Structure of cyanobacterial Photosystem I

Ingo Grotjohann, Petra Fromme

Research output: Contribution to journalArticle

119 Citations (Scopus)

Abstract

Photosystem I is one of the most fascinating membrane protein complexes for which a structure has been determined. It functions as a bio-solar energy converter, catalyzing one of the first steps of oxygenic photosynthesis. It captures the light of the sun by means of a large antenna system, consisting of chlorophylls and carotenoids, and transfers the energy to the center of the complex, driving the transmembrane electron transfer from plastoquinone to ferredoxin. Cyanobacterial Photosystem I is a trimer consisting of 36 proteins to which 381 cofactors are non-covalently attached. This review discusses the complex function of Photosystem I based on the structure of the complex at 2.5 Å resolution as well as spectroscopic and biochemical data.

Original languageEnglish (US)
Pages (from-to)51-72
Number of pages22
JournalPhotosynthesis Research
Volume85
Issue number1
DOIs
StatePublished - Jul 2005

Fingerprint

Photosystem I Protein Complex
photosystem I
Plastoquinone
Solar Energy
Ferredoxins
ferredoxins
energy conversion
solar energy
Photosynthesis
Energy Transfer
Solar System
Carotenoids
Chlorophyll
energy transfer
membrane proteins
Sun
antennae
Solar energy
electron transfer
Membrane Proteins

Keywords

  • Antenna
  • Crystal structure
  • Electron transfer
  • Membrane protein
  • Photosynthesis
  • Photosystem I

ASJC Scopus subject areas

  • Plant Science

Cite this

Structure of cyanobacterial Photosystem I. / Grotjohann, Ingo; Fromme, Petra.

In: Photosynthesis Research, Vol. 85, No. 1, 07.2005, p. 51-72.

Research output: Contribution to journalArticle

Grotjohann, Ingo ; Fromme, Petra. / Structure of cyanobacterial Photosystem I. In: Photosynthesis Research. 2005 ; Vol. 85, No. 1. pp. 51-72.
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