1OW9:
reference: NMR structure of the active conformation of the Varkud satellite ribozyme cleavage site., Hoffmann B, Mitchell GT, Gendron P, Major F, Andersen AA, Collins RA, Legault P, Proc Natl Acad Sci U S A 2003 Jun 10;100(12):7003-8. Epub 2003 Jun 2. PMID: 12782785

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