ID PCP_CLOPS Reviewed; 213 AA. AC Q0ST25; DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot. DT 05-SEP-2006, sequence version 1. DT 27-MAR-2024, entry version 95. DE RecName: Full=Pyrrolidone-carboxylate peptidase {ECO:0000255|HAMAP-Rule:MF_00417}; DE EC=3.4.19.3 {ECO:0000255|HAMAP-Rule:MF_00417}; DE AltName: Full=5-oxoprolyl-peptidase {ECO:0000255|HAMAP-Rule:MF_00417}; DE AltName: Full=Pyroglutamyl-peptidase I {ECO:0000255|HAMAP-Rule:MF_00417}; DE Short=PGP-I {ECO:0000255|HAMAP-Rule:MF_00417}; DE Short=Pyrase {ECO:0000255|HAMAP-Rule:MF_00417}; GN Name=pcp {ECO:0000255|HAMAP-Rule:MF_00417}; GN OrderedLocusNames=CPR_1413; OS Clostridium perfringens (strain SM101 / Type A). OC Bacteria; Bacillota; Clostridia; Eubacteriales; Clostridiaceae; OC Clostridium. OX NCBI_TaxID=289380; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=SM101 / Type A; RX PubMed=16825665; DOI=10.1101/gr.5238106; RA Myers G.S.A., Rasko D.A., Cheung J.K., Ravel J., Seshadri R., DeBoy R.T., RA Ren Q., Varga J., Awad M.M., Brinkac L.M., Daugherty S.C., Haft D.H., RA Dodson R.J., Madupu R., Nelson W.C., Rosovitz M.J., Sullivan S.A., RA Khouri H., Dimitrov G.I., Watkins K.L., Mulligan S., Benton J., Radune D., RA Fisher D.J., Atkins H.S., Hiscox T., Jost B.H., Billington S.J., RA Songer J.G., McClane B.A., Titball R.W., Rood J.I., Melville S.B., RA Paulsen I.T.; RT "Skewed genomic variability in strains of the toxigenic bacterial pathogen, RT Clostridium perfringens."; RL Genome Res. 16:1031-1040(2006). CC -!- FUNCTION: Removes 5-oxoproline from various penultimate amino acid CC residues except L-proline. {ECO:0000255|HAMAP-Rule:MF_00417}. CC -!- CATALYTIC ACTIVITY: CC Reaction=Release of an N-terminal pyroglutamyl group from a CC polypeptide, the second amino acid generally not being Pro.; CC EC=3.4.19.3; Evidence={ECO:0000255|HAMAP-Rule:MF_00417}; CC -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00417}. CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00417}. CC -!- SIMILARITY: Belongs to the peptidase C15 family. {ECO:0000255|HAMAP- CC Rule:MF_00417}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP000312; ABG87062.1; -; Genomic_DNA. DR AlphaFoldDB; Q0ST25; -. DR SMR; Q0ST25; -. DR MEROPS; C15.001; -. DR KEGG; cpr:CPR_1413; -. DR Proteomes; UP000001824; Chromosome. DR GO; GO:0005829; C:cytosol; IEA:InterPro. DR GO; GO:0016920; F:pyroglutamyl-peptidase activity; IEA:UniProtKB-UniRule. DR GO; GO:0006508; P:proteolysis; IEA:UniProtKB-KW. DR CDD; cd00501; Peptidase_C15; 1. DR Gene3D; 3.40.630.20; Peptidase C15, pyroglutamyl peptidase I-like; 1. DR HAMAP; MF_00417; Pyrrolid_peptidase; 1. DR InterPro; IPR000816; Peptidase_C15. DR InterPro; IPR016125; Peptidase_C15-like. DR InterPro; IPR036440; Peptidase_C15-like_sf. DR InterPro; IPR029762; PGP-I_bact-type. DR InterPro; IPR033694; PGPEP1_Cys_AS. DR InterPro; IPR033693; PGPEP1_Glu_AS. DR NCBIfam; TIGR00504; pyro_pdase; 1. DR PANTHER; PTHR23402; PROTEASE FAMILY C15 PYROGLUTAMYL-PEPTIDASE I-RELATED; 1. DR PANTHER; PTHR23402:SF1; RE07960P; 1. DR Pfam; PF01470; Peptidase_C15; 1. DR PIRSF; PIRSF015592; Prld-crbxl_pptds; 1. DR PRINTS; PR00706; PYROGLUPTASE. DR SUPFAM; SSF53182; Pyrrolidone carboxyl peptidase (pyroglutamate aminopeptidase); 1. DR PROSITE; PS01334; PYRASE_CYS; 1. DR PROSITE; PS01333; PYRASE_GLU; 1. PE 3: Inferred from homology; KW Cytoplasm; Hydrolase; Protease; Thiol protease. FT CHAIN 1..213 FT /note="Pyrrolidone-carboxylate peptidase" FT /id="PRO_1000050128" FT ACT_SITE 78 FT /evidence="ECO:0000255|HAMAP-Rule:MF_00417" FT ACT_SITE 141 FT /evidence="ECO:0000255|HAMAP-Rule:MF_00417" FT ACT_SITE 165 FT /evidence="ECO:0000255|HAMAP-Rule:MF_00417" SQ SEQUENCE 213 AA; 23167 MW; 2FFC8A0059F66388 CRC64; MKVLITGFDS FGGESINPAL EAVKMIPENI EGAQVIKLEI PTVFRKSLEK IEEKIEEINP DIVISIGQAG GRFGVTPERV AINMDDARIE DNEGNQPIDI SIYEDGESAY FSNLPIKAMV KEMVDNGIPA SVSNTAGTFV CNHVMYGVLY LVNKKYKNIR AGFIHVPYIP AQVVNKPNTP SMSINDIAKG LELSIKAIVL NDNDIKTVGG AVC //