Nonlinear voltage dependence of the light-driven proton pump current of bacteriorhodopsin.

Abstract

The light-driven proton pump current generated by bacteriorhodopsin reconstituted in asymmetric planar bilayer membranes was investigated. The current-voltage dependence was found to be nonlinear and can be approximated by an exponential at least below +50 mV. The current changed e-fold when the membrane potential was changed by 80 mV. The voltage… (More)

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@article{Braun1988NonlinearVD, title={Nonlinear voltage dependence of the light-driven proton pump current of bacteriorhodopsin.}, author={Dieter Braun and Norbert A. Dencher and Alfred Fahr and Manfred Lindau and Maarten P. Heyn}, journal={Biophysical journal}, year={1988}, volume={53 4}, pages={617-21} }