NMR studies of membrane proteins and peptides in novel amphiphilic mesophases

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Membrane proteins are the next frontier in structural biology. Our goal is the structural and mechanistic characterization of the proteins and peptides from platypus venom and a cardiac potassium ion channel, HERG, that has a particular role in the suppression of cardiac arrhythmias. To do this we will refine and develop methods using amphiphilic mesophases and micelles and state-of-the-art NMR spectroscopy. Electrophysiological analysis of ion channels and interactions with toxins will relate NMR structures to function. The NMR methodologies we develop will have broad applicability to membrane proteins in general.