label: calcitriol + 2 reduced [adrenodoxin] + O2 + 2 H(+) <=> 1alpha,23S,25-trihydroxycholecalciferol + 2 oxidized [adrenodoxin] + H2O
label_lc: calcitriol + 2 reduced [adrenodoxin] + o2 + 2 h(+) <=> 1alpha,23s,25-trihydroxycholecalciferol + 2 oxidized [adrenodoxin] + h2o