1SYZ:
reference: Dynamics in the U6 RNA intramolecular stem-loop: a base flipping conformational change., Reiter NJ, Blad H, Abildgaard F, Butcher SE, Biochemistry 2004 Nov 2;43(43):13739-47. PMID: 15504036

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