The structural basis of light‐harvesting in purple bacteria

A typical purple bacterial photosynthetic unit consists of two types of light‐harvesting complex (LH1 and LH2) together with a reaction centre. This short review presents a description of the structure of the LH2 complex from Rhodopseudomonas acidophila, which has recently been improved to a resolut...

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Bibliographic Details
Published in:FEBS letters 2003-11, Vol.555 (1), p.35-39
Main Authors: Cogdell, Richard J, Isaacs, Neil W, Freer, Andrew A, Howard, Tina D, Gardiner, Alastair T, Prince, Steve M, Papiz, Miroslavr Z
Format: Article
Language:English
Subjects:
Bacterial photosynthesis
Bacterial Proteins - chemistry
Bacterial Proteins - radiation effects
Bacteriochlorophyll
Carotenoid
Light-harvesting
Light-Harvesting Protein Complexes - chemistry
Light-Harvesting Protein Complexes - radiation effects
Macromolecular Substances
Models, Molecular
Molecular Structure
Photobiology
Rhodopseudomonas
Rhodopseudomonas - chemistry
Rhodopseudomonas - radiation effects
Rhodopseudomonas acidophila
Spectrophotometry
Static Electricity
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Summary:A typical purple bacterial photosynthetic unit consists of two types of light‐harvesting complex (LH1 and LH2) together with a reaction centre. This short review presents a description of the structure of the LH2 complex from Rhodopseudomonas acidophila, which has recently been improved to a resolution of 2.0 Å [Papiz et al., J. Mol. Biol. 326 (2003) 1523–1538]. We show how this structure has helped to reveal the details of the various excitation energy transfer events in which it is involved.
ISSN:0014-5793
1873-3468
DOI:10.1016/S0014-5793(03)01102-5