6BVF:
reference: Hepatitis B virus core protein allosteric modulators can distort and disrupt intact capsids., Schlicksup CJ, Wang JC, Francis S, Venkatakrishnan B, Turner WW, VanNieuwenhze M, Zlotnick A, Elife. 2018 Jan 29;7. pii: 31473. doi: 10.7554/eLife.31473. PMID: 29377794

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