ID   PCP_THEON               Reviewed;         200 AA.
AC   B6YUJ5;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-JAN-2009, sequence version 1.
DT   27-MAR-2024, entry version 87.
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=TON_1690;
OS   Thermococcus onnurineus (strain NA1).
OC   Archaea; Euryarchaeota; Thermococci; Thermococcales; Thermococcaceae;
OC   Thermococcus.
OX   NCBI_TaxID=523850;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NA1;
RX   PubMed=18790866; DOI=10.1128/jb.00746-08;
RA   Lee H.S., Kang S.G., Bae S.S., Lim J.K., Cho Y., Kim Y.J., Jeon J.H.,
RA   Cha S.-S., Kwon K.K., Kim H.-T., Park C.-J., Lee H.-W., Kim S.I., Chun J.,
RA   Colwell R.R., Kim S.-J., Lee J.-H.;
RT   "The complete genome sequence of Thermococcus onnurineus NA1 reveals a
RT   mixed heterotrophic and carboxydotrophic metabolism.";
RL   J. Bacteriol. 190:7491-7499(2008).
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; CP000855; ACJ17180.1; -; Genomic_DNA.
DR   RefSeq; WP_012572652.1; NC_011529.1.
DR   AlphaFoldDB; B6YUJ5; -.
DR   SMR; B6YUJ5; -.
DR   STRING; 523850.TON_1690; -.
DR   MEROPS; C15.001; -.
DR   GeneID; 7017359; -.
DR   KEGG; ton:TON_1690; -.
DR   PATRIC; fig|523850.10.peg.1703; -.
DR   eggNOG; arCOG05850; Archaea.
DR   HOGENOM; CLU_043960_4_0_2; -.
DR   OrthoDB; 39672at2157; -.
DR   Proteomes; UP000002727; 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..200
FT                   /note="Pyrrolidone-carboxylate peptidase"
FT                   /id="PRO_1000124005"
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   200 AA;  21840 MW;  E43E4703FB4A9DB1 CRC64;
     MKVLITGFEP FGGEEINPSW EAVRRLPDEI AGAELIKRQL PVTFRGVREL LPRLIVETKP
     DLVILTGQAG GRPNITVERV AINVMDSTMP DNEGYTPEDE PIFEGAPDAY FATLPIKAIV
     KALREAKIPA AVSNTAGTYV CNTAMYTVLH TIAVAGMETK AGFIHVPFIH EQALDKPRPS
     MALETVVKAY EVIIKTSLKA
//