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Requirements for different combinations of the extrinsic proteins in specific cyanobacterial Photosystem II mutants

Requirements for different combinations of the extrinsic proteins in specific cyanobacterial... The crystallographic data available for Photosystem II (PS II) in cyanobacteria has now provided complete structures for loop E from CP43 and CP47 as well as the extrinsic subunits PsbO, PsbU and PsbV. Protein interactions between these subunits are essential for stable water splitting and there is evidence that the binding of PsbU facilitates optimal energy transfer from the phycobilisome. Interactions between PsbO and CP47 may also play a role in dimer stabilization while loop E of CP43 contributes directly to the water-splitting reaction. Recent evidence also suggests that homologs of PsbP and PsbQ play key roles in cyanobacterial PS II, and under nutrient-deficient conditions PsbQ appears essential for photoautotrophic growth. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Photosynthesis Research Springer Journals

Requirements for different combinations of the extrinsic proteins in specific cyanobacterial Photosystem II mutants

Photosynthesis Research , Volume 84 (3) – Jan 18, 2005

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References (43)

Publisher
Springer Journals
Copyright
Copyright © 2005 by Springer
Subject
Life Sciences; Plant Physiology
ISSN
0166-8595
eISSN
1573-5079
DOI
10.1007/s11120-005-0748-4
pmid
16049786
Publisher site
See Article on Publisher Site

Abstract

The crystallographic data available for Photosystem II (PS II) in cyanobacteria has now provided complete structures for loop E from CP43 and CP47 as well as the extrinsic subunits PsbO, PsbU and PsbV. Protein interactions between these subunits are essential for stable water splitting and there is evidence that the binding of PsbU facilitates optimal energy transfer from the phycobilisome. Interactions between PsbO and CP47 may also play a role in dimer stabilization while loop E of CP43 contributes directly to the water-splitting reaction. Recent evidence also suggests that homologs of PsbP and PsbQ play key roles in cyanobacterial PS II, and under nutrient-deficient conditions PsbQ appears essential for photoautotrophic growth.

Journal

Photosynthesis ResearchSpringer Journals

Published: Jan 18, 2005

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