label: 7alpha-hydroxycholest-4-en-3-one 12alpha-hydroxylase activity
label_lc: 7alpha-hydroxycholest-4-en-3-one 12alpha-hydroxylase activity
description: "Catalysis of the reaction: 7alpha-hydroxycholest-4-en-3-one + H+ + NADPH + O2 = 7alpha,12alpha-dihydroxycholest-4-en-3-one + H2O + NADP+."