Target
Human CYP3A4 / Cytochrome P450 3A4
Synonyms
CYP3A4 | Cyp3a3 | CYPIIIA3 | CYPIIIA4 | Cytochrome P450 3A3 | Cytochrome P450 3A4 | CP33 | CP34 | CYP3A | Cytochrome P450 NF-25 | HLP | NF-25 | p450C3 | Cytochrome P450 HLp | Cytochrome P450-PCN1 | Glucocorticoid-inducible P450 | p450-III, steroid inducible | p450PCN1
Reactivity
Human
(tested or 100% immunogen sequence identity)
Immunogen
Recombinant Human Cytochrome P450 3A4 protein (259-441AA)
Specificity
Cytochromes P450 are a group of heme-thiolate monooxygenases. In liver microsomes, this enzyme is involved in an NADPH-dependent electron transport pathway. It performs a variety of oxidation reactions (e.g. caffeine 8-oxidation, omeprazole sulphoxidation, midazolam 1'-hydroxylation and midazolam 4-hydroxylation) of structurally unrelated compounds, including steroids, fatty acids, and xenobiotics. Acts as a 1,8-cineole 2-exo-monooxygenase. The enzyme also hydroxylates etoposide (PubMed:11159812). Catalyzes 4-beta-hydroxylation of cholesterol. May catalyze 25-hydroxylation of cholesterol in vitro (PubMed:21576599).