Photosynthesis: Photons to Protons

  • William A. Cramer
  • David B. Knaff
Part of the Springer Advanced Texts in Chemistry book series (SATC)

Abstract

Most of the chlorophyll or bacteriochlorophyll molecules in the photosynthetic organelle serve as an antenna for light gathering. Approximately one chlorophyll molecule out of 500, and one bacteriochlorophyll molecule out of 50–100, is connected to the electron transport chain through special reaction center (bacterio)chlorophylls that trap excitation energy because they can transfer electrons with high efficiency on a picosecond time scale from the excited state to an acceptor. The theory of light energy transfer is central to photosynthesis, and also important for topographical studies of distance mapping between sites in macromolecules labelled with fluorescent probes.

Keywords

Tyrosine Manganese Tryptophan NADH Histidine 

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Copyright information

© Springer-Verlag New York Inc. 1990

Authors and Affiliations

  • William A. Cramer
    • 1
  • David B. Knaff
    • 2
  1. 1.Department of Biological SciencesPurdue UniversityWest LafayetteUSA
  2. 2.Department of Chemistry and BiochemistryTexas Tech UniversityLubbockUSA

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