ID 1.14.13.13 DE Calcidiol 1-monooxygenase. AN 25-hydroxycholecalciferol 1-monooxygenase. AN 25-hydroxycholecalciferol-1-hydroxylase. AN 25-hydroxyvitamin D-1 alpha hydroxylase. AN 25-OHD-1 alpha-hydroxylase. CA Calcidiol + NADPH + O(2) = calcitriol + NADP(+) + H(2)O. CF Heme-thiolate. PR PROSITE; PDOC00081; DR O15528, CP27B_HUMAN; O35084, CP27B_MOUSE; O35132, CP27B_RAT ; //