4EN2:
reference: Structural basis of evasion of cellular adaptive immunity by HIV-1 Nef., Jia X, Singh R, Homann S, Yang H, Guatelli J, Xiong Y, Nat Struct Mol Biol. 2012 Jun 17;19(7):701-6. doi: 10.1038/nsmb.2328. PMID: 22705789

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