3IX8:
reference: Molecular basis for the recognition of structurally distinct autoinducer mimics by the Pseudomonas aeruginosa LasR quorum-sensing signaling receptor., Zou Y, Nair SK, Chem Biol. 2009 Sep 25;16(9):961-70. PMID: 19778724

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