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PEPB_VIBCH
ID   PEPB_VIBCH              Reviewed;         429 AA.
AC   Q9KTX5;
DT   19-DEC-2001, integrated into UniProtKB/Swiss-Prot.
DT   19-DEC-2001, sequence version 2.
DT   03-AUG-2022, entry version 121.
DE   RecName: Full=Peptidase B {ECO:0000255|HAMAP-Rule:MF_00504};
DE            EC=3.4.11.23 {ECO:0000255|HAMAP-Rule:MF_00504};
DE   AltName: Full=Aminopeptidase B {ECO:0000255|HAMAP-Rule:MF_00504};
GN   Name=pepB {ECO:0000255|HAMAP-Rule:MF_00504}; OrderedLocusNames=VC_0755;
OS   Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Vibrio.
OX   NCBI_TaxID=243277;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 39315 / El Tor Inaba N16961;
RX   PubMed=10952301; DOI=10.1038/35020000;
RA   Heidelberg J.F., Eisen J.A., Nelson W.C., Clayton R.A., Gwinn M.L.,
RA   Dodson R.J., Haft D.H., Hickey E.K., Peterson J.D., Umayam L.A., Gill S.R.,
RA   Nelson K.E., Read T.D., Tettelin H., Richardson D.L., Ermolaeva M.D.,
RA   Vamathevan J.J., Bass S., Qin H., Dragoi I., Sellers P., McDonald L.A.,
RA   Utterback T.R., Fleischmann R.D., Nierman W.C., White O., Salzberg S.L.,
RA   Smith H.O., Colwell R.R., Mekalanos J.J., Venter J.C., Fraser C.M.;
RT   "DNA sequence of both chromosomes of the cholera pathogen Vibrio
RT   cholerae.";
RL   Nature 406:477-483(2000).
CC   -!- FUNCTION: Probably plays an important role in intracellular peptide
CC       degradation. {ECO:0000255|HAMAP-Rule:MF_00504}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Release of an N-terminal amino acid, Xaa, from a peptide or
CC         arylamide. Xaa is preferably Glu or Asp but may be other amino acids,
CC         including Leu, Met, His, Cys and Gln.; EC=3.4.11.23;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00504};
CC   -!- COFACTOR:
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00504};
CC       Note=Binds 2 manganese ions per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00504};
CC   -!- SUBUNIT: Homohexamer. {ECO:0000255|HAMAP-Rule:MF_00504}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00504}.
CC   -!- SIMILARITY: Belongs to the peptidase M17 family. {ECO:0000255|HAMAP-
CC       Rule:MF_00504}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAF93920.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE003852; AAF93920.1; ALT_INIT; Genomic_DNA.
DR   PIR; B82283; B82283.
DR   RefSeq; NP_230404.2; NC_002505.1.
DR   RefSeq; WP_000107237.1; NZ_LT906614.1.
DR   AlphaFoldDB; Q9KTX5; -.
DR   SMR; Q9KTX5; -.
DR   STRING; 243277.VC_0755; -.
DR   MEROPS; M17.004; -.
DR   DNASU; 2615764; -.
DR   EnsemblBacteria; AAF93920; AAF93920; VC_0755.
DR   GeneID; 57739465; -.
DR   KEGG; vch:VC_0755; -.
DR   PATRIC; fig|243277.26.peg.719; -.
DR   eggNOG; COG0260; Bacteria.
DR   HOGENOM; CLU_013734_7_1_6; -.
DR   OMA; HFDIYGW; -.
DR   Proteomes; UP000000584; Chromosome 1.
DR   GO; GO:0005737; C:cytoplasm; IBA:GO_Central.
DR   GO; GO:0004177; F:aminopeptidase activity; IBA:GO_Central.
DR   GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0070006; F:metalloaminopeptidase activity; IEA:InterPro.
DR   GO; GO:0008233; F:peptidase activity; IBA:GO_Central.
DR   GO; GO:0000976; F:transcription cis-regulatory region binding; IEA:InterPro.
DR   GO; GO:0006508; P:proteolysis; IBA:GO_Central.
DR   CDD; cd00433; Peptidase_M17; 1.
DR   HAMAP; MF_00504; Aminopeptidase_M17; 1.
DR   InterPro; IPR011356; Leucine_aapep/pepB.
DR   InterPro; IPR008330; Pept_M17_PepB.
DR   InterPro; IPR000819; Peptidase_M17_C.
DR   PANTHER; PTHR11963; PTHR11963; 1.
DR   Pfam; PF12404; DUF3663; 1.
DR   Pfam; PF00883; Peptidase_M17; 1.
DR   PIRSF; PIRSF036388; Ctsl_amnpptdse_B; 1.
DR   PRINTS; PR00481; LAMNOPPTDASE.
DR   PROSITE; PS00631; CYTOSOL_AP; 1.
PE   3: Inferred from homology;
KW   Aminopeptidase; Cytoplasm; Hydrolase; Manganese; Metal-binding; Protease;
KW   Reference proteome.
FT   CHAIN           1..429
FT                   /note="Peptidase B"
FT                   /id="PRO_0000165847"
FT   ACT_SITE        207
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00504"
FT   ACT_SITE        281
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00504"
FT   BINDING         195
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00504"
FT   BINDING         200
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00504"
FT   BINDING         200
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00504"
FT   BINDING         218
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00504"
FT   BINDING         277
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00504"
FT   BINDING         279
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00504"
FT   BINDING         279
FT                   /ligand="Mn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29035"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00504"
SQ   SEQUENCE   429 AA;  46759 MW;  88E908D3D1382449 CRC64;
     MSTQMSVFLS TQAAQPQWGE KALISFAEQG ATIHLQQTQD FSAIQRAARK LDNQGIRTAF
     LAGEGWDLES IWAFYQGYRD AKKRNTVEWK ALAAAEQVEL EARIKATDWT RDIINKSAEE
     VAPRQLATMA AEFIKSLAPD HVSYRIVKDK DLLTEGWEGI YAVGRGSERT SAMLQLDYNP
     TGDENAPVFA CLVGKGITFD SGGYSLKPSN MMSAMKADMG GSGMITGALG LAIMRGFNKR
     VKLILCCAEN MVSGRALKLG DIITYKNGKT VEIMNTDAEG RLVLADGLIY ASEQKPQLII
     DCATLTGAAK NALGNDYHAL LSYDESLSQQ ALAAAKEENE ALWALPLAEF HREMLPSNFA
     DLSNISNGDY TPGASTAAAF LSYFVEGYQK GWLHFDCSAT YRKSASDKWA AGATGMGVKM
     LARILMQQA
 
 
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