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Replacement of leucine-93 by alanine or threonine slows down the decay of the N and O intermediates in the photocycle of bacteriorhodopsin: implications for proton uptake and 13-cis-retinal----all-trans-retinal reisomerization.

We report that the replacement of Leu-93 in bacteriorhodopsin by Ala (L93A) or Thr (L93T) slows down the photocycle by approximately 100-fold relative to wild-type bacteriorhodopsin. Time-resolved visible absorption spectroscopy and resonance Raman experiments, respectively, show the presence of lon...

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Detalhes bibliográficos
Main Authors: Subramaniam, S, Greenhalgh, D A, Rath, P, Rothschild, K J, Khorana, H G
Formato: Artigo
Idioma:Inglês
Publicado em: 1991
Assuntos:
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC52191/
https://ncbi.nlm.nih.gov/pubmed/1650486
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