Tags: Enzyme.
In enzymology a cholesterol 7alpha-monooxygenase (EC 1.14.13.17) is an enzyme that catalyzes the chemical reactioncholesterol + NADPH + H+ + O2 7alpha-hydroxycholesterol + NADP+ + H2OThe 4 substrates of this enzyme are cholesterol NADPH H+ and O2 whereas its 3 products are 7-alpha-hydroxycholesterol NADP+ and H2O.This enzyme belongs to the family of oxidoreductases specifically those acting on paired donors with O2 as oxidant and incorporation or reduction of oxygen.