5N4K:
reference: Structural characterization of HCoV-NL63 N-protein., Szelazek B, Kabala W, Kus K, Zdzalik M, Twarda-Clapa A, Golik P, Burmistrz M, Florek D, Wladyka B, Pyrc K, Dubin G, J Virol. 2017 Mar 22. pii: JVI.02503-16. doi: 10.1128/JVI.02503-16. PMID: 28331093

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