Calcidiol

Calcidiol

25-hydroxycholecalciferol (a 3,25-diol);the first step in the biological conversion of vitamin D3 to the more active form, calcitriol; it is more potent than vitamin D3.

Synonym: 25-hydroxycholecalciferol, calcifediol.

calcidiol 1a-hydroxylase, 25-hydroxycholecalciferol 1a-hydroxylase, the monooxygenase that forms calcitriol from calcidiol using O2 and NADPH; a deficiency in this enzyme can result in features of a vitamin d deficiency.

Retrieved from "http://www.biology-online.org/bodict/index.php?title=Calcidiol&oldid=64058"
First | Previous (Calcicosis) | Next (Calcifediol) | Last
Please contribute to this project, if you have more information about this term feel free to edit this page.