Coupling between charge movement and pore opening in voltage dependent potassium channels.

Abstract excerpt

Ionic and gating currents from Shaker K+ channels were characterized with the cut-open oocyte voltage clamp (COVG) technique. Experiments were performed in normally conducting channels and in channels with the W434F mutation which completely abolished ion conduction without affecting the voltage dependence of gating charge. Subtracted and unsubtracted gating currents with the COVG technique, and gating currents...

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