ID PEPQ_SALEP Reviewed; 443 AA.
AC B5QW86;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 04-NOV-2008, sequence version 1.
DT 27-MAR-2024, entry version 83.
DE RecName: Full=Xaa-Pro dipeptidase {ECO:0000255|HAMAP-Rule:MF_01279};
DE Short=X-Pro dipeptidase {ECO:0000255|HAMAP-Rule:MF_01279};
DE EC=3.4.13.9 {ECO:0000255|HAMAP-Rule:MF_01279};
DE AltName: Full=Imidodipeptidase {ECO:0000255|HAMAP-Rule:MF_01279};
DE AltName: Full=Proline dipeptidase {ECO:0000255|HAMAP-Rule:MF_01279};
DE Short=Prolidase {ECO:0000255|HAMAP-Rule:MF_01279};
GN Name=pepQ {ECO:0000255|HAMAP-Rule:MF_01279}; OrderedLocusNames=SEN3778;
OS Salmonella enteritidis PT4 (strain P125109).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Salmonella.
OX NCBI_TaxID=550537;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=P125109;
RX PubMed=18583645; DOI=10.1101/gr.077404.108;
RA Thomson N.R., Clayton D.J., Windhorst D., Vernikos G., Davidson S.,
RA Churcher C., Quail M.A., Stevens M., Jones M.A., Watson M., Barron A.,
RA Layton A., Pickard D., Kingsley R.A., Bignell A., Clark L., Harris B.,
RA Ormond D., Abdellah Z., Brooks K., Cherevach I., Chillingworth T.,
RA Woodward J., Norberczak H., Lord A., Arrowsmith C., Jagels K., Moule S.,
RA Mungall K., Saunders M., Whitehead S., Chabalgoity J.A., Maskell D.,
RA Humphreys T., Roberts M., Barrow P.A., Dougan G., Parkhill J.;
RT "Comparative genome analysis of Salmonella enteritidis PT4 and Salmonella
RT gallinarum 287/91 provides insights into evolutionary and host adaptation
RT pathways.";
RL Genome Res. 18:1624-1637(2008).
CC -!- FUNCTION: Splits dipeptides with a prolyl residue in the C-terminal
CC position. {ECO:0000255|HAMAP-Rule:MF_01279}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + Xaa-L-Pro dipeptide = an L-alpha-amino acid + L-proline;
CC Xref=Rhea:RHEA:76407, ChEBI:CHEBI:15377, ChEBI:CHEBI:59869,
CC ChEBI:CHEBI:60039, ChEBI:CHEBI:195196; EC=3.4.13.9;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01279};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01279};
CC Note=Binds 2 manganese ions per subunit. {ECO:0000255|HAMAP-
CC Rule:MF_01279};
CC -!- SIMILARITY: Belongs to the peptidase M24B family. Bacterial-type
CC prolidase subfamily. {ECO:0000255|HAMAP-Rule:MF_01279}.
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DR EMBL; AM933172; CAR35354.1; -; Genomic_DNA.
DR RefSeq; WP_000444529.1; NC_011294.1.
DR AlphaFoldDB; B5QW86; -.
DR SMR; B5QW86; -.
DR MEROPS; M24.003; -.
DR KEGG; set:SEN3778; -.
DR HOGENOM; CLU_050675_0_0_6; -.
DR Proteomes; UP000000613; Chromosome.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0008235; F:metalloexopeptidase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0016795; F:phosphoric triester hydrolase activity; IEA:InterPro.
DR GO; GO:0102009; F:proline dipeptidase activity; IEA:UniProtKB-EC.
DR GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW.
DR CDD; cd01087; Prolidase; 1.
DR Gene3D; 3.90.230.10; Creatinase/methionine aminopeptidase superfamily; 1.
DR Gene3D; 3.40.350.10; Creatinase/prolidase N-terminal domain; 1.
DR HAMAP; MF_01279; X_Pro_dipeptid; 1.
DR InterPro; IPR029149; Creatin/AminoP/Spt16_NTD.
DR InterPro; IPR036005; Creatinase/aminopeptidase-like.
DR InterPro; IPR048819; PepQ_N.
DR InterPro; IPR000994; Pept_M24.
DR InterPro; IPR001131; Peptidase_M24B_aminopep-P_CS.
DR InterPro; IPR022846; X_Pro_dipept.
DR PANTHER; PTHR43226; XAA-PRO AMINOPEPTIDASE 3; 1.
DR PANTHER; PTHR43226:SF4; XAA-PRO AMINOPEPTIDASE 3; 1.
DR Pfam; PF21216; PepQ_N; 1.
DR Pfam; PF00557; Peptidase_M24; 1.
DR SUPFAM; SSF55920; Creatinase/aminopeptidase; 1.
DR PROSITE; PS00491; PROLINE_PEPTIDASE; 1.
PE 3: Inferred from homology;
KW Dipeptidase; Hydrolase; Manganese; Metal-binding; Metalloprotease;
KW Protease.
FT CHAIN 1..443
FT /note="Xaa-Pro dipeptidase"
FT /id="PRO_1000140325"
FT BINDING 246
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01279"
FT BINDING 257
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01279"
FT BINDING 257
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01279"
FT BINDING 339
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01279"
FT BINDING 384
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01279"
FT BINDING 423
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01279"
FT BINDING 423
FT /ligand="Mn(2+)"
FT /ligand_id="ChEBI:CHEBI:29035"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01279"
SQ SEQUENCE 443 AA; 50170 MW; E542A3C2C1EEE44F CRC64;
MESLAALYKN HIVTLQERTR DVLARFKLDA LLIHSGELFN VFLDDHPYPF KVNPQFKAWV
PVTQVPNCWL LVDGVNKPKL WFYLPVDYWH NVEPLPTSFW TEEVEVVALP KADGIGSQLP
AARGNIGYIG PVPERALQLD IAASNINPKG VIDYLHYYRA YKTDYELACM REAQKMAVSG
HRAAEEAFRS GMSEFDINLA YLTATGHRDT DVPYSNIVAL NEHAAVLHYT KLDHQAPSEM
RSFLLDAGAE YNGYAADLTR TWSAKSDNDY AHLVKDVNDE QLALIATMKA GVSYVDYHIQ
FHQRIAKLLR KHQIITDMSE EAMVENDLTG PFMPHGIGHP LGLQVHDVAG FMQDDSGTHL
AAPSKYPYLR CTRVLQPRMV LTIEPGIYFI ESLLAPWREG PFSKHFNWQK IEALKPFGGI
RIEDNVVIHE NGVENMTRDL KLA
//
