3I56:
reference: Structures of triacetyloleandomycin and mycalamide A bind to the large ribosomal subunit of Haloarcula marismortui., Gurel G, Blaha G, Steitz TA, Moore PB, Antimicrob Agents Chemother. 2009 Dec;53(12):5010-4. Epub 2009 Sep 8. PMID: 19738021

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