PCP_CITK8
ID PCP_CITK8 Reviewed; 214 AA.
AC A8AJA6;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 23-OCT-2007, sequence version 1.
DT 03-AUG-2022, entry version 81.
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}; OrderedLocusNames=CKO_02452;
OS Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Citrobacter.
OX NCBI_TaxID=290338;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG The Citrobacter koseri Genome Sequencing Project;
RA McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA Johnson M., Thiruvilangam P., Wilson R.;
RL Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
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}.
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DR EMBL; CP000822; ABV13569.1; -; Genomic_DNA.
DR RefSeq; WP_012133293.1; NC_009792.1.
DR AlphaFoldDB; A8AJA6; -.
DR SMR; A8AJA6; -.
DR STRING; 290338.CKO_02452; -.
DR MEROPS; C15.001; -.
DR EnsemblBacteria; ABV13569; ABV13569; CKO_02452.
DR GeneID; 45136341; -.
DR KEGG; cko:CKO_02452; -.
DR HOGENOM; CLU_043960_4_0_6; -.
DR OMA; KLAYNHK; -.
DR OrthoDB; 1927224at2; -.
DR Proteomes; UP000008148; 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; -; 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 PANTHER; PTHR23402; PTHR23402; 1.
DR Pfam; PF01470; Peptidase_C15; 1.
DR PIRSF; PIRSF015592; Prld-crbxl_pptds; 1.
DR PRINTS; PR00706; PYROGLUPTASE.
DR SUPFAM; SSF53182; SSF53182; 1.
DR TIGRFAMs; TIGR00504; pyro_pdase; 1.
DR PROSITE; PS01334; PYRASE_CYS; 1.
DR PROSITE; PS01333; PYRASE_GLU; 1.
PE 3: Inferred from homology;
KW Cytoplasm; Hydrolase; Protease; Reference proteome; Thiol protease.
FT CHAIN 1..214
FT /note="Pyrrolidone-carboxylate peptidase"
FT /id="PRO_1000050124"
FT ACT_SITE 80
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00417"
FT ACT_SITE 143
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00417"
FT ACT_SITE 166
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00417"
SQ SEQUENCE 214 AA; 22575 MW; 4FD51AC7348A6D02 CRC64;
MKTVLITGFE PFGGEQVNPS WEVVSRLDNA IIAGCRVVAR QLPCVFGDSL TVLNAAIDAL
SPVLVLAIGQ AGGRTDITVE RVAINIDDAR IPDNRGRQPV DEPIVAEGPA AWFSTLPIKA
MVSAMREAGI PASVSQTAGT FVCNHVMYGL LHKLRDIQDV KGGFIHIPYL PEQAAAHPGA
PSMAAETVRQ ALEIAIVTAL HVETDIAVTG GATH