PEPQ_ECOK1
ID PEPQ_ECOK1 Reviewed; 443 AA.
AC A1AI34;
DT 11-SEP-2007, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 1.
DT 03-AUG-2022, entry version 91.
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=Ecok1_38300;
GN ORFNames=APECO1_2610;
OS Escherichia coli O1:K1 / APEC.
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=405955;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=17293413; DOI=10.1128/jb.01726-06;
RA Johnson T.J., Kariyawasam S., Wannemuehler Y., Mangiamele P., Johnson S.J.,
RA Doetkott C., Skyberg J.A., Lynne A.M., Johnson J.R., Nolan L.K.;
RT "The genome sequence of avian pathogenic Escherichia coli strain O1:K1:H7
RT shares strong similarities with human extraintestinal pathogenic E. coli
RT genomes.";
RL J. Bacteriol. 189:3228-3236(2007).
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; CP000468; ABJ03324.1; -; Genomic_DNA.
DR RefSeq; WP_000444545.1; NC_008563.1.
DR AlphaFoldDB; A1AI34; -.
DR SMR; A1AI34; -.
DR MEROPS; M24.003; -.
DR EnsemblBacteria; ABJ03324; ABJ03324; APECO1_2610.
DR KEGG; ecv:APECO1_2610; -.
DR HOGENOM; CLU_050675_0_0_6; -.
DR OMA; DFWHKVA; -.
DR Proteomes; UP000008216; 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_0000303843"
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; 50189 MW; 82B4EF9DE9DBB0B5 CRC64;
MESLASLYKN HIATLQERTR DALARFKLDA LLIHSGELFN VFLDDHPYPF KVNPQFKAWV
PVTQVPNCWL LVDGVNKPKL WFYLPVDYWH NVEPLPNSFW 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