An enzyme catalyzing the oxidation of 2 moles of glutathione in the presence of hydrogen peroxide to yield oxidized glutathione and water. EC 1.11.1.9. (mesh:D005979)
| Synonym | Reference | Specificity |
| glutathione peroxidase | Exact |
| Identifier | Name | Relation |
| HGNC:4555 | GPX3 | isa |
| HGNC:4557 | GPX5 | isa |
| HGNC:4556 | GPX4 | isa |
| HGNC:33100 | GPX8 | isa |
| HGNC:4558 | GPX6 | isa |
| HGNC:4559 | GPX7 | isa |
| HGNC:4553 | GPX1 | isa |
| HGNC:4554 | GPX2 | isa |