6WPL:
reference: Unexpected Differences Between Two Closely Related Bacterial P450 Camphor Monooxygenases., Murarka VC, Batabyal D, Amaya JA, Sevrioukova I, Poulos TL, Biochemistry. 2020 Jun 17. doi: 10.1021/acs.biochem.0c00366. PMID: 32551522

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