4AEX:
reference: Two crucial early steps in RNA synthesis by the hepatitis C virus polymerase involve a dual role of residue 405., Scrima N, Caillet-Saguy C, Ventura M, Harrus D, Astier-Gin T, Bressanelli S, J Virol. 2012 Jul;86(13):7107-17. Epub 2012 Apr 24. PMID: 22532694

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