2YIB:
reference: The N-terminus of the RNA polymerase from infectious pancreatic necrosis virus is the determinant of genome attachment., Graham SC, Sarin LP, Bahar MW, Myers RA, Stuart DI, Bamford DH, Grimes JM, PLoS Pathog. 2011 Jun;7(6):e1002085. Epub 2011 Jun 23. PMID: 21731487

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