ID   PCP_THEAB               Reviewed;         205 AA.
AC   B7IEE2;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   02-SEP-2026, entry version 93.
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=THA_1947;
OS   Thermosipho africanus (strain TCF52B).
OC   Bacteria; Thermotogati; Thermotogota; Thermotogae; Thermotogales;
OC   Fervidobacteriaceae; Thermosipho.
OX   NCBI_TaxID=484019;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TCF52B;
RX   PubMed=19124572; DOI=10.1128/jb.01448-08;
RA   Nesboe C.L., Bapteste E., Curtis B., Dahle H., Lopez P., Macleod D.,
RA   Dlutek M., Bowman S., Zhaxybayeva O., Birkeland N.-K., Doolittle W.F.;
RT   "The genome of Thermosipho africanus TCF52B: lateral genetic connections to
RT   the Firmicutes and Archaea.";
RL   J. Bacteriol. 191:1974-1978(2009).
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; CP001185; ACJ76369.1; -; Genomic_DNA.
DR   RefSeq; WP_012580495.1; NC_011653.1.
DR   AlphaFoldDB; B7IEE2; -.
DR   SMR; B7IEE2; -.
DR   STRING; 484019.THA_1947; -.
DR   MEROPS; C15.001; -.
DR   KEGG; taf:THA_1947; -.
DR   eggNOG; COG2039; Bacteria.
DR   HOGENOM; CLU_043960_4_0_0; -.
DR   OrthoDB; 9779738at2; -.
DR   Proteomes; UP000002453; 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:InterPro.
DR   CDD; cd00501; Peptidase_C15; 1.
DR   FunFam; 3.40.630.20:FF:000001; Pyrrolidone-carboxylate peptidase; 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; NF009676; PRK13197.1; 1.
DR   NCBIfam; TIGR00504; pyro_pdase; 1.
DR   PANTHER; PTHR23402; PROTEASE FAMILY C15 PYROGLUTAMYL-PEPTIDASE I-RELATED; 1.
DR   PANTHER; PTHR23402:SF1; PYROGLUTAMYL-PEPTIDASE I; 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; Reference proteome; Thiol protease.
FT   CHAIN           1..205
FT                   /note="Pyrrolidone-carboxylate peptidase"
FT                   /id="PRO_1000124004"
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   205 AA;  22818 MW;  3D6E8BC7E2F10FD2 CRC64;
     MKILITGFEP FGGEVVNPSF EAVKHLPDSI EKAQIVKAAI HTVFRKSIEV LEELIVKEKP
     DIVICVGQAG GRAEITIERV AINIDDAKNP DNEGNTPKDE VIFEDGENAY FSNLPIKKMV
     EEIKNCKIPA SISNSAGTYV CNHLMYGLLY LINKKYKNMK GGFIHVPYLP QQVLNKKNVP
     SMSLDNIVQA LVCSIKAILK EYNDE
//