label: 7alpha-hydroxycholesterol + reduced [NADPH--hemoprotein reductase] + O2 => (24S)-7alpha-dihydroxycholesterol + oxidized [NADPH--hemoprotein reductase] + H2O + H(+)
label_lc: 7alpha-hydroxycholesterol + reduced [nadph--hemoprotein reductase] + o2 => (24s)-7alpha-dihydroxycholesterol + oxidized [nadph--hemoprotein reductase] + h2o + h(+)