2GM0:
reference: NMR structure of the full-length linear dimer of stem-loop-1 RNA in the HIV-1 dimer initiation site., Ulyanov NB, Mujeeb A, Du Z, Tonelli M, Parslow TG, James TL, J Biol Chem. 2006 Apr 6;. PMID: 16603544

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