4DKV:
reference: Binding mode characterization of NBD series CD4-mimetic HIV-1 entry inhibitors by X-ray structure and resistance study., Curreli F, Kwon YD, Zhang H, Yang Y, Scacalossi D, Kwong PD, Debnath AK, Antimicrob Agents Chemother. 2014 Sep;58(9):5478-91. doi: 10.1128/AAC.03339-14., Epub 2014 Jul 7. PMID: 25001301

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