3RAN:
reference: The structure of the Q69L mutant of GDP-Ran shows a major conformational change in the switch II loop that accounts for its failure to bind nuclear transport factor 2 (NTF2)., Stewart M, Kent HM, McCoy AJ, J Mol Biol 1998 Dec 18;284(5):1517-27. PMID: 9878368

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