1YHQ:
reference: Structures of MLSBK antibiotics bound to mutated large ribosomal subunits provide a structural explanation for resistance., Tu D, Blaha G, Moore PB, Steitz TA, Cell. 2005 Apr 22;121(2):257-70. PMID: 15851032

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