Journal
BIOCHIMICA ET BIOPHYSICA ACTA-BIOENERGETICS
Volume 1827, Issue 8-9, Pages 1020-1030Publisher
ELSEVIER
DOI: 10.1016/j.bbabio.2013.01.013
Keywords
Photosystem II; Substrate water binding; Mechanism of water oxidation; Water oxidizing complex (WOC); Oxygen evolving complex (OEC); Mn4CaO5 cluster
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Funding
- Vetenskapsradet, Energimyndigheten
- Strong Research Environment Solar Fuels (Umea University)
- Artificial Leaf Project Umea (K&A Wallenberg foundation)
- Kempe foundation
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This brief article aims at presenting a concise summary of all experimental findings regarding substrate water-binding to the Mn4CaO5 cluster in photosystem II. Mass spectrometric and spectroscopic results are interpreted in light of recent structural information of the water oxidizing complex obtained by X-ray crystallography, spectroscopy and theoretical modeling. Within this framework current proposals for the mechanism of photosynthetic water-oxidation are evaluated. This article is part of a Special Issue entitled: Metals in Bioenergetics and Biomimetics Systems. (C) 2013 Elsevier B.V. All rights reserved.
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