ID PEPT_STRPZ Reviewed; 407 AA.
AC B5XKT3;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 25-NOV-2008, sequence version 1.
DT 27-MAR-2024, entry version 76.
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=Spy49_0624;
OS Streptococcus pyogenes serotype M49 (strain NZ131).
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus.
OX NCBI_TaxID=471876;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NZ131;
RX PubMed=18820018; DOI=10.1128/jb.00672-08;
RA McShan W.M., Ferretti J.J., Karasawa T., Suvorov A.N., Lin S., Qin B.,
RA Jia H., Kenton S., Najar F., Wu H., Scott J., Roe B.A., Savic D.J.;
RT "Genome sequence of a nephritogenic and highly transformable M49 strain of
RT Streptococcus pyogenes.";
RL J. Bacteriol. 190:7773-7785(2008).
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; CP000829; ACI60945.1; -; Genomic_DNA.
DR RefSeq; WP_009880411.1; NC_011375.1.
DR AlphaFoldDB; B5XKT3; -.
DR SMR; B5XKT3; -.
DR MEROPS; M20.003; -.
DR KEGG; soz:Spy49_0624; -.
DR HOGENOM; CLU_053676_0_0_9; -.
DR Proteomes; UP000001039; 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 CDD; cd03892; M20_peptT; 1.
DR Gene3D; 3.30.70.360; -; 1.
DR Gene3D; 3.40.630.10; Zn peptidases; 1.
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 NCBIfam; TIGR01882; peptidase-T; 1.
DR PANTHER; PTHR42994; PEPTIDASE T; 1.
DR PANTHER; PTHR42994:SF1; PEPTIDASE T; 1.
DR Pfam; PF07687; M20_dimer; 1.
DR Pfam; PF01546; Peptidase_M20; 1.
DR PIRSF; PIRSF037215; Peptidase_M20B; 1.
DR SUPFAM; SSF55031; Bacterial exopeptidase dimerisation domain; 1.
DR SUPFAM; SSF53187; Zn-dependent exopeptidases; 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_1000129056"
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; 45036 MW; 1C81D036DF7CDC9E CRC64;
MKYDNLLDRF IKYVKVNTRS DPDSETTPST ESQEVFALTI LKPEMEAIGL QDVHYNPVNG
YLIGTLPANN PTLTRKIGFI AHMDTADFNA ENVNPQIIDN YQGGDITLGS SNYKLDPEAF
PNLNNYIGQT LITTDGTTLL GADDKSGIAE IMTAIEFLTS QPQIEHCDIK VAFGPDEEIG
VGADKFEVAD FEVDFAYTMD GGPLGELQYE TFSAAALEVT FLGRNVHPGT AKDQMINALQ
LAIDFHEKLP AKERPEYTDG YQGFYHLTGL TGTVEEARAS YIIRDFEEAS FEARKVKVEN
IAQSMNAHLG TKRVLVELND QYYNMKKVIE KDMTAIELAK EVMEELAIKP VIEPIRGGTD
GSKISFMGIP TPNIFAGGEN MHGRFEFVSL QTMERAVDVI IGLVCKA
//
