Tags: Enzyme.
Catalase-peroxidase (EC 1.11.1.21 katG (gene)) is an enzyme with system name donor:hydrogen-peroxide oxidoreductase. This enzyme catalyses the following chemical reaction (1) donor + H2O2 oxidized donor + 2 H2O (2) 2 H2O2 O2 + 2 H2OThis enzyme is a strong catalase with H2O2 as donor which releases O2.