Cytochrome P450 functions as the monooxygenase. P450s are involved in physiologically important processes including steroid metabolism, drug deactivation, procarcinogen activation, fatty acid metabolism, xenobiotic detoxification and wildly distributed in animal, plant and low eukaryotic organism.
细胞色素P450具有加单氧酶的作用，并能参与机体解毒、甾体激素的合成、脂肪酸代谢等重要的生理反应，并广泛分布于动物、植物和低等真核生物中。