Detail Information for IndEnz0018001064
IED ID IndEnz0018001064
Enzyme Type ID peroxidase001064
Protein Name Phospholipid hydroperoxide glutathione peroxidase 1, chloroplastic
PHGPx
EC 1.11.1.12
Gene Name GPX1 At2g25080 F13D4.40
Organism Arabidopsis thaliana (Mouse-ear cress)
Taxonomic Lineage cellular organisms Eukaryota Viridiplantae Streptophyta Streptophytina Embryophyta Tracheophyta Euphyllophyta Spermatophyta Magnoliopsida Mesangiospermae eudicotyledons Gunneridae Pentapetalae rosids malvids Brassicales Brassicaceae Camelineae Arabidopsis Arabidopsis thaliana (Mouse-ear cress)
Enzyme Sequence MVSMTTSSSSYGTFSTVVNSSRPNSSATFLVPSLKFSTGISNFANLSNGFSLKSPINPGFLFKSRPFTVQARAAAEKTVHDFTVKDIDGKDVALNKFKGKVMLIVNVASRCGLTSSNYSELSHLYEKYKTQGFEILAFPCNQFGFQEPGSNSEIKQFACTRFKAEFPIFDKVDVNGPSTAPIYEFLKSNAGGFLGGLIKWNFEKFLIDKKGKVVERYPPTTSPFQIEKDIQKLLAA
Enzyme Length 236
Uniprot Accession Number P52032
Absorption
Active Site ACT_SITE 111; /evidence=ECO:0000250|UniProtKB:P36968
Activity Regulation
Binding Site
Calcium Binding
catalytic Activity CATALYTIC ACTIVITY: Reaction=a hydroperoxy polyunsaturated fatty acid + 2 glutathione = a hydroxy polyunsaturated fatty acid + glutathione disulfide + H2O; Xref=Rhea:RHEA:19057, ChEBI:CHEBI:15377, ChEBI:CHEBI:57925, ChEBI:CHEBI:58297, ChEBI:CHEBI:131871, ChEBI:CHEBI:134019; EC=1.11.1.12; Evidence={ECO:0000250|UniProtKB:P36968};
DNA Binding
EC Number 1.11.1.12
Enzyme Function FUNCTION: Protects cells and enzymes from oxidative damage, by catalyzing the reduction of hydrogen peroxide, lipid peroxides and organic hydroperoxide, by glutathione. {ECO:0000250|UniProtKB:O70325}.
Temperature Dependency
PH Dependency
Pathway
nucleotide Binding
Features Active site (1); Chain (1); Region (1); Sequence conflict (2); Transit peptide (1)
Keywords Chloroplast;Oxidoreductase;Peroxidase;Plastid;Reference proteome;Stress response;Transit peptide
Interact With
Induction INDUCTION: By salt stress, osmotic stress, metals and heat treatment. Up-regulated by abscisic acid (ABA) and auxin. {ECO:0000269|PubMed:14617062}.
Subcellular Location SUBCELLULAR LOCATION: Plastid, chloroplast {ECO:0000255}.
Modified Residue
Post Translational Modification
Signal Peptide
Structure 3D
Cross Reference PDB -
Mapped Pubmed ID 11027730; 12609038; 12766230; 12885779; 12913160; 12938931; 12953064; 14576160; 15028209; 15053760; 15322131; 15829605; 15890615; 16856986; 16913859; 17096689; 17823777; 18218973; 18230142; 18431481; 18493039; 18633119; 19363092; 20584316; 22339086; 23661340; 24470466; 27014325; 27247031; 27676073; 28102911; 28627464;
Motif
Gene Encoded By
Mass 26,016
Kinetics
Metal Binding
Rhea ID RHEA:19057
Cross Reference Brenda