PEPT_STRGC
ID PEPT_STRGC Reviewed; 408 AA.
AC A8AXT3;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 23-OCT-2007, sequence version 1.
DT 03-AUG-2022, entry version 86.
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=SGO_1312;
OS Streptococcus gordonii (strain Challis / ATCC 35105 / BCRC 15272 / CH1 /
OS DL1 / V288).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus.
OX NCBI_TaxID=467705;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Challis / ATCC 35105 / BCRC 15272 / CH1 / DL1 / V288;
RX PubMed=17720781; DOI=10.1128/jb.01023-07;
RA Vickerman M.M., Iobst S., Jesionowski A.M., Gill S.R.;
RT "Genome-wide transcriptional changes in Streptococcus gordonii in response
RT to competence signaling peptide.";
RL J. Bacteriol. 189:7799-7807(2007).
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; CP000725; ABV09487.1; -; Genomic_DNA.
DR RefSeq; WP_012000700.1; NC_009785.1.
DR AlphaFoldDB; A8AXT3; -.
DR SMR; A8AXT3; -.
DR STRING; 467705.SGO_1312; -.
DR MEROPS; M20.003; -.
DR EnsemblBacteria; ABV09487; ABV09487; SGO_1312.
DR KEGG; sgo:SGO_1312; -.
DR eggNOG; COG2195; Bacteria.
DR HOGENOM; CLU_053676_0_0_9; -.
DR OMA; GHNFHGK; -.
DR Proteomes; UP000001131; 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; Reference proteome; Zinc.
FT CHAIN 1..408
FT /note="Peptidase T"
FT /id="PRO_1000081965"
FT ACT_SITE 83
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 81
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 408 AA; 45229 MW; CCE6E23AB48ED754 CRC64;
MKYPNLLERF LTYVKVNTRS DETSTTTPST QSQMDFANNI LIPEMKRVGL ENVYYLPNGF
AIGTLPANDP SFTLKIGFIS HMDTADFNAE NVQPQVIENY DGGVIPLGQS GFNLDPADFA
SLHKYKGQTL ITTDGTTLLG ADDKSGIAEI MTAIEYLSAH PEIKHGEIRV GFGPDEEIGI
GADKFDAENF DVDFAYTVDG GPLGELQYET FSAAGAELTF QGRNVHPGTA KDQMINALQL
AIDFHNQLPE ADRPEKTEGY QGFYHLMNLT GTVEEAQASY IIRDFETDAF ENRKAAMQAI
ADKMNQELGR ERVILTLKDQ YYNMKQVIEK DMTPIHIAKA VMESLDIQPI IEPIRGGTDG
SKISFMGIPT PNLFAGGENM HGRFEYVSLE TMERAVDTII GIVSYQEK
