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KINETIC MODEL OF BACTERIORHODOPSIN PHOTOCYCLE: PATHWAY FROM M STATE TO bR
Author(s) -
CHERNAVSKII D. S.,
CHIZHOV I. V.,
LOZIER R. H.,
MURINA T. M.,
PROKHOROV A. M.,
ZUBOV B. V.
Publication year - 1989
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1989.tb08437.x
Subject(s) - bacteriorhodopsin , kinetic energy , chemistry , kinetics , photochemistry , physics , biochemistry , classical mechanics , membrane
A model of the last parts of the bacteriorhodopsin (bR) photocycle is proposed on the basis of experimental data for the kinetic behavior of the ‘O’ intermediate during a temperature pulse in distilled water suspension. The model includes the previously proposed (but not well characterized) intermediate ‘N’ between the ‘M’ and ‘O’ states of bR. This intermediate exists in fast temperature‐dependent quasistationary equilibrium with the red‐shifted intermediate ‘O’ and has a maximum of absorption close to the bR spectrum.