Use of voltage clamp fluorimetry in understanding potassium channel gating: a review of Shaker fluorescence data.

Abstract excerpt

Voltage clamp fluorimetry (VCF) utilizes fluorescent probes that covalently bind to cysteine residues introduced into proteins and emit light as a function of their environment. Measurement of this emitted light during membrane depolarization reveals changes in the emission level as the environment of the labelled residue changes. This allows for the correlation of channel gating events with movement of specific...

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