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The mechanism of color tuning in the rhodopsin family of proteins has been studied by comparing the optical properties of the light-driven proton pump bacteriorhodopsin (bR) and the light detector sensory rhodopsin II (sRII). Despite a high structural similarity, the maximal absorption is blue-shifted from 568 nm in bR to 497 nm in sRII. The molecular(More)
  • Prasad Phatak, Jan S Frähmcke, +6 authors Marcus Elstner
  • 2009
Bacteriorhodopsin is a proton-pumping membrane protein found in the plasma membrane of the archaeon Halobacterium salinarium. Light-induced isomerization of the retinal chromophore from all-trans to 13-cis leads to a sequence of five conformation-coupled proton transfer steps and the net transport of one proton from the cytoplasmic to the extracellular side(More)
The Division of Molecular Biophysics I examines molecular and genomic structure problems with the help of bio-physical and computer scientific methods and develops computer simulation methods for their modelling on the genomic, molecular and electronic levels. The German EMBnet node-GENIUSnet-is a biocom-puting facility for German scientists providing(More)
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