peroxidase activity Catalysis of the reaction: donor + hydrogen peroxide = oxidized donor + 2 H2O. EC:1.11.1.7 GO:0004601 GO:0016685 GO:0016686 GO:0016687 GO:0016693 KEGG:R03532 MPO MetaCyc:PEROXID-RXN RHEA:23637 Reactome:REACT_100373 Reactome:REACT_101046 Reactome:REACT_101589 Reactome:REACT_102144 Reactome:REACT_104442 Reactome:REACT_105725 Reactome:REACT_106670 Reactome:REACT_108020 Reactome:REACT_108229 Reactome:REACT_111983 Reactome:REACT_112213 Reactome:REACT_112249 Reactome:REACT_113235 Reactome:REACT_113904 Reactome:REACT_113988 Reactome:REACT_114100 Reactome:REACT_114351 Reactome:REACT_114796 Reactome:REACT_115058 Reactome:REACT_15360 Reactome:REACT_15430 Reactome:REACT_15445 Reactome:REACT_15455 Reactome:REACT_15539 Reactome:REACT_28086 Reactome:REACT_28372 Reactome:REACT_29881 Reactome:REACT_30736 Reactome:REACT_30826 Reactome:REACT_31807 Reactome:REACT_32140 Reactome:REACT_32854 Reactome:REACT_33827 Reactome:REACT_33837 Reactome:REACT_76985 Reactome:REACT_78273 Reactome:REACT_78937 Reactome:REACT_79084 Reactome:REACT_79114 Reactome:REACT_810 Reactome:REACT_81922 Reactome:REACT_82000 Reactome:REACT_85332 Reactome:REACT_85339 Reactome:REACT_85899 Reactome:REACT_86613 Reactome:REACT_87489 Reactome:REACT_87731 Reactome:REACT_88313 Reactome:REACT_90277 Reactome:REACT_90987 Reactome:REACT_91636 Reactome:REACT_91853 Reactome:REACT_92128 Reactome:REACT_94963 Reactome:REACT_96008 Reactome:REACT_97146 Reactome:REACT_97248 Reactome:REACT_97539 Reactome:REACT_98848 bacterial catalase-peroxidase activity donor:hydrogen-peroxide oxidoreductase activity eosinophil peroxidase activity extensin peroxidase guaiacol peroxidase heme peroxidase horseradish peroxidase (HRP) japanese radish peroxidase lactoperoxidase activity molecular_function myeloperoxidase activity oxyperoxidase activity peroxidase reaction protoheme peroxidase pyrocatechol peroxidase scopoletin peroxidase secretory plant peroxidase activity thiocyanate peroxidase verdoperoxidase