label: 24-hydroxycholesterol 7alpha-hydroxylase activity
label_lc: 24-hydroxycholesterol 7alpha-hydroxylase activity
description: "Catalysis of the reaction: (24S)-hydroxycholesterol + O2 + reduced [NADPH-hemoprotein reductase] = (24S)-7alpha-dihydroxycholesterol + H+ + H2O + oxidized [NADPH-hemoprotein reductase]."