5BSX:
reference: Treatment of norovirus particles with citrate., Koromyslova AD, White PA, Hansman GS, Virology. 2015 Aug 18;485:199-204. doi: 10.1016/j.virol.2015.07.009. PMID: 26295280

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