3RLC:
reference: Crystal structure of the read-through domain from bacteriophage Qbeta A1 protein., Rumnieks J, Tars K, Protein Sci. 2011 Oct;20(10):1707-12. doi: 10.1002/pro.704. Epub 2011 Aug, 18. PMID: 21805520

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