2QEK:
reference: Binding of Aminoglycoside Antibiotics to the Duplex Form of the HIV-1 Genomic RNA Dimerization Initiation Site., Freisz S, Lang K, Micura R, Dumas P, Ennifar E, Angew Chem Int Ed Engl. 2008 Apr 25;. PMID: 18435520

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