PEPT_LATSS
ID PEPT_LATSS Reviewed; 413 AA.
AC Q38X92;
DT 23-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT 22-NOV-2005, sequence version 1.
DT 03-AUG-2022, entry version 94.
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=LCA_0888;
OS Latilactobacillus sakei subsp. sakei (strain 23K) (Lactobacillus sakei
OS subsp. sakei).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC Latilactobacillus.
OX NCBI_TaxID=314315;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=23K;
RX PubMed=16273110; DOI=10.1038/nbt1160;
RA Chaillou S., Champomier-Verges M.-C., Cornet M., Crutz-Le Coq A.-M.,
RA Dudez A.-M., Martin V., Beaufils S., Darbon-Rongere E., Bossy R., Loux V.,
RA Zagorec M.;
RT "The complete genome sequence of the meat-borne lactic acid bacterium
RT Lactobacillus sakei 23K.";
RL Nat. Biotechnol. 23:1527-1533(2005).
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; CR936503; CAI55189.1; -; Genomic_DNA.
DR RefSeq; WP_011374590.1; NC_007576.1.
DR AlphaFoldDB; Q38X92; -.
DR SMR; Q38X92; -.
DR STRING; 314315.LCA_0888; -.
DR EnsemblBacteria; CAI55189; CAI55189; LCA_0888.
DR GeneID; 57133745; -.
DR KEGG; lsa:LCA_0888; -.
DR eggNOG; COG2195; Bacteria.
DR HOGENOM; CLU_053676_0_0_9; -.
DR OMA; GHNFHGK; -.
DR OrthoDB; 1015417at2; -.
DR Proteomes; UP000002707; 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; 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..413
FT /note="Peptidase T"
FT /id="PRO_0000274016"
FT ACT_SITE 84
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT ACT_SITE 179
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 145
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT BINDING 145
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT BINDING 180
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT BINDING 202
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
FT BINDING 384
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00550"
SQ SEQUENCE 413 AA; 45959 MW; 9913FBA2CC2821C4 CRC64;
MAKYEKLIPR FLEYITTETR SDENATTIPS TQTQVVFLHK LMDDLKEIGL SDVKYNEKNG
YVTALLPSNI DKKVPTMGFL SHVDTADFNA KGVNPQTIEN YDGESIIKLD EAGQFVLDPK
EFPNMKNYKG QTLITTDGST LLGSDDKSGV AEIITAMDYF IQHPEIKHGD IKIGLGPDEE
IGTGADHFDA EDFATDFAYT MDGGPIGQLE YETFNAAAMK VDIQGKNVHP SEAKDIMINA
LQVAVDFQDA FPRDEVPEKT DGRQGFYHLL SLDGTVDEAH MAYIIRDFDR DGLETRKAFA
AKVAEDMNAK YGEGRVKATI KDQYYNMAEV LKDHMDVVDL AKDAMEAIDI KPLIEPVRGG
TDGSKISFMG IPTPNIFAGA ENMHGRYEFV SVQTMEKAVD TMIKMNELNV ERN