label: (25R)-4beta,26-dihydroxycholesterol + 2 reduced [adrenodoxin] + O2 + 2 H(+) = (25R)-3beta,4beta-dihydroxycholest-5-en-26-al + 2 oxidized [adrenodoxin] + 2 H2O
label_lc: (25r)-4beta,26-dihydroxycholesterol + 2 reduced [adrenodoxin] + o2 + 2 h(+) = (25r)-3beta,4beta-dihydroxycholest-5-en-26-al + 2 oxidized [adrenodoxin] + 2 h2o