2GKZ:
reference: Functional conformations of the L11-ribosomal RNA complex revealed by correlative analysis of cryo-EM and molecular dynamics simulations., Li W, Sengupta J, Rath BK, Frank J, RNA. 2006 Jul;12(7):1240-53. Epub 2006 May 8. PMID: 16682558

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