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ESR, ENDOR and TRIPLE resonance studies of the primary donor radical cation P 960 +• in the photosynthetic bacterium Rhodopseudomonas viridis

Lendzian, F. ; Lubitz, W. ; Scheer, H. ; Hoff, A.J. ; Plato, M. ; Tränkle, E. ; Möbius, K.

Chemical Physics Letters, 1988, Vol.148(5), pp.377-385 [Peer Reviewed Journal]

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  • Title:
    ESR, ENDOR and TRIPLE resonance studies of the primary donor radical cation P 960 +• in the photosynthetic bacterium Rhodopseudomonas viridis
  • Author: Lendzian, F. ; Lubitz, W. ; Scheer, H. ; Hoff, A.J. ; Plato, M. ; Tränkle, E. ; Möbius, K.
  • Description: The light-induced radical cation of the primary electron donor P 960 +• in photosynthetic reaction centers from Rhodopseudomonas viridis has been investigated by ESR, ENDOR and TRIPLE techniques. Both the comparison with the cation radical of monomeric bacteriochlorophyll b (BChl b ) and with molecular-orbital calculations performed on P 960 +• using the results of an X-ray structure analysis, consistently show an asymmetric distribution of the unpaired electron over the two BChl b molecules which constitute P 960 +• . The possible relevance of this result for the primary electron transfer step in the reaction center is briefly discussed.
  • Is Part Of: Chemical Physics Letters, 1988, Vol.148(5), pp.377-385
  • Identifier: ISSN: 0009-2614 ; DOI: 10.1016/0009-2614(88)87191-4
  • Subjects: Chemistry
  • Language: English

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