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Structure, Function, and Regulation of Plant Photosystem I

  • Nathan Nelson
  • Adam Ben-Shem
Part of the Advances in Photosynthesis and Respiration book series (AIPH, volume 24)

Abstract

The recently determined structure of plant photosystem I (PS I) provides the first relatively high-resolution structural model of a supercomplex containing a reaction center and its peripheral antenna. The peripheral antenna of PS I (LHCI) is composed of four gene products (Lhca1–4) that are unique among the chlorophyll a/b binding proteins in their pronounced long-wavelength absorbance and their assembly into dimers. We describe some of the structural features responsible for the unique properties of LHCI and its interaction with the reaction center. The possible architecture of the docking sites for plastocyanin, ferredoxin, ferredoxin:NADP+ reductase, and LHCII are discussed.

Keywords

Transmembrane Helix Detergent Concentration Electron Crystallography Peripheral Antenna Plant Photosystem 
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 2006

Authors and Affiliations

  • Nathan Nelson
    • 1
  • Adam Ben-Shem
    • 1
  1. 1.Department of Biochemistry, The George S. Wise Faculty of Life SciencesTel Aviv UniversityTel AvivIsrael

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