4JZZ:
reference: Structural Basis for Highly Effective HIV-1 Neutralization by CD4-Mimetic Miniproteins Revealed by 1.5 A Cocrystal Structure of gp120 and M48U1., Acharya P, Luongo TS, Louder MK, McKee K, Yang Y, Do Kwon Y, Mascola JR, Kessler P, Martin L, Kwong PD, Structure. 2013 May 21. pii: S0969-2126(13)00127-5. doi:, 10.1016/j.str.2013.04.015. PMID: 23707685

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