| 1Y99: reference: The crystal structure of the dimerization initiation site of genomic HIV-1 RNA reveals an extended duplex with two adenine bulges., Ennifar E, Yusupov M, Walter P, Marquet R, Ehresmann B, Ehresmann C, Dumas P, Structure Fold Des 1999 Nov 15;7(11):1439-49. PMID: 10574792 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).