| 1NA3: reference: Design of stable alpha-helical arrays from an idealized TPR motif., Main ER, Xiong Y, Cocco MJ, D'Andrea L, Regan L, Structure (Camb) 2003 May;11(5):497-508. PMID: 12737816 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).