DE-ORPHANIZATION OF CYTOCHROME P450 2R1: A MICROSOMAL VITAMIN D 25-HYDROXYLASE

David W. Russell or David J. Mangelsdorf Department of Molecular Genetics Department of Pharmacology UT Southwestern Medical Center UT Southwestern Medical Center 5323 Harry Hines Blvd. 5323 Harry Hines Blvd. Dallas, Texas 75390-9046 Dallas, Texas 75390-9046 Tel. 214 648-2007 Tel. 214 648-6394 Fax. 214 648-6899 E-Mail: Fax 214 648-5419 E-Mail: david.russell@utsouthwestern.edu davo.mango@utsouthwestern.edu