label: 25-hydroxy-24-oxocalciol + 2 oxidized [adrenodoxin] + 2 H2O => secalciferol + 2 reduced [adrenodoxin] + O2 + 2 H(+)
label_lc: 25-hydroxy-24-oxocalciol + 2 oxidized [adrenodoxin] + 2 h2o => secalciferol + 2 reduced [adrenodoxin] + o2 + 2 h(+)