Three-dimensional structure of cyanobaoterial photosystem I at 2.5 Å resolution

Patrick Jordan, Petra Fromme, Horst Tobias Witt, Olaf Klukas, Wolfram Saenger, Norbert Krauß

Research output: Contribution to journalArticle

1744 Citations (Scopus)

Abstract

Life on Earth depends on photosynthesis, the conversion of light energy from the Sun to chemical energy. In plants, green algae and cyanobacteria, this process is driven by the cooperation of two large protein-cofactor complexes, photosystems I and II, which are located in the thylakoid photosynthetic membranes. The crystal structure of photosystem I from the thermophilic cyanobacterium Synechococcus elongatus described here provides a picture at atomic detail of 12 protein subunits and 127 cofactors comprising 96 chlorophylls, 2 phylloquinones, 3 Fe4S4 clusters, 22 carotenoids, 4 lipids, a putative Ca2+ ion and 201 water molecules. The structural information on the proteins and cofactors and their interactions provides a basis for understanding how the high efficiency of photosystem I in light capturing and electron transfer is achieved.

Original languageEnglish
Pages (from-to)909-917
Number of pages9
JournalNature
Volume411
Issue number6840
DOIs
Publication statusPublished - Jun 21 2001

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Photosystem I Protein Complex
Cyanobacteria
Vitamin K 1
Synechococcus
Light
Chlorophyta
Thylakoids
Photosystem II Protein Complex
Protein Subunits
Photosynthesis
Solar System
Carotenoids
Chlorophyll
Electrons
Ions
Lipids
Water
Proteins

ASJC Scopus subject areas

  • General

Cite this

Jordan, P., Fromme, P., Witt, H. T., Klukas, O., Saenger, W., & Krauß, N. (2001). Three-dimensional structure of cyanobaoterial photosystem I at 2.5 Å resolution. Nature, 411(6840), 909-917. https://doi.org/10.1038/35082000

Three-dimensional structure of cyanobaoterial photosystem I at 2.5 Å resolution. / Jordan, Patrick; Fromme, Petra; Witt, Horst Tobias; Klukas, Olaf; Saenger, Wolfram; Krauß, Norbert.

In: Nature, Vol. 411, No. 6840, 21.06.2001, p. 909-917.

Research output: Contribution to journalArticle

Jordan, P, Fromme, P, Witt, HT, Klukas, O, Saenger, W & Krauß, N 2001, 'Three-dimensional structure of cyanobaoterial photosystem I at 2.5 Å resolution', Nature, vol. 411, no. 6840, pp. 909-917. https://doi.org/10.1038/35082000
Jordan, Patrick ; Fromme, Petra ; Witt, Horst Tobias ; Klukas, Olaf ; Saenger, Wolfram ; Krauß, Norbert. / Three-dimensional structure of cyanobaoterial photosystem I at 2.5 Å resolution. In: Nature. 2001 ; Vol. 411, No. 6840. pp. 909-917.
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