| 2I3V: reference: Measurement of Conformational Changes accompanying Desensitization in an Ionotropic Glutamate Receptor., Armstrong N, Jasti J, Beich-Frandsen M, Gouaux E, Cell. 2006 Oct 6;127(1):85-97. PMID: 17018279 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).