3ECH:
reference: The crystal structure of MexR from Pseudomonas aeruginosa in complex with its antirepressor ArmR., Wilke MS, Heller M, Creagh AL, Haynes CA, McIntosh LP, Poole K, Strynadka NC, Proc Natl Acad Sci U S A. 2008 Sep 30;105(39):14832-7. Epub 2008 Sep 23. PMID: 18812515

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