2JTP:
reference: Programmed Ribosomal Frameshifting in SIV Is Induced by a Highly Structured RNA Stem-Loop., Marcheschi RJ, Staple DW, Butcher SE, J Mol Biol. 2007 Aug 22;. PMID: 17868691

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