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PEPB_SHIFL
ID   PEPB_SHIFL              Reviewed;         427 AA.
AC   Q83QK5; Q7C0G7;
DT   15-FEB-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 118.
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};
GN   OrderedLocusNames=SF2570, S2742;
OS   Shigella flexneri.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Shigella.
OX   NCBI_TaxID=623;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=301 / Serotype 2a;
RX   PubMed=12384590; DOI=10.1093/nar/gkf566;
RA   Jin Q., Yuan Z., Xu J., Wang Y., Shen Y., Lu W., Wang J., Liu H., Yang J.,
RA   Yang F., Zhang X., Zhang J., Yang G., Wu H., Qu D., Dong J., Sun L.,
RA   Xue Y., Zhao A., Gao Y., Zhu J., Kan B., Ding K., Chen S., Cheng H.,
RA   Yao Z., He B., Chen R., Ma D., Qiang B., Wen Y., Hou Y., Yu J.;
RT   "Genome sequence of Shigella flexneri 2a: insights into pathogenicity
RT   through comparison with genomes of Escherichia coli K12 and O157.";
RL   Nucleic Acids Res. 30:4432-4441(2002).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700930 / 2457T / Serotype 2a;
RX   PubMed=12704152; DOI=10.1128/iai.71.5.2775-2786.2003;
RA   Wei J., Goldberg M.B., Burland V., Venkatesan M.M., Deng W., Fournier G.,
RA   Mayhew G.F., Plunkett G. III, Rose D.J., Darling A., Mau B., Perna N.T.,
RA   Payne S.M., Runyen-Janecky L.J., Zhou S., Schwartz D.C., Blattner F.R.;
RT   "Complete genome sequence and comparative genomics of Shigella flexneri
RT   serotype 2a strain 2457T.";
RL   Infect. Immun. 71:2775-2786(2003).
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; AE005674; AAN44069.1; -; Genomic_DNA.
DR   EMBL; AE014073; AAP17894.1; -; Genomic_DNA.
DR   RefSeq; NP_708362.1; NC_004337.2.
DR   RefSeq; WP_000133598.1; NZ_WPGW01000021.1.
DR   AlphaFoldDB; Q83QK5; -.
DR   SMR; Q83QK5; -.
DR   STRING; 198214.SF2570; -.
DR   MEROPS; M17.004; -.
DR   EnsemblBacteria; AAN44069; AAN44069; SF2570.
DR   EnsemblBacteria; AAP17894; AAP17894; S2742.
DR   GeneID; 1023954; -.
DR   KEGG; sfl:SF2570; -.
DR   KEGG; sft:NCTC1_02825; -.
DR   KEGG; sfx:S2742; -.
DR   PATRIC; fig|198214.7.peg.3069; -.
DR   HOGENOM; CLU_013734_7_1_6; -.
DR   OMA; EKSWAFW; -.
DR   OrthoDB; 356206at2; -.
DR   Proteomes; UP000001006; Chromosome.
DR   Proteomes; UP000002673; 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;
KW   Reference proteome.
FT   CHAIN           1..427
FT                   /note="Peptidase B"
FT                   /id="PRO_0000165845"
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   427 AA;  46242 MW;  5FCB7BBF7146029B CRC64;
     MTEAMKITLS TQPADARWGE KATYSINNDG ITLHLNGADD LGLIQRAARK IDGLGIKHVQ
     LSGEGWDADR CWAFWQGYKG PKGTRKVEWP DLDDAQRQEL DNRLMIIDWV RDTINAPAEE
     LGPSQLAQRA VDLISNVAGD RVTYRITKGE DLREQGYMGL HTVGRGSERS PVLLALDYNP
     TGDKEAPVYA CLVGKGITFD SGGYSIKQTA FMDSMKSDMG GAATVTGALA FAIMRGLNKR
     VKLFLCCADN LISGNAFKLG DIITYRNGKK VEVMNTDAEG RLVLADGLID ASAQKPEMII
     DAATLTGAAK TALGNDYHAL FSFDDALAGR LLASASQENE PFWRLPLAEF HRSQLPSNFA
     ELNNTGSAAY PAGASTAAGF LSHFVENYQQ GWLHIDCSAT YRKAPVEQWS AGATGLGVRT
     IANLLTA
 
 
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