Functional electric field changes in photoactivated proteins revealed by ultrafast Stark spectroscopy of the Trp residues

Ultrafast transient absorption spectroscopy of wild-type bacteriorhodopsin (WT bR) and 2 tryptophan mutants (W86F and W182F) is performed with visible light excitation (pump) and UV probe. The aim is to investigate the photoinduced change in the charge distribution with 50-fs time resolution by prob...

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Main Authors: Léonard, Jérémie, Portuondo-Campa, Erwin, Cannizzo, Andrea, van Mourik, Frank, van der Zwan, Gert, Tittor, Jörg, Haacke, Stefan, Chergui, Majed
Format: Artigo
Sprog:Inglês
Udgivet: National Academy of Sciences 2009
Fag:
Physical Sciences
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC2683101/
https://ncbi.nlm.nih.gov/pubmed/19416877
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1073/pnas.0812877106
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