5I4T:
reference: Crystal structure of an HIV assembly and maturation switch., Wagner JM, Zadrozny KK, Chrustowicz J, Purdy MD, Yeager M, Ganser-Pornillos BK, Pornillos O, Elife. 2016 Jul 14;5. pii: e17063. doi: 10.7554/eLife.17063. PMID: 27416583

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