Detail Information for IndEnz0018001140
IED ID IndEnz0018001140
Enzyme Type ID peroxidase001140
Protein Name Glutathione peroxidase 2
GPx-2
GSHPx-2
EC 1.11.1.9
Glutathione peroxidase-gastrointestinal
GPx-GI
GSHPx-GI
Gene Name GPX2
Organism Pongo pygmaeus (Bornean orangutan)
Taxonomic Lineage cellular organisms Eukaryota Opisthokonta Metazoa Eumetazoa Bilateria Deuterostomia Chordata Craniata Vertebrata Gnathostomata (jawed vertebrates) Teleostomi Euteleostomi Sarcopterygii Dipnotetrapodomorpha Tetrapoda Amniota Mammalia Theria Eutheria Boreoeutheria Euarchontoglires Primates Haplorrhini Simiiformes Catarrhini Hominoidea (apes) Hominidae (great apes) Ponginae Pongo Pongo pygmaeus (Bornean orangutan)
Enzyme Sequence MAFIAKSFYDLSAISLDGEKVDFNTFRGRAVLIENVASLUGTTTRDFTQLNELQCRFPRRLVVLGFPCNQFGHQENCQNEEILNSLKYVRPGSGYQPTFTLVQKCEVNGQNEHPVFAYLKDKLPYPYDDPFSLMTDPKLIIWSPVRRSDVAWNFEKFLIGPEGEPFRRYSRTFPTINIEPDIKRLLKVAI
Enzyme Length 190
Uniprot Accession Number Q4AEI0
Absorption
Active Site ACT_SITE 40; /evidence=ECO:0000250
Activity Regulation
Binding Site
Calcium Binding
catalytic Activity CATALYTIC ACTIVITY: Reaction=a hydroperoxide + 2 glutathione = an alcohol + glutathione disulfide + H2O; Xref=Rhea:RHEA:62632, ChEBI:CHEBI:15377, ChEBI:CHEBI:30879, ChEBI:CHEBI:35924, ChEBI:CHEBI:57925, ChEBI:CHEBI:58297; Evidence={ECO:0000250|UniProtKB:P18283};PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:62633; Evidence={ECO:0000250|UniProtKB:P18283}; CATALYTIC ACTIVITY: Reaction=2 glutathione + H2O2 = glutathione disulfide + 2 H2O; Xref=Rhea:RHEA:16833, ChEBI:CHEBI:15377, ChEBI:CHEBI:16240, ChEBI:CHEBI:57925, ChEBI:CHEBI:58297; EC=1.11.1.9; Evidence={ECO:0000250|UniProtKB:P18283};PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:16834; Evidence={ECO:0000250|UniProtKB:P18283}; CATALYTIC ACTIVITY: Reaction=2 glutathione + tert-butyl hydroperoxide = glutathione disulfide + H2O + tert-butanol; Xref=Rhea:RHEA:69412, ChEBI:CHEBI:15377, ChEBI:CHEBI:45895, ChEBI:CHEBI:57925, ChEBI:CHEBI:58297, ChEBI:CHEBI:64090; Evidence={ECO:0000250|UniProtKB:P18283};PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:69413; Evidence={ECO:0000250|UniProtKB:P18283}; CATALYTIC ACTIVITY: Reaction=cumene hydroperoxide + 2 glutathione = 2-phenylpropan-2-ol + glutathione disulfide + H2O; Xref=Rhea:RHEA:69651, ChEBI:CHEBI:15377, ChEBI:CHEBI:57925, ChEBI:CHEBI:58297, ChEBI:CHEBI:78673, ChEBI:CHEBI:131607; Evidence={ECO:0000250|UniProtKB:P18283};PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:69652; Evidence={ECO:0000250|UniProtKB:P18283};
DNA Binding
EC Number 1.11.1.9
Enzyme Function FUNCTION: Could play a major role in protecting mammals from the toxicity of ingested organic hydroperoxides. Tert-butyl hydroperoxide, cumene hydroperoxide and linoleic acid hydroperoxide but not phosphatidycholine hydroperoxide, can act as acceptors. {ECO:0000250|UniProtKB:P18283}.
Temperature Dependency
PH Dependency
Pathway
nucleotide Binding
Features Active site (1); Chain (1); Erroneous termination (1); Frameshift (1); Non-standard residue (1)
Keywords Cytoplasm;Oxidoreductase;Peroxidase;Selenocysteine
Interact With
Induction
Subcellular Location SUBCELLULAR LOCATION: Cytoplasm, cytosol {ECO:0000250|UniProtKB:P18283}.
Modified Residue
Post Translational Modification
Signal Peptide
Structure 3D
Cross Reference PDB -
Mapped Pubmed ID -
Motif
Gene Encoded By
Mass 21,984
Kinetics
Metal Binding
Rhea ID RHEA:62632; RHEA:62633; RHEA:16833; RHEA:16834; RHEA:69412; RHEA:69413; RHEA:69651; RHEA:69652
Cross Reference Brenda