label: 1-alpha,25-dihydroxyvitamin D3 24-hydroxylase activity
label_lc: 1-alpha,25-dihydroxyvitamin d3 24-hydroxylase activity
description: "Catalysis of the hydroxylation of C-24 of 1-alpha,25-hydroxycholecalciferol (25-hydroxyvitamin D3; calcitriol)."