains the active site. It
preferentially cleaves neutral amino acids from the
N-terminus of oligopeptides and is present in a variety
of human tissues and cell types. APN expression is
dysregulated in many inflammatory diseases and is
enhanced in numerous tumor cells, making it a lead
target in the development of anti-cancer and
anti-inflammatory drugs. LTA4H is a bifunctional enzyme,
possessing an aminopeptidase as well as an epoxide
hydrolase activity. The two activities occupy different,
but overlapping sites. The activity and physiological
relevance of the aminopeptidase in LTA4H is as yet
unknown while the epoxide hydrolase converts leukotriene
A4 (LTA4) into leukotriene B4 (LTB4), a potent
chemotaxin that is fundamental to the inflammatory
response of mammals.
Length = 407
Score = 55.1 bits (133), Expect = 7e-10
Identities = 23/53 (43%), Positives = 28/53 (52%), Gaps = 4/53 (7%)
Query: 71 IREKFLLTSKHQCTTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFA 123
+ LL A + +V+ HE HQWFG+LVT A WN WLNE FA
Sbjct: 252 FSQSLLLAMI----DAGDELLENVIAHELAHQWFGNLVTGARWNDLWLNEGFA 300
Score = 53.2 bits (128), Expect = 3e-09
Identities = 21/38 (55%), Positives = 25/38 (65%)
Query: 14 ADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFA 51
A + +V+ HE HQWFG+LVT A WN WLNE FA
Sbjct: 263 AGDELLENVIAHELAHQWFGNLVTGARWNDLWLNEGFA 300
>gnl|CDD|189006 cd09599, M1_LTA4H, Peptidase M1 family contains leukotriene A4
hydrolase. This family includes leukotriene A4
hydrolase (LTA4H; E.C. 3.3.2.6) and the close homolog
cold-active aminopeptidase (Colwellia
psychrerythraea-type peptidase; ColAP), both members of
the aminopeptidase M1 family. LTA4H, is a bifunctional
enzyme possessing an aminopeptidase as well as an
epoxide hydrolase activity. The two activities occupy
different, but overlapping sites. The activity and
physiological relevance of the aminopeptidase is as yet
unknown while the epoxide hydrolase converts leukotriene
A4 (LTA4) into leukotriene B4 (LTB4), a potent
chemotaxin that is fundamental to the inflammatory
response of mammals. It accepts a variety of substrates,
including some opioid, di- and tripeptides, as well as
chromogenic aminoacyl-p-nitroanilide derivatives. The
aminopeptidase activity of LTA4H is possibly involved in
the processing of peptides related to inflammation and
host defense. Kinetic analysis shows that LTA4H
hydrolyzes arginyl tripeptides with high efficiency and
specificity, indicating its function as an arginyl
aminopeptidase. LTA4H is overexpressed in certain human
cancers, and has been identified as a functionally
important target for mediating anticancer properties of
resveratrol, a well known red wine polyphenolic compound
with cancer chemopreventive activity.
Length = 442
Score = 51.4 bits (124), Expect = 1e-08
Identities = 18/36 (50%), Positives = 20/36 (55%)
Query: 20 TSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFE 55
VV HE H W G+LVT A+W WLNE F E
Sbjct: 283 VDVVAHEIAHSWSGNLVTNATWEHFWLNEGFTVYLE 318
Score = 51.4 bits (124), Expect = 1e-08
Identities = 18/36 (50%), Positives = 20/36 (55%)
Query: 92 TSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFE 127
VV HE H W G+LVT A+W WLNE F E
Sbjct: 283 VDVVAHEIAHSWSGNLVTNATWEHFWLNEGFTVYLE 318
>gnl|CDD|222169 pfam13485, Peptidase_MA_2, Peptidase MA superfamily.
Length = 128
Score = 44.5 bits (105), Expect = 1e-06
Identities = 12/42 (28%), Positives = 14/42 (33%)
Query: 15 DFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEY 56
D V+ HE H G+LV WL E A
Sbjct: 21 DPDELRGVLAHELAHVVLGNLVGGNGNLPRWLTEGLAEYVAG 62
Score = 44.5 bits (105), Expect = 1e-06
Identities = 12/42 (28%), Positives = 14/42 (33%)
Query: 87 DFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEY 128
D V+ HE H G+LV WL E A
Sbjct: 21 DPDELRGVLAHELAHVVLGNLVGGNGNLPRWLTEGLAEYVAG 62
>gnl|CDD|233856 TIGR02411, leuko_A4_hydro, leukotriene A-4
hydrolase/aminopeptidase. Members of this family
represent a distinctive subset within the zinc
metallopeptidase family M1 (pfam01433). The majority of
the members of pfam01433 are aminopeptidases, but the
sequences in this family for which the function is known
are leukotriene A-4 hydrolase. A dual epoxide hydrolase
and aminopeptidase activity at the same active site is
indicated. The physiological substrate for
aminopeptidase activity is not known.
Length = 602
Score = 43.6 bits (103), Expect = 7e-06
Identities = 15/29 (51%), Positives = 18/29 (62%)
Query: 22 VVTHEFTHQWFGDLVTPASWNFAWLNEAF 50
V+ HE H W G+LVT SW WLNE +
Sbjct: 282 VIAHELAHSWSGNLVTNCSWEHFWLNEGW 310
Score = 43.6 bits (103), Expect = 7e-06
Identities = 15/29 (51%), Positives = 18/29 (62%)
Query: 94 VVTHEFTHQWFGDLVTPASWNFAWLNEAF 122
V+ HE H W G+LVT SW WLNE +
Sbjct: 282 VIAHELAHSWSGNLVTNCSWEHFWLNEGW 310
>gnl|CDD|189001 cd09594, GluZincin, Peptidase Gluzincin family (thermolysin-like
proteinases, TLPs) includes peptidases M1, M2, M3, M4,
M13, M32 and M36 (fungalysins). Gluzincin family
(thermolysin-like peptidases or TLPs) includes several
zinc-dependent metallopeptidases such as the M1, M2, M3,
M4, M13, M32, M36 peptidases (MEROPS classification),
and contain HEXXH and EXXXD motifs as part of their
active site. All peptidases in this family bind a single
catalytic zinc ion which is tetrahedrally co-ordinated
by three amino acid ligands and a water molecule that
forms the nucleophile on activation during catalysis. M1
family includes aminopeptidase N (APN) and leukotriene
A4 hydrolase (LTA4H). APN preferentially cleaves
neutral amino acids from the N-terminus of oligopeptides
and is present in a variety of human tissues and cell
types. LTA4H is a bifunctional enzyme, possessing an
aminopeptidase as well as an epoxide hydrolase activity
such that the two activities occupy different, but
overlapping sites. The peptidase M3 or neurolysin-like
family, includes M3, M2 and M32 metallopeptidases. The
M3 peptidases have two subfamilies: M3A, includes thimet
oligopeptidase (TOP; endopeptidase 3.4.24.15),
neurolysin (3.4.24.16), and the mitochondrial
intermediate peptidase; M3B contains oligopeptidase F.
M2 peptidase angiotensin converting enzyme (ACE, EC
3.4.15.1) catalyzes the conversion of decapeptide
angiotensin I to the potent vasopressor octapeptide
angiotensin II. ACE is a key part of the
renin-angiotensin system that regulates blood pressure,
thus ACE inhibitors are important for the treatment of
hypertension. M32 family includes two eukaryotic enzymes
from protozoa Trypanosoma cruzi, a causative agent of
Chagas' disease, and Leishmania major, a parasite that
causes leishmaniasis, making them attractive targets for
drug development. The M4 family includes secreted
protease thermolysin (EC 3.4.24.27), pseudolysin,
aureolysin, neutral protease as well as fungalysin and
bacillolysin (EC 3.4.24.28) that degrade extracellular
proteins and peptides for bacterial nutrition,
especially prior to sporulation. Thermolysin is widely
used as a nonspecific protease to obtain fragments for
peptide sequencing as well as in production of the
artificial sweetener aspartame. M13 family includes
neprilysin (EC 3.4.24.11) and endothelin-converting
enzyme I (ECE-1, EC 3.4.24.71), which fulfill a broad
range of physiological roles due to the greater
variation in the S2' subsite allowing substrate
specificity and are prime therapeutic targets for
selective inhibition. Peptidase M36 (fungamysin) family
includes endopeptidases from pathogenic fungi.
Fungalysin hydrolyzes extracellular matrix proteins such
as elastin and keratin. Aspergillus fumigatus causes the
pulmonary disease aspergillosis by invading the lungs of
immuno-compromised animals and secreting fungalysin that
possibly breaks down proteinaceous structural barriers.
Length = 125
Score = 38.2 bits (89), Expect = 2e-04
Identities = 13/41 (31%), Positives = 15/41 (36%), Gaps = 5/41 (12%)
Query: 22 VVTHEFTHQWFGDLVT-----PASWNFAWLNEAFARLFEYF 57
VV HE TH LV + LNE + FE
Sbjct: 72 VVGHELTHGVTDQLVGNDPDLLYTNGSGGLNEGPSDFFELL 112
Score = 38.2 bits (89), Expect = 2e-04
Identities = 13/41 (31%), Positives = 15/41 (36%), Gaps = 5/41 (12%)
Query: 94 VVTHEFTHQWFGDLVT-----PASWNFAWLNEAFARLFEYF 129
VV HE TH LV + LNE + FE
Sbjct: 72 VVGHELTHGVTDQLVGNDPDLLYTNGSGGLNEGPSDFFELL 112
>gnl|CDD|233858 TIGR02414, pepN_proteo, aminopeptidase N, Escherichia coli type.
The M1 family of zinc metallopeptidases contains a
number of distinct, well-separated clades of proteins
with aminopeptidase activity. Several are designated
aminopeptidase N, EC 3.4.11.2, after the Escherichia
coli enzyme, suggesting a similar activity profile (see
SP|P04825 for a description of catalytic activity). This
family consists of all aminopeptidases closely related
to E. coli PepN and presumed to have similar (not
identical) function. Nearly all are found in
Proteobacteria, but members are found also in
Cyanobacteria, plants, and apicomplexan parasites. This
family differs greatly in sequence from the family of
aminopeptidases typified by Streptomyces lividans PepN
(TIGR02412), from the membrane bound aminopeptidase N
family in animals, etc [Protein fate, Degradation of
proteins, peptides, and glycopeptides].
Length = 863
Score = 39.2 bits (92), Expect = 2e-04
Identities = 16/40 (40%), Positives = 23/40 (57%)
Query: 74 KFLLTSKHQCTTADFQRATSVVTHEFTHQWFGDLVTPASW 113
K++L T AD++R SV+ HE+ H W G+ VT W
Sbjct: 266 KYVLADPETATDADYERIESVIAHEYFHNWTGNRVTCRDW 305
Score = 38.8 bits (91), Expect = 3e-04
Identities = 16/40 (40%), Positives = 23/40 (57%)
Query: 2 KFLLTSKGQCTTADFQRATSVVTHEFTHQWFGDLVTPASW 41
K++L T AD++R SV+ HE+ H W G+ VT W
Sbjct: 266 KYVLADPETATDADYERIESVIAHEYFHNWTGNRVTCRDW 305
>gnl|CDD|189007 cd09600, M1_APN_1, Peptidase M1 family containing Aminopeptidase N.
This family contains aminopeptidase N (APN; CD13;
Alanyl aminopeptidase; EC 3.4.11.2), a Type II integral
membrane protease belonging to the M1 gluzincin family.
It includes bacterial-type alanyl aminopeptidases as
well as PfA-M1 aminopeptidase (Plasmodium
falciparum-type). APN consists of a small N-terminal
cytoplasmic domain, a single transmembrane domain and a
large extracellular ectodomain that contains the active
site. It preferentially cleaves neutral amino acids from
the N-terminus of oligopeptides and, in higher
eukaryotes, is present in a variety of human tissues and
cell types (leukocyte, fibroblast, endothelial and
epithelial cells). APN expression is dysregulated in
inflammatory diseases such as chronic pain, rheumatoid
arthritis, multiple sclerosis, systemic sclerosis,
systemic lupus erythematosus,
polymyositis/dermatomyosytis and pulmonary sarcoidosis,
and is enhanced in tumor cells such as melanoma, renal,
prostate, pancreas, colon, gastric and thyroid cancers.
It is predominantly expressed on stem cells and on cells
of the granulocytic and monocytic lineages at distinct
stages of differentiation, thus considered a marker of
differentiation. Thus, APN inhibition may lead to the
development of anti-cancer and anti-inflammatory drugs.
APNs are also present in many pathogenic bacteria and
represent potential drug targets, Some APNs have been
used commercially, such as one from Lactococcus lactis
used in the food industry. APN also serves as a receptor
for coronaviruses, although the virus receptor
interaction site seems to be distinct from the enzymatic
site and aminopeptidase activity is not necessary for
viral infection. APNs have also been extensively studied
as putative Cry toxin receptors. Cry1 proteins are
pore-forming toxins that bind to the midgut epithelial
cell membrane of susceptible insect larvae, causing
extensive damage. Several different toxins, including
Cry1Aa, Cry1Ab, Cry1Ac, Cry1Ba, Cry1Ca and Cry1Fa, have
been shown to bind to APNs; however, a direct role of
APN in cytotoxicity has been yet to be firmly
established.
Length = 861
Score = 38.8 bits (91), Expect = 3e-04
Identities = 16/40 (40%), Positives = 22/40 (55%)
Query: 74 KFLLTSKHQCTTADFQRATSVVTHEFTHQWFGDLVTPASW 113
K +L T AD++R SV+ HE+ H W G+ VT W
Sbjct: 266 KLVLADPETATDADYERIESVIGHEYFHNWTGNRVTCRDW 305
Score = 38.4 bits (90), Expect = 5e-04
Identities = 16/40 (40%), Positives = 22/40 (55%)
Query: 2 KFLLTSKGQCTTADFQRATSVVTHEFTHQWFGDLVTPASW 41
K +L T AD++R SV+ HE+ H W G+ VT W
Sbjct: 266 KLVLADPETATDADYERIESVIGHEYFHNWTGNRVTCRDW 305
>gnl|CDD|189011 cd09604, M1_APN_5, Peptidase M1 family containing bacterial
Aminopeptidase N. This family contains bacterial
aminopeptidase N (APN; CD13; Alanyl aminopeptidase; EC
3.4.11.2), a Type II integral membrane protease
belonging to the M1 gluzincin family. APN consists of a
small N-terminal cytoplasmic domain, a single
transmembrane domain and a large extracellular
ectodomain that contains the active site. It
preferentially cleaves neutral amino acids from the
N-terminus of oligopeptides and, in higher eukaryotes,
is present in a variety of human tissues and cell types
(leukocyte, fibroblast, endothelial and epithelial
cells). APN expression is dysregulated in inflammatory
diseases such as chronic pain, rheumatoid arthritis,
multiple sclerosis, systemic sclerosis, systemic lupus
erythematosus, polymyositis/dermatomyosytis and
pulmonary sarcoidosis, and is enhanced in tumor cells
such as melanoma, renal, prostate, pancreas, colon,
gastric and thyroid cancers. It is predominantly
expressed on stem cells and on cells of the granulocytic
and monocytic lineages at distinct stages of
differentiation, thus considered a marker of
differentiation. Thus, APN inhibition may lead to the
development of anti-cancer and anti-inflammatory drugs.
APNs are also present in many pathogenic bacteria and
represent potential drug targets, Some APNs have been
used commercially, such as one from Lactococcus lactis
used in the food industry. APN also serves as a receptor
for coronaviruses, although the virus receptor
interaction site seems to be distinct from the enzymatic
site and aminopeptidase activity is not necessary for
viral infection. APNs have also been extensively studied
as putative Cry toxin receptors. Cry1 proteins are
pore-forming toxins that bind to the midgut epithelial
cell membrane of susceptible insect larvae, causing
extensive damage. Several different toxins, including
Cry1Aa, Cry1Ab, Cry1Ac, Cry1Ba, Cry1Ca and Cry1Fa, have
been shown to bind to APNs; however, a direct role of
APN in cytotoxicity has been yet to be firmly
established.
Length = 435
Score = 38.5 bits (90), Expect = 3e-04
Identities = 16/62 (25%), Positives = 23/62 (37%), Gaps = 1/62 (1%)
Query: 15 DFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEYFGTRMLYVQEIPTPIREK 74
F T + HE HQW+ +V N WL+E + Y +E R +
Sbjct: 285 PFILETVLA-HEIAHQWWYGIVGNDERNEPWLDEGLTTYLTDYYLEERYGKEAARLYRLR 343
Query: 75 FL 76
L
Sbjct: 344 RL 345
Score = 34.6 bits (80), Expect = 0.007
Identities = 12/37 (32%), Positives = 16/37 (43%), Gaps = 1/37 (2%)
Query: 87 DFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFA 123
F T + HE HQW+ +V N WL+E
Sbjct: 285 PFILETVLA-HEIAHQWWYGIVGNDERNEPWLDEGLT 320
>gnl|CDD|237585 PRK14015, pepN, aminopeptidase N; Provisional.
Length = 875
Score = 33.6 bits (78), Expect = 0.020
Identities = 15/36 (41%), Positives = 22/36 (61%)
Query: 74 KFLLTSKHQCTTADFQRATSVVTHEFTHQWFGDLVT 109
K++L T AD++R SV+ HE+ H W G+ VT
Sbjct: 279 KYVLADPETATDADYERIESVIAHEYFHNWTGNRVT 314
Score = 31.6 bits (73), Expect = 0.091
Identities = 15/36 (41%), Positives = 22/36 (61%)
Query: 2 KFLLTSKGQCTTADFQRATSVVTHEFTHQWFGDLVT 37
K++L T AD++R SV+ HE+ H W G+ VT
Sbjct: 279 KYVLADPETATDADYERIESVIAHEYFHNWTGNRVT 314
>gnl|CDD|189018 cd09839, M1_TAF2, TATA binding protein (TBP) associated factor 2.
This family includes TATA binding protein (TBP)
associated factor 2 (TAF2, TBP-associated factor
TAFII150, transcription initiation factor TFIID subunit
2, RNA polymerase II TBP-associated factor subunit B),
and has homology to the aminopeptidase N (APN)
subfamily, belonging to the M1 gluzincin family. TAF2 is
part of the TFIID multidomain subunit complex essential
for transcription of most protein-encoded genes by RNA
polymerase II. TAF2 is known to interact with the
initiator element (Inr) found at the transcription start
site of many genes, thus possibly playing a key role in
promoter binding as well as start-site selection. Image
analysis has shown TAF2 to form a complex with TAF1 and
TBP, inferring its role in promoter recognition.
Peptidases in the M1 family bind a single catalytic zinc
ion which is tetrahedrally co-ordinated by three amino
acid ligands and a water molecule that forms the
nucleophile on activation during catalysis. TAF2,
however, does not seem to contain any of the active site
residues.
Length = 507
Score = 30.8 bits (70), Expect = 0.17
Identities = 9/23 (39%), Positives = 14/23 (60%)
Query: 30 QWFGDLVTPASWNFAWLNEAFAR 52
QWFG ++P +W+ WL + A
Sbjct: 325 QWFGCFISPEAWSDEWLLKGIAG 347
Score = 30.8 bits (70), Expect = 0.17
Identities = 9/23 (39%), Positives = 14/23 (60%)
Query: 102 QWFGDLVTPASWNFAWLNEAFAR 124
QWFG ++P +W+ WL + A
Sbjct: 325 QWFGCFISPEAWSDEWLLKGIAG 347
>gnl|CDD|219383 pfam07348, Syd, Syd protein (SUKH-2). This family contains a
number of bacterial Syd proteins approximately 180
residues long. It has been suggested that Syd is loosely
associated with the cytoplasmic surface of the
cytoplasmic membrane, and that interaction with SecY may
be involved in this membrane association. Operon
analysis showed that Syd protein may function as
immunity protein in bacterial toxin systems.
Length = 176
Score = 27.9 bits (63), Expect = 1.4
Identities = 10/40 (25%), Positives = 14/40 (35%), Gaps = 9/40 (22%)
Query: 23 VTHEFTHQWFGDLVTPASWNF-------AWLNEAFARLFE 55
+ + + GDL A + W E F RL E
Sbjct: 74 IKAFYGSYFSGDL--TAFFPGGEIELLQVWNEEDFERLQE 111
Score = 27.9 bits (63), Expect = 1.4
Identities = 10/40 (25%), Positives = 14/40 (35%), Gaps = 9/40 (22%)
Query: 95 VTHEFTHQWFGDLVTPASWNF-------AWLNEAFARLFE 127
+ + + GDL A + W E F RL E
Sbjct: 74 IKAFYGSYFSGDL--TAFFPGGEIELLQVWNEEDFERLQE 111
>gnl|CDD|219965 pfam08676, MutL_C, MutL C terminal dimerisation domain. MutL and
MutS are key components of the DNA repair machinery that
corrects replication errors. MutS recognises mispaired
or unpaired bases in a DNA duplex and in the presence of
ATP, recruits MutL to form a DNA signaling complex for
repair. The N terminal region of MutL contains the
ATPase domain and the C terminal is involved in
dimerisation.
Length = 144
Score = 27.2 bits (61), Expect = 1.9
Identities = 12/32 (37%), Positives = 17/32 (53%), Gaps = 3/32 (9%)
Query: 48 EAFARL---FEYFGTRMLYVQEIPTPIREKFL 76
E ARL E FG L V+ +P +R++ L
Sbjct: 73 ELLARLGFELEEFGPNSLIVRSVPALLRQQNL 104
>gnl|CDD|200107 TIGR01465, cobM_cbiF, precorrin-4 C11-methyltransferase. This
model represents precorrin-4 C11-methyltransferase, one
of two methyltransferases commonly referred to as
precorrin-3 methylase (the other is precorrin-3B
C17-methyltransferase, EC 2.1.1.131). This enzyme
participates in the pathway toward the biosynthesis of
cobalamin and related products [Biosynthesis of
cofactors, prosthetic groups, and carriers, Heme,
porphyrin, and cobalamin].
Length = 247
Score = 27.3 bits (61), Expect = 2.4
Identities = 18/56 (32%), Positives = 21/56 (37%), Gaps = 11/56 (19%)
Query: 67 IPTPIREKFLLTSKHQCTTADFQRAT---SVVTHEFTHQWFGDLVTP------ASW 113
P P EK +KH T A F A VV H + D TP A+W
Sbjct: 140 TPMPEGEKLADLAKHGATMAIFLSAHILDKVVKELIEHGYSED--TPVAVVYRATW 193
>gnl|CDD|220254 pfam09471, Peptidase_M64, IgA Peptidase M64. This is a family of
highly selective metallo-endopeptidases. The primary
structure of the Clostridium ramosum IgA proteinase
shows no significant overall similarity to any other
known metallo-endopeptidase.
Length = 255
Score = 26.6 bits (59), Expect = 4.3
Identities = 14/50 (28%), Positives = 19/50 (38%), Gaps = 18/50 (36%)
Query: 81 HQCTTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEYFG 130
+ TAD A+ + HEF H +FA L + EYF
Sbjct: 199 YGTVTADNSWASYIAVHEFGH------------SFAGLAD------EYFY 230
Score = 25.4 bits (56), Expect = 9.6
Identities = 16/55 (29%), Positives = 22/55 (40%), Gaps = 18/55 (32%)
Query: 12 TTADFQRATSVVTHEFTHQWFGDLVTPASWNFAWLNEAFARLFEYFGTRMLYVQE 66
TAD A+ + HEF H +FA L + EYF +Y+ E
Sbjct: 202 VTADNSWASYIAVHEFGH------------SFAGLAD------EYFYGGCVYLGE 238
>gnl|CDD|201064 pfam00182, Glyco_hydro_19, Chitinase class I.
Length = 232
Score = 25.9 bits (57), Expect = 6.2
Identities = 7/26 (26%), Positives = 13/26 (50%)
Query: 23 VTHEFTHQWFGDLVTPASWNFAWLNE 48
+HE T W+ P +W + ++ E
Sbjct: 60 TSHETTGGWYTAPDGPYAWGYCFVRE 85
Score = 25.9 bits (57), Expect = 6.2
Identities = 7/26 (26%), Positives = 13/26 (50%)
Query: 95 VTHEFTHQWFGDLVTPASWNFAWLNE 120
+HE T W+ P +W + ++ E
Sbjct: 60 TSHETTGGWYTAPDGPYAWGYCFVRE 85
>gnl|CDD|176108 cd08416, PBP2_MdcR, The C-terminal substrate-binding domian of
LysR-type transcriptional regulator MdcR, which involved
in the malonate catabolism contains the type 2
periplasmic binding fold. This family includes the
C-terminal substrate binding domain of LysR-type
transcriptional regulator (LTTR) MdcR that controls the
expression of the malonate decarboxylase (mdc) genes.
Like other members of the LTTRs, MdcR is a positive
regulatory protein for its target promoter and composed
of two functional domains joined by a linker helix
involved in oligomerization: an N-terminal HTH
(helix-turn-helix) domain, which is responsible for the
DNA-binding specificity, and a C-terminal
substrate-binding domain, which is structurally
homologous to the type 2 periplasmic binding proteins
(PBP2). The PBP2 are responsible for the uptake of a
variety of substrates such as phosphate, sulfate,
polysaccharides, lysine/arginine/ornithine, and
histidine. The PBP2 bind their ligand in the cleft
between these domains in a manner resembling a Venus
flytrap. After binding their specific ligand with high
affinity, they can interact with a cognate membrane
transport complex comprised of two integral membrane
domains and two cytoplasmically located ATPase domains.
This interaction triggers the ligand translocation
across the cytoplasmic membrane energized by ATP
hydrolysis. Besides transport proteins, the PBP2
superfamily includes the substrate- binding domains from
ionotropic glutamate receptors, LysR-like
transcriptional regulators, and unorthodox sensor
proteins involved in signal transduction.
Length = 199
Score = 25.4 bits (56), Expect = 9.9
Identities = 8/19 (42%), Positives = 10/19 (52%)
Query: 1 EKFLLTSKGQCTTADFQRA 19
EKF+ S+G T F A
Sbjct: 100 EKFVTLSEGFATYRGFDEA 118
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
0.326 0.134 0.451
Gapped
Lambda K H
0.267 0.0623 0.140
Matrix: BLOSUM62
Gap Penalties: Existence: 11, Extension: 1
Number of Sequences: 44354
Number of Hits to DB: 6,794,942
Number of extensions: 570237
Number of successful extensions: 748
Number of sequences better than 10.0: 1
Number of HSP's gapped: 745
Number of HSP's successfully gapped: 56
Length of query: 132
Length of database: 10,937,602
Length adjustment: 86
Effective length of query: 46
Effective length of database: 7,123,158
Effective search space: 327665268
Effective search space used: 327665268
Neighboring words threshold: 11
Window for multiple hits: 40
X1: 15 ( 7.1 bits)
X2: 38 (14.6 bits)
X3: 64 (24.7 bits)
S1: 40 (21.7 bits)
S2: 53 (24.4 bits)