1EFG:
reference: The crystal structure of elongation factor G complexed with GDP, at 2.7 A resolution., Czworkowski J, Wang J, Steitz TA, Moore PB, EMBO J 1994 Aug 15;13(16):3661-8. PMID: 8070396

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