ID   PCP_THEPX               Reviewed;         203 AA.
AC   B0K0D9;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   18-MAR-2008, 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=Teth514_1374;
OS   Thermoanaerobacter sp. (strain X514).
OC   Bacteria; Firmicutes; Clostridia; Thermoanaerobacterales;
OC   Thermoanaerobacteraceae; Thermoanaerobacter;
OC   unclassified Thermoanaerobacter.
OX   NCBI_TaxID=399726;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=X514;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Bruce D., Goodwin L., Saunders E., Brettin T.,
RA   Detter J.C., Han C., Schmutz J., Larimer F., Land M., Hauser L.,
RA   Kyrpides N., Kim E., Hemme C., Fields M.W., He Z., Zhou J., Richardson P.;
RT   "Complete sequence of Thermoanaerobacter sp. X514.";
RL   Submitted (JAN-2008) 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; CP000923; ABY92664.1; -; Genomic_DNA.
DR   RefSeq; WP_012268696.1; NC_010320.1.
DR   AlphaFoldDB; B0K0D9; -.
DR   SMR; B0K0D9; -.
DR   MEROPS; C15.001; -.
DR   EnsemblBacteria; ABY92664; ABY92664; Teth514_1374.
DR   KEGG; tex:Teth514_1374; -.
DR   HOGENOM; CLU_043960_4_0_9; -.
DR   OMA; KLAYNHK; -.
DR   Proteomes; UP000002155; 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; Thiol protease.
FT   CHAIN           1..203
FT                   /note="Pyrrolidone-carboxylate peptidase"
FT                   /id="PRO_1000124007"
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   203 AA;  22357 MW;  2E57519B137C5337 CRC64;
     MKILVTAFDP FGGENINPSY EVLKNLKDNI EGAEIIKIQV PTVFYLSVEK VIEKIKEVKP
     DAVLSIGQAG GRYDITVERI AINIDDARIP DNIGQQPIDT PIDPEGAPAY FATIPIKEIV
     EEIKKENIPA SISNTAGTFV CNHLMYGILN YVHKNGLNIK AGFIHIPYLP VQVLNKPYTP
     SMSLGDMVKA IETAIKVIAK KSR