Abstract
Transmembrane proton transport driven by light-dependent bacteriorhodopsin (BR) has been investigated theoretically. A general expression for the current-voltage characteristic of bacteriorhodopsin has been derived. A relationship has been established between the parameters of the structure of BR and the current-voltage characteristic. The best fit between theory and experiment was observed when the distance between the Schiff base and periplasmatic side of the membrane was supposed to be equal to the length of a chain containing 3–5 hydrogen bonds. The efficiency of proton transfer is found to increase with decreasing distance. The experiments which should be done to verify the validity of the developed theoretical approach are proposed.
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© 1991 Springer Science+Business Media Dordrecht
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Gurija, G.T., Krasnov, Y.K., Chamorovsky, S.K. (1991). Current-Voltage Characteristics of the Bacteriorhodopsin. In: Lazarev, P.I. (eds) Molecular Electronics. Topics in Molecular Organization and Engineering, vol 7. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-3392-0_6
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DOI: https://doi.org/10.1007/978-94-011-3392-0_6
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