2GV3:
reference: Translocation of a tRNA with an extended anticodon through the ribosome., Phelps SS, Gaudin C, Yoshizawa S, Benitez C, Fourmy D, Joseph S, J Mol Biol. 2006 Jul 14;360(3):610-22. Epub 2006 May 22. PMID: 16787653

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