| 5U09: reference: High-resolution crystal structure of the human CB1 cannabinoid receptor., Shao Z, Yin J, Chapman K, Grzemska M, Clark L, Wang J, Rosenbaum DM, Nature. 2016 Nov 16. doi: 10.1038/nature20613. PMID: 27851727 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).