ID   PEPT_STRPD              Reviewed;         407 AA.
AC   Q1JHK2;
DT   23-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT   23-JAN-2007, sequence version 2.
DT   03-AUG-2022, entry version 87.
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};
GN   OrderedLocusNames=MGAS10270_Spy0669;
OS   Streptococcus pyogenes serotype M2 (strain MGAS10270).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=370552;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MGAS10270;
RX   PubMed=16636287; DOI=10.1073/pnas.0510279103;
RA   Beres S.B., Richter E.W., Nagiec M.J., Sumby P., Porcella S.F., DeLeo F.R.,
RA   Musser J.M.;
RT   "Molecular genetic anatomy of inter- and intraserotype variation in the
RT   human bacterial pathogen group A Streptococcus.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:7059-7064(2006).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ABF33734.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000260; ABF33734.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_014407482.1; NC_008022.1.
DR   AlphaFoldDB; Q1JHK2; -.
DR   SMR; Q1JHK2; -.
DR   MEROPS; M20.003; -.
DR   EnsemblBacteria; ABF33734; ABF33734; MGAS10270_Spy0669.
DR   KEGG; sph:MGAS10270_Spy0669; -.
DR   HOGENOM; CLU_053676_0_0_9; -.
DR   Proteomes; UP000002436; 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..407
FT                   /note="Peptidase T"
FT                   /id="PRO_0000274026"
FT   ACT_SITE        84
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   ACT_SITE        177
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   BINDING         82
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   BINDING         143
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   BINDING         143
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   BINDING         178
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   BINDING         200
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT   BINDING         382
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
SQ   SEQUENCE   407 AA;  44998 MW;  46793231A240CDAB CRC64;
     MKYDNLLDRF IKYVKVNTRS DPDSETTPST ESQEAFALTI LKPEMEAIGL QDVHYNPVNG
     YLIGTLPANN PTLTRKIGFI AHMDTADFNA ENVNPQIIDN YQGGDITLGS SNYKLDPKAF
     PNLNNYIGQT LITTDGTTLL GADDKSGIAE IMTAIEFLTS QPQIEHCDIK VAFGPDEEIG
     VGADKFEVAD FEVDFAYTMD GGPLGELQYE TFSAAALEVT FLGRNVHPGT AKDQMINALQ
     LAIDFHEKLP AKERPEYTDG YQGFYHLTGL TGTVEEARAS YIIRDFEEAS FEARKVKVEN
     IAQSMNAQLG TKRVLVELND QYYNMKKVIE KDMTAIELAK EVMEELAIKP VIEPIRGGTD
     GSKISFMGIP TPNIFAGGEN MHGRFEFVSL QTMERAVDVI IGLVCKA