5VWL:
reference: Solution Structure and Membrane Interaction of the Cytoplasmic Tail of HIV-1 gp41 Protein., Murphy RE, Samal AB, Vlach J, Saad JS, Structure. 2017 Oct 13. pii: S0969-2126(17)30301-5. doi:, 10.1016/j.str.2017.09.010. PMID: 29056482

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