5KYO:
reference: X-ray crystal structure of cytochrome P450 monooxygenase CYP101J2 from Sphingobium yanoikuyae strain B2., Unterweger B, Drinkwater N, Johanesen P, Lyras D, Dumsday GJ, McGowan S, Proteins. 2016 Dec 9. doi: 10.1002/prot.25227. PMID: 27936485

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