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Lipids in and around photosynthetic reaction centres

Biochemical Society Transactions, ISSN: 0300-5127, Vol: 33, Issue: 5, Page: 924-930
2005
  • 10
    Citations
  • 0
    Usage
  • 16
    Captures
  • 0
    Mentions
  • 39
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    10
    • Citation Indexes
      10
  • Captures
    16
  • Social Media
    39
    • Shares, Likes & Comments
      39
      • Facebook
        39

Article Description

Reaction centres are membrane-embedded pigment-protein complexes that transduce the energy of sunlight into a biologically useful form. The most heavily studied reaction centres are the PS-I (Photosystem I) and PS-II complexes from oxygenic phototrophs, and the reaction centre from purple photosynthetic bacteria. A great deal is known about the compositions and structures of these reaction centres, and the mechanism of light-activated transmembrane electron transfer, but less is known about how they interact with other components of the photosynthetic membrane, including the membrane lipids. X-ray crystallography has provided high-resolution structures for PS-I and the purple bacterial reaction centre, and revealed binding sites for a number of lipids, either embedded in the protein interior or attached to the protein surface. These lipids play a variety of roles, including the binding of cofactors and the provision of structural support. The challenges of modelling surface-associated electron density features such as lipids, detergents, small amphiphiles and ions are discussed. ©2005 Biochemical Society.

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