1GDD:
reference: Tertiary and quaternary structural changes in Gi alpha 1 induced by GTP hydrolysis., Mixon MB, Lee E, Coleman DE, Berghuis AM, Gilman AG, Sprang SR, Science 1995 Nov 10;270(5238):954-60. PMID: 7481799

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