normal: O,+4e+4H+HO+ATP abnormal c2+e→02+e+2H→)H202teH→ OH+e+H+→H20 Cyt P 50 o insert CHOh o+2H+、H2O 0Onormal: O2+4e+4H+→H2O+ATP abnormal :O2+e→ O·- 2 +e +2H+→H2 02+e+H+→ OH·+e+H+→H2 0 Cyt P450 O insert C—H C—OH O +2H + H2O O ‾∙ 2 H2O2