3L9X:
reference: Mechanism of ligand-gated potassium efflux in bacterial pathogens., Roosild TP, Castronovo S, Healy J, Miller S, Pliotas C, Rasmussen T, Bartlett W, Conway SJ, Booth IR, Proc Natl Acad Sci U S A. 2010 Nov 1. PMID: 21041667

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