3DDK:
reference: Crystal structure of coxsackievirus B3 3Dpol highlights the functional importance of residue 5 in picornavirus polymerases., Campagnola G, Weygandt M, Scoggin K, Peersen O, J Virol. 2008 Oct;82(19):9458-64. Epub 2008 Jul 16. PMID: 18632862

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