Superoxide dismutase: a contaminant of bovine catalase.
Some commercial samples of bovine catalase contain superoxide dismutase activity. Therefore the inhibition of a reaction on the addition of a catalase preparation need not necessarily mean that H(2)O(2) is responsible for the reaction.
D000818:Animals; D002374:Catalase / Q000032:analysis*; D002417:Cattle; D003574:Cytochrome c Group / Q000378:metabolism; D006861:Hydrogen Peroxide; D013482:Superoxide Dismutase; D013778:Tetrazolium Salts
D003574:Cytochrome c Group; D013778:Tetrazolium Salts; D006861:Hydrogen Peroxide; D002374:Catalase; D013482:Superoxide Dismutase