1XB2:
reference: Crystal structure of the bovine mitochondrial elongation factor Tu.Ts complex., Jeppesen MG, Navratil T, Spremulli LL, Nyborg J, J Biol Chem 2005 Feb 11;280(6):5071-81. Epub 2004 Nov 22. PMID: 15557323

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