Cytochrome P-450 CYP3A

Medical Dictionary -> Cytochrome P-450 CYP3A

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Cytochrome P-450 CYP3A

A cytochrome P-450 monooxygenase that is involved in an NADPH-dependent electron transport pathway by oxidizing a variety of structurally unrelated compounds, including STEROIDS; FATTY ACIDS; and XENOBIOTICS. This enzyme has clinical significance due to its ability to metabolize a diverse array of clinically important drugs such as CYCLOSPORINE; VERAPAMIL; and MIDAZOLAM. This enzyme also catalyzes the N-demethylation of ERYTHROMYCIN.