Catalysis of the reaction: 2 glutathione + hydrogen peroxide = oxidized glutathione + 2 H2O
1. EC 1.11.1.92. MetaCyc GLUTATHIONE-PEROXIDASE-RXN3. Reactome: R-HSA-2161791 "15S-HpETE is reduced to 15S-HETE by GPX1/2/4"
4. Reactome: R-HSA-2161946 "5S-HpETE is reduced to 5S-HETE by GPX1/2/4"
5. Reactome: R-HSA-2161959 "12R-HpETE is reduced to 12R-HETE by GPX1/2/4"
6. Reactome: R-HSA-2161999 "12S-HpETE is reduced to 12S-HETE by GPX1/2/4"
7. Reactome: R-HSA-3323013 "GPX1 catalyzes 2 glutathione, reduced + H2O2 => glutathione, oxidized + 2 H2O"
8. Reactome: R-HSA-3341277 "GPX2 catalyzes 2 glutathione, reduced + H2O2 => glutathione, oxidized + 2 H2O"
9. Reactome: R-HSA-3341397 "GPX3 catalyzes 2 glutathione, reduced + H2O2 => glutathione, oxidized + 2 H2O"
10. Reactome: R-HSA-3343700 "PRDX6:GSTP1 catalyzes 2 glutathione, reduced + H2O2 => glutathione, oxidized + 2 H2O"
11. Reactome: R-HSA-6799695 "GPX5,6 reduce H2O2 to H2O"
12. Reactome: R-HSA-71676 "2 glutathione, reduced + H2O2 => glutathione, oxidized + 2 H2O"
13. RHEA: 16833