Cholest-4-en-3-one 26-monooxygenase (EC 1.14.13.141, CYP125, CYP125A1, cholest-4-en-3-one 27-monooxygenase) is an enzyme with systematic name cholest-4-en-3-one,NADH:oxygen oxidoreductase (26-hydroxylating).
[1][2][3][4] This enzyme catalyses the following chemical reaction Cholest-4-en-3-one 26-monooxygenase is a heme thiolate (P450) enzyme.