2J0D:
reference: Structural basis for ligand promiscuity in cytochrome P450 3A4., Ekroos M, Sjogren T, Proc Natl Acad Sci U S A. 2006 Sep 12;103(37):13682-7. Epub 2006 Sep 5. PMID: 16954191

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).