| 3J3X: reference: Cryo-EM model validation using independent map reconstructions., Dimaio F, Zhang J, Chiu W, Baker D, Protein Sci. 2013 Jun;22(6):865-8. doi: 10.1002/pro.2267. PMID: 23592445 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).