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Electron Transfer in Rhodopseudomonas Viridis Reaction Centers with Prereduced Bacteriopheophytin BL

  • V. A. Shuvalov
  • A. Ya. Shkuropatov
  • A. V. Klevanik
Chapter
Part of the Nato ASI Series book series (NSSA, volume 237)

Abstract

Bacterial reaction centers (RCs) contain three protein subunits (L, M and H), four bacteriochlorophylls (BChl), two bacteriopheophytins (H), two quinones (Q) and one atom of Fe [1]. Accordingly to spectral properties [2] and X-ray analysis [3] two BChls form a dimer, primary electron donor P. Two other BChls (B) and two H form two transmembrane cofactor chains located in L and M protein subunits and terminated by two Qs: P-BL-HL-QA and P-BM-HM-QB [3]. Only LA-chain is photochemically active. The excited state P* within 3–4 ps at 293K transfers an electron to (BLHL) acceptor complex [4–6]. An electron is further transfered to QA within 200 ps.

Keywords

Excitation Energy Transfer Primary Electron Donor Bacterial Reaction Center Recombination Luminescence Neutral Acceptor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1992

Authors and Affiliations

  • V. A. Shuvalov
    • 1
  • A. Ya. Shkuropatov
    • 1
  • A. V. Klevanik
    • 1
  1. 1.Institute of Soil Science and PhotosynthesisRussian Academy of SciencesRussia

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