6GMF:
reference: Characterization and structure-guided engineering of the novel versatile terpene monooxygenase CYP109Q5 from Chondromyces apiculatus DSM436., Klenk JM, Dubiel P, Sharma M, Grogan G, Hauer B, Microb Biotechnol. 2019 Mar;12(2):377-391. doi: 10.1111/1751-7915.13354. Epub, 2018 Dec 27. PMID: 30592153

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