New Publication: Energetics of Multi-Ion Conduction Pathways in Potassium Ion Channels Philip Fowler, 31st October 2013 0 shares Can we predict the conductance of a potassium ion channel from an experimental structure? In this paper we examine the kinetic barriers experienced by potassium ions (and waters) as they move through the narrowest part of two different potassium ion channels. We examine the reproducibility of our results and test the sensitivity of the approach to changes in the method. We conclude that we are currently unable to accurately calculate the kinetic barriers to conduction for potassium channels and that other channels (such as sodium channels) may be more amenable to this approach. This article is published in the Journal of Chemical Theory and Computation and is free to download (open access). It carries out the preparatory work necessary for a second paper on how potassium ions and water molecules move through the selectivity filter of a voltage-gated potassium ion channel. Share this:Twitter Related publication research
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