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. 1979 Dec;76(12):6351-5.
doi: 10.1073/pnas.76.12.6351.

Functional reconstitution of photosynthetic reaction centers in planar lipid bilayers

M Schönfeld  1 , M Montal, G Feher
Affiliations

Functional reconstitution of photosynthetic reaction centers in planar lipid bilayers

M Schönfeld et al. Proc Natl Acad Sci U S A. 1979 Dec.

Abstract

Planar lipid bilayers containing reaction centers from Rhodopseudomonas sphaeroides R-26 were formed by apposing two reaction center-lipid monolayers formed from a reaction center-lipid complex in hexane. Secondary donors (cytochrome c) and acceptors (ubiquinone-0) were added on opposite sides of the membrane. Upon illumination, this system generated transient and steady-state voltages and currents. The wavelength dependence of the photoresponse matched the absorption spectrum of reaction centers. A simple model based on the transfer of charges across the membrane that explains the salient features of the photoresponse is presented.

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