2XEA:
reference: 4.6 A Cryo-EM reconstruction of Tobacco Mosaic Virus from images recorded at 300 keV on a 4kx4k CCD camera., Clare DK, Orlova EV, J Struct Biol. 2010 Jun 14. PMID: 20558300

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