ID   PCP_THEKO               Reviewed;         206 AA.
AC   Q5JEL5;
DT   30-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT   15-FEB-2005, sequence version 1.
DT   03-AUG-2022, entry version 96.
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=TK1835;
OS   Thermococcus kodakarensis (strain ATCC BAA-918 / JCM 12380 / KOD1)
OS   (Pyrococcus kodakaraensis (strain KOD1)).
OC   Archaea; Euryarchaeota; Thermococci; Thermococcales; Thermococcaceae;
OC   Thermococcus.
OX   NCBI_TaxID=69014;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-918 / JCM 12380 / KOD1;
RX   PubMed=15710748; DOI=10.1101/gr.3003105;
RA   Fukui T., Atomi H., Kanai T., Matsumi R., Fujiwara S., Imanaka T.;
RT   "Complete genome sequence of the hyperthermophilic archaeon Thermococcus
RT   kodakaraensis KOD1 and comparison with Pyrococcus genomes.";
RL   Genome Res. 15:352-363(2005).
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; AP006878; BAD86024.1; -; Genomic_DNA.
DR   RefSeq; WP_011250786.1; NC_006624.1.
DR   AlphaFoldDB; Q5JEL5; -.
DR   SMR; Q5JEL5; -.
DR   STRING; 69014.TK1835; -.
DR   MEROPS; C15.001; -.
DR   EnsemblBacteria; BAD86024; BAD86024; TK1835.
DR   GeneID; 3234369; -.
DR   KEGG; tko:TK1835; -.
DR   PATRIC; fig|69014.16.peg.1792; -.
DR   eggNOG; arCOG05850; Archaea.
DR   HOGENOM; CLU_043960_4_0_2; -.
DR   InParanoid; Q5JEL5; -.
DR   OMA; KLAYNHK; -.
DR   OrthoDB; 97570at2157; -.
DR   PhylomeDB; Q5JEL5; -.
DR   Proteomes; UP000000536; 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..206
FT                   /note="Pyrrolidone-carboxylate peptidase"
FT                   /id="PRO_0000184757"
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   206 AA;  22398 MW;  77471B5D6442498B CRC64;
     MKVLVTGFEP FGGEEINPSW EAVKGLPNEI EGADIIKFQL PVTFSGVREI LPRLIVKERP
     DAVILTGQAG GRPNITVERV AINVMDSTMP DNEGYKPEDE PVFEGAPAAY FATIPVKAIV
     KALREAKIPA AVSNTAGTYV CNAAMFTALH TIEVSGMTTK AGFIHVPFSH EQALDKPRPS
     MALETIRKGL EIAIKMVFED LTREGY