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EPR-ENDOR characterization of (17O, 1H, 2H) water in manganese catalase and its relevance to the oxygen-evolving complex of photosystem II.

Abstract:

The synthesis of efficient water-oxidation catalysts demands insight into the only known, naturally occurring water-oxidation catalyst, the oxygen-evolving complex (OEC) of photosystem II (PSII). Understanding the water oxidation mechanism requires knowledge of where and when substrate water binds to the OEC. Mn catalase in its Mn(III)-Mn(IV) state is a protein model of the OEC's S(2) state. From (17)O-labeled water exchanged into the di-μ-oxo di-Mn(III,IV) coordination sphere of Mn catalase,...

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Publication status:
Published

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Publisher copy:
10.1021/ja203465y

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Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Inorganic Chemistry
Role:
Author
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Journal:
Journal of the American Chemical Society
Volume:
134
Issue:
3
Pages:
1504-1512
Publication date:
2012-01-05
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
URN:
uuid:ea2e1ee8-23d7-43cd-a3cc-669052b76e52
Source identifiers:
428057
Local pid:
pubs:428057

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