4LQW:
reference: HIV-1 capsid undergoes coupled binding and isomerization by the nuclear pore protein NUP358., Bichel K, Price AJ, Schaller T, Towers GJ, Freund SM, James LC, Retrovirology. 2013 Jul 31;10(1):81. doi: 10.1186/1742-4690-10-81. PMID: 23902822

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