| 3QAK: reference: Structure of an agonist-bound human A2A adenosine receptor., Xu F, Wu H, Katritch V, Han GW, Jacobson KA, Gao ZG, Cherezov V, Stevens RC, Science. 2011 Apr 15;332(6027):322-7. Epub 2011 Mar 10. PMID: 21393508 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).