Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY
Volume 104, Issue 1-2, Pages 111-117Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotobiol.2010.12.009
Keywords
Calcium-manganese oxide; Oxygen evolving complex; Structural and functional models; Photosynthesis; Photosystem II
Categories
Funding
- Institute for Advanced Studies in Basic Sciences (IASBS)
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The oxygen evolving complex in photosystem wII which induces the oxidation of water to dioxygen in plants, algae and certain bacteria contains a cluster of one calcium and four manganese ions. It serves as a model to split water by sunlight. Reports on the mechanism and structure of photosystem II provide a more detailed architecture of the oxygen evolving complex and the surrounding amino acids. One challenge in this field is the development of artificial model compounds to study oxygen evolution reaction outside the complicated environment of the enzyme. Calcium-manganese oxides as structural and functional models for the active site of photosystem II are explained and reviewed in this paper. Because of related structures of these calcium-manganese oxides and the catalytic centers of active site of the oxygen evolving complex of photosystem II, the study may help to understand more about mechanism of oxygen evolution by the oxygen evolving complex of photosystem II. (C) 2010 Elsevier B.V. All rights reserved.
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