6Q98:
reference: How a circularized tmRNA moves through the ribosome., Rae CD, Gordiyenko Y, Ramakrishnan V, Science. 2019 Feb 15;363(6428):740-744. doi: 10.1126/science.aav9370. PMID: 30765567

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