Abstract
Moderate concentrations of the alcohol 2,2,2-trifluoroethanol (TFE) cause the coupled unfolding and dissociation into subunits of the homotetrameric potassium channel KcsA, in a process that is partially irreversible when the protein is solubilized in plain dodecyl â-D-maltoside (DDM) micelles [Barrera et al. (2005) Biochemistry 44, 14344-52]. Here we report that
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