The pK of Schiff base deprotonation in bacteriorhodopsin

Benjamin Ehrenberg; Aaron Lewis

doi:10.1016/0006-291X(78)90307-8

The pK of Schiff base deprotonation in bacteriorhodopsin

Benjamin Ehrenberg^*, Aaron Lewis

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Kinetic resonance Raman spectroscopy as a function of pH has been utilized to determine the pK of Schiff base deprotonation during the bacteriorhodopsin photochemical cycle. It is shown that the pK of Schiff base deprotonation is between 9.9 and 10.3, microseconds after light absorption and is >12 before photon initiation of photochemical cycling associated with proton pumping.

Original language	English
Pages (from-to)	1154-1159
Number of pages	6
Journal	Biochemical and Biophysical Research Communications
Volume	82
Issue number	4
DOIs	https://doi.org/10.1016/0006-291X(78)90307-8
State	Published - 29 Jun 1978
Externally published	Yes

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title = "The pK of Schiff base deprotonation in bacteriorhodopsin",

abstract = "Kinetic resonance Raman spectroscopy as a function of pH has been utilized to determine the pK of Schiff base deprotonation during the bacteriorhodopsin photochemical cycle. It is shown that the pK of Schiff base deprotonation is between 9.9 and 10.3, microseconds after light absorption and is >12 before photon initiation of photochemical cycling associated with proton pumping.",

author = "Benjamin Ehrenberg and Aaron Lewis",

year = "1978",

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AU - Lewis, Aaron

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N2 - Kinetic resonance Raman spectroscopy as a function of pH has been utilized to determine the pK of Schiff base deprotonation during the bacteriorhodopsin photochemical cycle. It is shown that the pK of Schiff base deprotonation is between 9.9 and 10.3, microseconds after light absorption and is >12 before photon initiation of photochemical cycling associated with proton pumping.

AB - Kinetic resonance Raman spectroscopy as a function of pH has been utilized to determine the pK of Schiff base deprotonation during the bacteriorhodopsin photochemical cycle. It is shown that the pK of Schiff base deprotonation is between 9.9 and 10.3, microseconds after light absorption and is >12 before photon initiation of photochemical cycling associated with proton pumping.

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The pK of Schiff base deprotonation in bacteriorhodopsin

Abstract

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