On the nature of the primary light-induced events in bacteriorhodopsin: ultrafast spectroscopy of native and C13=C14 locked pigments

Article Abstract:

Analogous fluorescent states were discovered to be generated in native and locked pigments. This was known through the use of near infrared spectroscopy. Findings have indicated that the primary dynamic process in early light-induced events in bacteriorhodopsin do not involve the C13=C14 torsional coordinate and that other chromophore and protein coordinates must be involved in the very early branching from the excited state to the reactive and nonreactive pathways.

Visual pigments

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Excitation spectrum of the N intermediate in the photocycle of bacteriorhodopsin

Article Abstract:

A study of the absorption spectrum of N intermediate that affects the proton uptake during bacteriorhodopsin photocycle is discussed. Results indicate that Q is photochemically formed from N.

Japan, Protons

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