1PHE:
reference: Crystal structures of metyrapone- and phenylimidazole-inhibited complexes of cytochrome P-450cam., Poulos TL, Howard AJ, Biochemistry 1987 Dec 15;26(25):8165-74. PMID: 3442650

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