label: 4beta-hydroxycholesterol + 2 reduced [adrenodoxin] + O2 + 2 H(+) <=> (25R)-4beta,26-dihydroxycholesterol + 2 oxidized [adrenodoxin] + H2O
label_lc: 4beta-hydroxycholesterol + 2 reduced [adrenodoxin] + o2 + 2 h(+) <=> (25r)-4beta,26-dihydroxycholesterol + 2 oxidized [adrenodoxin] + h2o