| 1VFX: reference: KIF1A alternately uses two loops to bind microtubules., Nitta R, Kikkawa M, Okada Y, Hirokawa N, Science 2004 Jul 30;305(5684):678-83. PMID: 15286375 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).