label: (1S)-1,25-dihydroxy-24-oxocalciol + 2 reduced [adrenodoxin] + O2 + 2 H(+) => (1S)-1,23,25-trihydroxy-24-oxocalciol + 2 oxidized [adrenodoxin] + H2O
label_lc: (1s)-1,25-dihydroxy-24-oxocalciol + 2 reduced [adrenodoxin] + o2 + 2 h(+) => (1s)-1,23,25-trihydroxy-24-oxocalciol + 2 oxidized [adrenodoxin] + h2o