2XI1:
reference: A Novel Dimer-Tetramer Transition Captured by the Crystal Structure of the HIV-1 Nef., Singh P, Yadav GP, Gupta S, Tripathi AK, Ramachandran R, Tripathi RK, PLoS One. 2011;6(11):e26629. Epub 2011 Nov 2. PMID: 22073177

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