cDNA cloning of mouse and human cholesterol 25-hydroxylases, polytopic membrane proteins that synthesize a potent oxysterol regulator of lipid metabolism.

Lund EG, Kerr TA, Sakai J, Li WP, Russell DW.J. Biol. Chem. 1998 Dec 18;273(51):34316-27. doi: 10.1074/jbc.273.51.34316