ID   PEPT_BACC1              Reviewed;         410 AA.
AC   Q732Y5;
DT   16-AUG-2004, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2004, sequence version 1.
DT   03-AUG-2022, entry version 108.
DE   RecName: Full=Peptidase T {ECO:0000255|HAMAP-Rule:MF_00550};
DE            EC=3.4.11.4 {ECO:0000255|HAMAP-Rule:MF_00550};
DE   AltName: Full=Aminotripeptidase {ECO:0000255|HAMAP-Rule:MF_00550};
DE            Short=Tripeptidase {ECO:0000255|HAMAP-Rule:MF_00550};
DE   AltName: Full=Tripeptide aminopeptidase {ECO:0000255|HAMAP-Rule:MF_00550};
GN   Name=pepT {ECO:0000255|HAMAP-Rule:MF_00550}; OrderedLocusNames=BCE_3775;
OS   Bacillus cereus (strain ATCC 10987 / NRS 248).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=222523;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 10987 / NRS 248;
RX   PubMed=14960714; DOI=10.1093/nar/gkh258;
RA   Rasko D.A., Ravel J., Oekstad O.A., Helgason E., Cer R.Z., Jiang L.,
RA   Shores K.A., Fouts D.E., Tourasse N.J., Angiuoli S.V., Kolonay J.F.,
RA   Nelson W.C., Kolstoe A.-B., Fraser C.M., Read T.D.;
RT   "The genome sequence of Bacillus cereus ATCC 10987 reveals metabolic
RT   adaptations and a large plasmid related to Bacillus anthracis pXO1.";
RL   Nucleic Acids Res. 32:977-988(2004).
CC   -!- FUNCTION: Cleaves the N-terminal amino acid of tripeptides.
CC       {ECO:0000255|HAMAP-Rule:MF_00550}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=Release of the N-terminal residue from a tripeptide.;
CC         EC=3.4.11.4; Evidence={ECO:0000255|HAMAP-Rule:MF_00550};
CC   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00550};
CC       Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00550};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00550}.
CC   -!- SIMILARITY: Belongs to the peptidase M20B family. {ECO:0000255|HAMAP-
CC       Rule:MF_00550}.
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DR   EMBL; AE017194; AAS42680.1; -; Genomic_DNA.
DR   RefSeq; WP_000807021.1; NC_003909.8.
DR   AlphaFoldDB; Q732Y5; -.
DR   SMR; Q732Y5; -.
DR   MEROPS; M20.003; -.
DR   EnsemblBacteria; AAS42680; AAS42680; BCE_3775.
DR   GeneID; 59155761; -.
DR   KEGG; bca:BCE_3775; -.
DR   HOGENOM; CLU_053676_0_0_9; -.
DR   OMA; GHNFHGK; -.
DR   Proteomes; UP000002527; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008237; F:metallopeptidase activity; IEA:UniProtKB-KW.
DR   GO; GO:0045148; F:tripeptide aminopeptidase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0043171; P:peptide catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0006508; P:proteolysis; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00550; Aminopeptidase_M20; 1.
DR   InterPro; IPR001261; ArgE/DapE_CS.
DR   InterPro; IPR036264; Bact_exopeptidase_dim_dom.
DR   InterPro; IPR002933; Peptidase_M20.
DR   InterPro; IPR011650; Peptidase_M20_dimer.
DR   InterPro; IPR010161; Peptidase_M20B.
DR   PANTHER; PTHR42994:SF1; PTHR42994:SF1; 1.
DR   Pfam; PF07687; M20_dimer; 1.
DR   Pfam; PF01546; Peptidase_M20; 1.
DR   PIRSF; PIRSF037215; Peptidase_M20B; 1.
DR   SUPFAM; SSF55031; SSF55031; 1.
DR   TIGRFAMs; TIGR01882; peptidase-T; 1.
DR   PROSITE; PS00758; ARGE_DAPE_CPG2_1; 1.
DR   PROSITE; PS00759; ARGE_DAPE_CPG2_2; 1.
PE   3: Inferred from homology;
KW   Aminopeptidase; Cytoplasm; Hydrolase; Metal-binding; Metalloprotease;
KW   Protease; Zinc.
FT   CHAIN           1..410
FT                   /note="Peptidase T"
FT                   /id="PRO_0000185278"
FT   ACT_SITE        81
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   ACT_SITE        176
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   BINDING         79
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   BINDING         142
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   BINDING         142
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   BINDING         177
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   BINDING         199
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   BINDING         381
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
SQ   SEQUENCE   410 AA;  45915 MW;  27EC8B45248C087D CRC64;
     MKQELIERFT RYVKIDTQSN EESHTVPTTP GQIEFGKLLV EELKEIGLTE VTMDDNGYVM
     ATLPANTDKD VPVIGFLAHL DTATDFTGKN VKPQIHENFD GNAITLNEEL NVVLTPEQFP
     ELPSYKGHTI ITTDGTTLLG ADDKAGLTEI MVAMNYLVHN PQIKHGKIRV AFTPDEEIGR
     GPAHFDVEAF GASFAYTMDG GPLGGLEYES FNAAGAKLTF NGTNTHPGTA KNKMRNATKL
     AMEFNGYLPV EEAPEYTEGY EGFYHLLSLN GDVEQSKAYY IIRDFDRENF EARKHNVENI
     VKQMQEKYGQ DAVVLEMNDQ YYNMLEKIEP VREIVDIAYE AMKSLNIEPN IHPIRGGTDG
     SQLSYMGLPT PNIFTGGENY HGKFEYVSVD VMEKAVQVIV EIARRFEEQA