4UOK:
reference: Locking and blocking the viral landscape of an alphavirus with neutralizing antibodies., Porta J, Jose J, Roehrig JT, Blair CD, Kuhn RJ, Rossmann MG, J Virol. 2014 Sep 1;88(17):9616-23. doi: 10.1128/JVI.01286-14. Epub 2014 Jun 11. PMID: 24920796

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).