2UXU:
reference: Crystal structures of multidrug binding protein TtgR in complex with antibiotics and plant antimicrobials., Alguel Y, Meng C, Teran W, Krell T, Ramos JL, Gallegos MT, Zhang X, J Mol Biol. 2007 Jun 8;369(3):829-40. Epub 2007 Mar 30. PMID: 17466326

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