ID   PEPQ_ECOHS              Reviewed;         443 AA.
AC   A8A6V2;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 82.
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=EcHS_A4070;
OS   Escherichia coli O9:H4 (strain HS).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=331112;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HS;
RX   PubMed=18676672; DOI=10.1128/jb.00619-08;
RA   Rasko D.A., Rosovitz M.J., Myers G.S.A., Mongodin E.F., Fricke W.F.,
RA   Gajer P., Crabtree J., Sebaihia M., Thomson N.R., Chaudhuri R.,
RA   Henderson I.R., Sperandio V., Ravel J.;
RT   "The pangenome structure of Escherichia coli: comparative genomic analysis
RT   of E. coli commensal and pathogenic isolates.";
RL   J. Bacteriol. 190:6881-6893(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=Hydrolysis of Xaa-|-Pro dipeptides. Also acts on aminoacyl-
CC         hydroxyproline analogs. No action on Pro-|-Pro.; 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; CP000802; ABV08256.1; -; Genomic_DNA.
DR   RefSeq; WP_000444561.1; NC_009800.1.
DR   AlphaFoldDB; A8A6V2; -.
DR   SMR; A8A6V2; -.
DR   MEROPS; M24.003; -.
DR   GeneID; 67414369; -.
DR   KEGG; ecx:EcHS_A4070; -.
DR   HOGENOM; CLU_050675_0_0_6; -.
DR   OMA; DFWHKVA; -.
DR   Proteomes; UP000001123; 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   Gene3D; 3.40.350.10; -; 1.
DR   Gene3D; 3.90.230.10; -; 1.
DR   HAMAP; MF_01279; X_Pro_dipeptid; 1.
DR   InterPro; IPR029149; Creatin/AminoP/Spt16_NTD.
DR   InterPro; IPR036005; Creatinase/aminopeptidase-like.
DR   InterPro; IPR000994; Pept_M24.
DR   InterPro; IPR001131; Peptidase_M24B_aminopep-P_CS.
DR   InterPro; IPR022846; X_Pro_dipept.
DR   Pfam; PF00557; Peptidase_M24; 1.
DR   SUPFAM; SSF55920; SSF55920; 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_1000067401"
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;  50176 MW;  C5CB313DB774F670 CRC64;
     MESLASLYKN HIATLQERTR DALARFKLDA LLIHSGELFN VFLDDHPYPF KVNPQFKAWV
     PVTQVPNCWL LVDGVNKPKL WFYLPVDYWH NVEPLPTSFW TEDVEVIALP KADGIGSLLP
     AARGNIGYIG PVPERALQLG IEASNINPKG VIDYLHYYRS FKTEYELACM REAQKMAVNG
     HRAAEEAFRS GMSEFDINIA YLTATGHRDT DVPYSNIVAL NEHAAVLHYT KLDHQAPEEM
     RSFLLDAGAE YNGYAADLTR TWSAKSDNDY AQLVKDVNDE QLALIATMKA GVSYVDYHIQ
     FHQRIAKLLR KHQIITDMSE EAMVENDLTG PFMPHGIGHP LGLQVHDVAG FMQDDSGTHL
     AAPAKYPYLR CTRILQPGMV LTIEPGIYFI ESLLAPWREG QFSKHFNWQK IEALKPFGGI
     RIEDNVVIHE NNVENMTRDL KLA