* To whom correspondence should be addressed.
Received May 10, 2001; Revision received August 9, 2001
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.
KEY WORDS: bacteriorhodopsin, purple membranes, chromophore, electrogenesis, proton transport, proton transport groups, photocycle, intermediates L, M, N, O