5A8H:
reference: Broadly Neutralizing Antibody 8ANC195 Recognizes Closed and Open States of HIV-1 Env., Scharf L, Wang H, Gao H, Chen S, McDowall AW, Bjorkman PJ, Cell. 2015 Sep 10;162(6):1379-90. doi: 10.1016/j.cell.2015.08.035. PMID: 26359989

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