5NI1:
reference: Cryo-EM single particle analysis with the Volta phase plate., Danev R, Baumeister W, Elife. 2016 Mar 7;5. pii: e13046. doi: 10.7554/eLife.13046. PMID: 26949259

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