4UDV:
reference: Seeing tobacco mosaic virus through direct electron detectors., Fromm SA, Bharat TA, Jakobi AJ, Hagen WJ, Sachse C, J Struct Biol. 2014 Dec 17. pii: S1047-8477(14)00265-2. doi:, 10.1016/j.jsb.2014.12.002. PMID: 25528571

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