2WFS:
reference: The structure of a biologically active influenza virus ribonucleoprotein complex., Coloma R, Valpuesta JM, Arranz R, Carrascosa JL, Ortin J, Martin-Benito J, PLoS Pathog. 2009 Jun;5(6):e1000491. Epub 2009 Jun 26. PMID: 19557158

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