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PEPB_ENT38
ID   PEPB_ENT38              Reviewed;         428 AA.
AC   A4WDA4;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 1.
DT   03-AUG-2022, entry version 88.
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=Ent638_3020;
OS   Enterobacter sp. (strain 638).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Enterobacter.
OX   NCBI_TaxID=399742;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=638;
RX   PubMed=20485560; DOI=10.1371/journal.pgen.1000943;
RA   Taghavi S., van der Lelie D., Hoffman A., Zhang Y.B., Walla M.D.,
RA   Vangronsveld J., Newman L., Monchy S.;
RT   "Genome sequence of the plant growth promoting endophytic bacterium
RT   Enterobacter sp. 638.";
RL   PLoS Genet. 6:E1000943-E1000943(2010).
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}.
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DR   EMBL; CP000653; ABP61684.1; -; Genomic_DNA.
DR   RefSeq; WP_015960016.1; NC_009436.1.
DR   AlphaFoldDB; A4WDA4; -.
DR   SMR; A4WDA4; -.
DR   STRING; 399742.Ent638_3020; -.
DR   MEROPS; M17.004; -.
DR   PRIDE; A4WDA4; -.
DR   EnsemblBacteria; ABP61684; ABP61684; Ent638_3020.
DR   KEGG; ent:Ent638_3020; -.
DR   eggNOG; COG0260; Bacteria.
DR   HOGENOM; CLU_013734_7_1_6; -.
DR   OMA; EKSWAFW; -.
DR   OrthoDB; 356206at2; -.
DR   Proteomes; UP000000230; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0030145; F:manganese ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0070006; F:metalloaminopeptidase activity; IEA:InterPro.
DR   GO; GO:0000976; F:transcription cis-regulatory region binding; IEA:InterPro.
DR   GO; GO:0006508; P:proteolysis; IEA:UniProtKB-UniRule.
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.
FT   CHAIN           1..428
FT                   /note="Peptidase B"
FT                   /id="PRO_1000060517"
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   428 AA;  46393 MW;  DDC8C2EF3FA96FA5 CRC64;
     MTEAMNITLS TQPADARWGE KATYSINNDG ITLHLNGSDD LGLIQRAARK IDGLGIKHVT
     LAGEGWDTDR SWAFWAGYKG PKGTRKIEWA NLDEAGQKEL ESRLMIIDWV RDTINAPAEE
     LGPEQLAQRA VDLLCKAAGD KMSYRITKGE DLREQNYMGL HTVGRGSERP PVLLALDYNP
     TGDKQAPVYA CLVGKGITFD TGGYSLKQSA FMDSMKSDMG GAATITGALA FAITRGLNKR
     VKLYLCCADN MVSGNAFKLG DIIRYRNGKN VEVMNTDAEG RLVLADGLID ASAQKPELII
     DMATLTGAAK TALGNDYHAL FTFDDKLASR LMASAAAENE PFWRLPLAEF HRSQLPSNFA
     ELNNTASAAY PAGASTAAGF LSHFVENYHE GWLHIDCSAT YRKAGVEQWS AGATGLGVRT
     IANLLTAE
 
 
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