Studies of the bacteriorhodopsin photocycle without the use of light: clues to proton transfer coupled reactions.

  • Janos K. Lanyi
  • Published 2007 in
    Journal of molecular microbiology and…


In the photochemical cycle of bacteriorhodopsin, the light-driven proton pump of halobacteria, only the first step, the isomerization of the all-trans retinal to 13-cis, is dependent on illumination. Because the steps that accomplish the translocation of a proton during the ensuing reaction sequence of intermediate states are thermal reactions, they have… (More)


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