ID Q84BV3_LACLL Unreviewed; 413 AA.
AC Q84BV3;
DT 01-JUN-2003, integrated into UniProtKB/TrEMBL.
DT 01-JUN-2003, sequence version 1.
DT 27-MAR-2024, entry version 115.
DE RecName: Full=Peptidase T {ECO:0000256|HAMAP-Rule:MF_00550};
DE EC=3.4.11.4 {ECO:0000256|HAMAP-Rule:MF_00550};
DE AltName: Full=Aminotripeptidase {ECO:0000256|HAMAP-Rule:MF_00550};
DE Short=Tripeptidase {ECO:0000256|HAMAP-Rule:MF_00550};
DE AltName: Full=Tripeptide aminopeptidase {ECO:0000256|HAMAP-Rule:MF_00550};
GN Name=pepT {ECO:0000256|HAMAP-Rule:MF_00550,
GN ECO:0000313|EMBL:BAC66673.1};
GN ORFNames=JCM5805K_2327 {ECO:0000313|EMBL:GAM81207.1};
OS Lactococcus lactis subsp. lactis (Streptococcus lactis).
OC Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC Lactococcus.
OX NCBI_TaxID=1360 {ECO:0000313|EMBL:BAC66673.1};
RN [1] {ECO:0000313|EMBL:BAC66673.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=NCDO 604T {ECO:0000313|EMBL:BAC66673.1};
RX PubMed=15368846; DOI=10.1078/0723202041438400;
RA Mori S., Mori K., Suzuki I., Kasumi T.;
RT "Phylogenetic analysis of Lactococcus lactis subspecies based on decoding
RT the sequence of the pepT tripeptidase gene, the pepV dipeptidase gene and
RT 16S rRNA.";
RL Syst. Appl. Microbiol. 27:414-422(2004).
RN [2] {ECO:0000313|EMBL:GAM81207.1, ECO:0000313|Proteomes:UP000031847}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JCM 5805 {ECO:0000313|EMBL:GAM81207.1,
RC ECO:0000313|Proteomes:UP000031847};
RA Fujii T., Tomita Y., Ikushima S., Fujiwara D.;
RT "Lactococcus lactis subsp.lactis JCM 5805 whole genome shotgun sequence.";
RL Submitted (JAN-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Cleaves the N-terminal amino acid of tripeptides.
CC {ECO:0000256|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:0000256|ARBA:ARBA00000870,
CC ECO:0000256|HAMAP-Rule:MF_00550};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00550,
CC ECO:0000256|PIRSR:PIRSR037215-2};
CC Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000256|HAMAP-Rule:MF_00550,
CC ECO:0000256|PIRSR:PIRSR037215-2};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00550}.
CC -!- SIMILARITY: Belongs to the peptidase M20B family.
CC {ECO:0000256|ARBA:ARBA00009692, ECO:0000256|HAMAP-Rule:MF_00550}.
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DR EMBL; AB100773; BAC66673.1; -; Genomic_DNA.
DR EMBL; BBSI01000036; GAM81207.1; -; Genomic_DNA.
DR RefSeq; WP_025017175.1; NZ_PUFC01000078.1.
DR AlphaFoldDB; Q84BV3; -.
DR PATRIC; fig|1360.96.peg.955; -.
DR Proteomes; UP000031847; Unassembled WGS sequence.
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 {ECO:0000256|ARBA:ARBA00022438, ECO:0000256|HAMAP-
KW Rule:MF_00550}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00550};
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_00550};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00550};
KW Metalloprotease {ECO:0000256|ARBA:ARBA00023049, ECO:0000256|HAMAP-
KW Rule:MF_00550};
KW Protease {ECO:0000256|ARBA:ARBA00022670, ECO:0000256|HAMAP-Rule:MF_00550};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_00550, ECO:0000256|PIRSR:PIRSR037215-2}.
FT DOMAIN 210..312
FT /note="Peptidase M20 dimerisation"
FT /evidence="ECO:0000259|Pfam:PF07687"
FT ACT_SITE 83
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00550,
FT ECO:0000256|PIRSR:PIRSR037215-1"
FT ACT_SITE 178
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00550,
FT ECO:0000256|PIRSR:PIRSR037215-1"
FT BINDING 81
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00550,
FT ECO:0000256|PIRSR:PIRSR037215-2"
FT BINDING 143
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00550,
FT ECO:0000256|PIRSR:PIRSR037215-2"
FT BINDING 143
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00550,
FT ECO:0000256|PIRSR:PIRSR037215-2"
FT BINDING 179
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00550,
FT ECO:0000256|PIRSR:PIRSR037215-2"
FT BINDING 201
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00550,
FT ECO:0000256|PIRSR:PIRSR037215-2"
FT BINDING 383
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00550,
FT ECO:0000256|PIRSR:PIRSR037215-2"
SQ SEQUENCE 413 AA; 46058 MW; 101932BC961C39C7 CRC64;
MKYEKLLPRF LEYVKVNTRS DENSTTTPST QALVEFAHKM GEDMKALGLK EVHYLESNGY
VIGTIPANTD KKVRKIGLLA HLDTADFNAE GVNPQILENY DGESVIKLGD TEFTLDPKDF
PNLKNYKEQT LVHTDGTTLL GSDDKSGVAE IMTLADYLLN INPDFEHGEI RVGFGPDEEI
GVGADKFDVA DFDVDFAYTV DGGPLGELQY ETFSAAGAVI EFQGKNVHPG TAKNTMVNAL
QLAIDYHNAL PEFDRPEKTE GREGFFHLLK LDGTPEEARA QYIIRDHEEG KFNERKALMQ
EIADKMNAEL GQNRVKPVIK DQYYNMAQII EKDMSIIDIA KKAMENLDIV PIIEPIRGGT
DGSKISFMGL PTPNLFAGGE NMHGRFEFVS VQTMEKAVDT LLEIIRLNNE VVK
//
