2IC9:
reference: The Coiled-coil Domain Structure of the Sin Nombre Virus Nucleocapsid Protein., Boudko SP, Kuhn RJ, Rossmann MG, J Mol Biol. 2007 Mar 9;366(5):1538-44. Epub 2006 Dec 23. PMID: 17222867

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