| 1GIA: reference: Structures of active conformations of Gi alpha 1 and the mechanism of GTP hydrolysis., Coleman DE, Berghuis AM, Lee E, Linder ME, Gilman AG, Sprang SR, Science 1994 Sep 2;265(5177):1405-12. PMID: 8073283 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).