Structure of cyanobacterial Photosystem I

Ingo Grotjohann; Petra Fromme

doi:10.1007/s11120-005-1440-4

Structure of cyanobacterial Photosystem I

Ingo Grotjohann, Petra Fromme

Research output: Contribution to journal › Review article › peer-review

143 Scopus citations

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 language	English (US)
Pages (from-to)	51-72
Number of pages	22
Journal	Photosynthesis research
Volume	85
Issue number	1
DOIs	https://doi.org/10.1007/s11120-005-1440-4
State	Published - Jul 2005

Keywords

Antenna
Crystal structure
Electron transfer
Membrane protein
Photosynthesis
Photosystem I

ASJC Scopus subject areas

Biochemistry
Plant Science
Cell Biology

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10.1007/s11120-005-1440-4

Cite this

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title = "Structure of cyanobacterial Photosystem I",

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 {\AA} resolution as well as spectroscopic and biochemical data.",

keywords = "Antenna, Crystal structure, Electron transfer, Membrane protein, Photosynthesis, Photosystem I",

author = "Ingo Grotjohann and Petra Fromme",

note = "Funding Information: This material is based upon work supported by the National Science Foundation under Grant No. MCB-0417142 and by the United States Department of Agriculture under Grant No. 2003-35318-13573.",

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AU - Grotjohann, Ingo

AU - Fromme, Petra

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N2 - 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.

AB - 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.

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KW - Crystal structure

KW - Electron transfer

KW - Membrane protein

KW - Photosynthesis

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Structure of cyanobacterial Photosystem I

Abstract

Keywords

ASJC Scopus subject areas

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