Structure of Photosystem I

Suggestions on the docking sites for plastocyanin, ferredoxin and the coordination of P700

Petra Fromme, Wolf Dieter Schubert, Norbert Krauß

Research output: Contribution to journalArticle

76 Citations (Scopus)

Abstract

Photosystem I of Synechococcus elongatus was crystallized showing maximal diffraction to 4 Å resolution (Witt et al. (1988) Ber. Bunsenges. Phys. Chem. 92, 1503-1506). The crystal structure has been determined at a resolution of 6 Å (Krauß et al. (1993) Nature 361, 326-331). Based on this structure, docking sites for plastocyanin and ferredoxin are proposed. The arrangement of helices is analysed in terms of hydrophobicity plots and homology to the reaction center of purple bacteria. A possible coordination of the primary donor P700 by the helices in subunits A and B is suggested based on the relative three-dimensional arrangement of the helices.

Original languageEnglish
Pages (from-to)99-105
Number of pages7
JournalBiochimica et Biophysica Acta - Bioenergetics
Volume1187
Issue number2
DOIs
Publication statusPublished - Aug 30 1994

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Plastocyanin
Synechococcus
Photosystem I Protein Complex
Proteobacteria
Ferredoxins
Hydrophobicity
Hydrophobic and Hydrophilic Interactions
Diffraction
Crystal structure

Keywords

  • Crystal
  • Ferredoxin
  • Photosynthesis
  • Photosystem I
  • Plastocyanin
  • X-ray structure

ASJC Scopus subject areas

  • Biophysics

Cite this

Structure of Photosystem I : Suggestions on the docking sites for plastocyanin, ferredoxin and the coordination of P700. / Fromme, Petra; Schubert, Wolf Dieter; Krauß, Norbert.

In: Biochimica et Biophysica Acta - Bioenergetics, Vol. 1187, No. 2, 30.08.1994, p. 99-105.

Research output: Contribution to journalArticle

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