5A8L:
reference: Structure of a human translation termination complex., Matheisl S, Berninghausen O, Becker T, Beckmann R, Nucleic Acids Res. 2015 Oct 15;43(18):8615-26. doi: 10.1093/nar/gkv909. Epub 2015, Sep 17. PMID: 26384426

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