A model for the water-oxidation and recovery systems of the oxygen-evolving complex

Takeshi Yatabe; Mitsuhiro Kikkawa; Takahiro Matsumoto; Hidetaka Nakai; Kenji Kaneko; Seiji Ogo

doi:10.1039/c3dt52846d

A model for the water-oxidation and recovery systems of the oxygen-evolving complex

Takeshi Yatabe, Mitsuhiro Kikkawa, Takahiro Matsumoto, Hidetaka Nakai, Kenji Kaneko, Seiji Ogo

Chemistry and Biochemistry

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We propose a model for the water-oxidation and recovery systems of the oxygen-evolving complex (OEC) of the photosystem II (PSII) enzyme. The whole system is constructed from two catalytic cycles, conducted as a tandem reaction: (i) a water-oxidation loop uses cerium(iv) ammonium nitrate as an oxidant to activate a dimanganese complex for water-oxidation and thereby liberate a molecule of O₂ and (ii) a recovery loop begins with photoinhibition of the dimanganese complex but then uses O₂ to reactivate the manganese centre. The net result is a catalytic water-oxidation catalyst that can use self-generated O₂ for recovery.

Original language	English
Pages (from-to)	3063-3071
Number of pages	9
Journal	Dalton Transactions
Volume	43
Issue number	8
DOIs	https://doi.org/10.1039/c3dt52846d
Publication status	Published - Feb 28 2014

All Science Journal Classification (ASJC) codes

Inorganic Chemistry

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10.1039/c3dt52846d

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abstract = "We propose a model for the water-oxidation and recovery systems of the oxygen-evolving complex (OEC) of the photosystem II (PSII) enzyme. The whole system is constructed from two catalytic cycles, conducted as a tandem reaction: (i) a water-oxidation loop uses cerium(iv) ammonium nitrate as an oxidant to activate a dimanganese complex for water-oxidation and thereby liberate a molecule of O2 and (ii) a recovery loop begins with photoinhibition of the dimanganese complex but then uses O2 to reactivate the manganese centre. The net result is a catalytic water-oxidation catalyst that can use self-generated O2 for recovery.",

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T1 - A model for the water-oxidation and recovery systems of the oxygen-evolving complex

AU - Yatabe, Takeshi

AU - Kikkawa, Mitsuhiro

AU - Matsumoto, Takahiro

AU - Nakai, Hidetaka

AU - Kaneko, Kenji

AU - Ogo, Seiji

PY - 2014/2/28

Y1 - 2014/2/28

N2 - We propose a model for the water-oxidation and recovery systems of the oxygen-evolving complex (OEC) of the photosystem II (PSII) enzyme. The whole system is constructed from two catalytic cycles, conducted as a tandem reaction: (i) a water-oxidation loop uses cerium(iv) ammonium nitrate as an oxidant to activate a dimanganese complex for water-oxidation and thereby liberate a molecule of O2 and (ii) a recovery loop begins with photoinhibition of the dimanganese complex but then uses O2 to reactivate the manganese centre. The net result is a catalytic water-oxidation catalyst that can use self-generated O2 for recovery.

AB - We propose a model for the water-oxidation and recovery systems of the oxygen-evolving complex (OEC) of the photosystem II (PSII) enzyme. The whole system is constructed from two catalytic cycles, conducted as a tandem reaction: (i) a water-oxidation loop uses cerium(iv) ammonium nitrate as an oxidant to activate a dimanganese complex for water-oxidation and thereby liberate a molecule of O2 and (ii) a recovery loop begins with photoinhibition of the dimanganese complex but then uses O2 to reactivate the manganese centre. The net result is a catalytic water-oxidation catalyst that can use self-generated O2 for recovery.

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A model for the water-oxidation and recovery systems of the oxygen-evolving complex

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