REVIEW: Photoelectrochemical Cycle of Bacteriorhodopsin

I. V. Kalaidzidis, A. D. Kaulen, A. N. Radionov, and L. V. Khitrina^*

Belozersky Institute of Physico-Chemical Biology, Lomonosov Moscow State University, Moscow, 119899 Russia; fax: (095) 939-3181; E-mail: innak@phtbio.genebee.msu.su, radionov_a@mail.ru, khitr@phtbio.genebee.msu.su

^* To whom correspondence should be addressed.

Received May 10, 2001; Revision received August 9, 2001

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The scheme of the bacteriorhodopsin photocycle associated with a transmembrane proton transfer and electrogenesis is considered. The role of conformational changes in the polypeptide chain during the proton transport is discussed.

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KEY WORDS: bacteriorhodopsin, purple membranes, chromophore, electrogenesis, proton transport, proton transport groups, photocycle, intermediates L, M, N, O

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