1ZBN:
reference: A single intermolecular contact mediates intramolecular stabilization of both RNA and protein., Calabro V, Daugherty MD, Frankel AD, Proc Natl Acad Sci U S A 2005 May 10;102(19):6849-54. Epub 2005 Apr 27. PMID: 15857951

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