| 4V5X: Dna reference: Cryo-EM structure of a 3D DNA-origami object., Bai XC, Martin TG, Scheres SH, Dietz H, Proc Natl Acad Sci U S A. 2012 Nov 19. PMID: 23169645 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).