6N6Q:
reference: On the occurrence of cytochrome P450 in viruses., Lamb DC, Follmer AH, Goldstone JV, Nelson DR, Warrilow AG, Price CL, True MY, Kelly SL, Poulos TL, Stegeman JJ, Proc Natl Acad Sci U S A. 2019 Jun 5. pii: 1901080116. doi:, 10.1073/pnas.1901080116. PMID: 31167942

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