ID   GPX4_PINPS              Reviewed;          17 AA.
AC   P81087;
DT   15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT   15-JUL-1998, sequence version 1.
DT   25-MAY-2022, entry version 67.
DE   RecName: Full=Glutathione peroxidase homolog;
DE            EC=1.11.1.9;
DE   AltName: Full=Water stress-responsive protein 8/9;
DE   Flags: Fragment;
OS   Pinus pinaster (Maritime pine).
OC   Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC   Spermatophyta; Pinopsida; Pinidae; Conifers I; Pinales; Pinaceae; Pinus;
OC   Pinus subgen. Pinus.
OX   NCBI_TaxID=71647;
RN   [1]
RP   PROTEIN SEQUENCE.
RC   TISSUE=Needle;
RX   PubMed=9747804; DOI=10.1023/a:1006006132120;
RA   Costa P., Bahrman N., Frigerio J.-M., Kremer A., Plomion C.;
RT   "Water-deficit-responsive proteins in maritime pine.";
RL   Plant Mol. Biol. 38:587-596(1998).
RN   [2]
RP   PROTEIN SEQUENCE.
RC   TISSUE=Needle;
RX   PubMed=10344291;
RX   DOI=10.1002/(sici)1522-2683(19990101)20:4/5<1098::aid-elps1098>3.0.co;2-z;
RA   Costa P., Pionneau C., Bauw G., Dubos C., Bahrman N., Kremer A.,
RA   Frigerio J.-M., Plomion C.;
RT   "Separation and characterization of needle and xylem maritime pine
RT   proteins.";
RL   Electrophoresis 20:1098-1108(1999).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2 glutathione + H2O2 = glutathione disulfide + 2 H2O;
CC         Xref=Rhea:RHEA:16833, ChEBI:CHEBI:15377, ChEBI:CHEBI:16240,
CC         ChEBI:CHEBI:57925, ChEBI:CHEBI:58297; EC=1.11.1.9;
CC   -!- INDUCTION: By water stress.
CC   -!- MISCELLANEOUS: On the 2D-gel the determined pI of this protein is: 5.6
CC       to 6.7, its MW is: 20 to 23 kDa.
CC   -!- SIMILARITY: Belongs to the glutathione peroxidase family.
CC       {ECO:0000305}.
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DR   AlphaFoldDB; P81087; -.
DR   PeroxiBase; 3739; PpGPx06.
DR   GO; GO:0004602; F:glutathione peroxidase activity; IEA:UniProtKB-EC.
DR   GO; GO:0006979; P:response to oxidative stress; IEA:InterPro.
DR   InterPro; IPR000889; Glutathione_peroxidase.
DR   InterPro; IPR029760; GPX_CS.
DR   Pfam; PF00255; GSHPx; 1.
DR   PROSITE; PS00763; GLUTATHIONE_PEROXID_2; 1.
DR   PROSITE; PS51355; GLUTATHIONE_PEROXID_3; 1.
PE   1: Evidence at protein level;
KW   Direct protein sequencing; Oxidoreductase; Peroxidase; Stress response.
FT   CHAIN           <1..>17
FT                   /note="Glutathione peroxidase homolog"
FT                   /id="PRO_0000066634"
FT   NON_TER         1
FT   NON_TER         17
SQ   SEQUENCE   17 AA;  1943 MW;  4D245E9B657868C1 CRC64;
     YKDQGLEILA FPCNQFG