Electronic and vibronic coupling of the special pair of bacteriochlorophylls in photosynthetic reaction centers from wild-type and mutant strains of Rhodobacter Sphaeroides

E. T. Johnson, F. Müh, E. Nabedryk, Joann Williams, James Allen, W. Lubitz, J. Breton, W. W. Parson

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Abstract

The electronic and vibronic coupling of a special pair of Bacteriochlorophylls (Bchls) in photosynthetic reaction centres (RC) were presented. Vibrational spectroscopy was used to explore the Bchls and the surrounding protein in the RC. The mutation of Arg L135 and Arg L164 altered the spin distribution in the Bchls pair. The analysis showed that the mutation affected the vibrational spectra of the Bchls pair.

Original languageEnglish (US)
Pages (from-to)11859-11869
Number of pages11
JournalJournal of Physical Chemistry B
Volume106
Issue number45
DOIs
StatePublished - Nov 14 2002

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry

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