1YQP:
reference: The role of Thr268 and Phe393 in cytochrome P450 BM3., Clark JP, Miles CS, Mowat CG, Walkinshaw MD, Reid GA, Daff SN, Chapman SK, J Inorg Biochem. 2006 Jan 3;. PMID: 16403573

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