2QA4:
reference: Structure of the base of the L7/L12 stalk of the Haloarcula marismortui large ribosomal subunit: analysis of L11 movements., Kavran JM, Steitz TA, J Mol Biol. 2007 Aug 24;371(4):1047-59. Epub 2007 Jun 4. PMID: 17599351

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