| 3E86: reference: High-resolution structure of the open NaK channel., Alam A, Jiang Y, Nat Struct Mol Biol. 2009 Jan;16(1):30-4. Epub 2008 Dec 21. PMID: 19098917 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).