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Start Over Descriptor "Water -- Ion exchange process" Journal biochemistry
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1. Proton/hydrogen transfer affects the S-state-dependent microsecond phases of P680+ reduction during water splitting

Author

Schilstra, Maria J., Rappaport, Fabrice, Nugent, Jonathan H.A., Barnett, Christopher J., and Klug, David R.

Subjects
Oxidation-reduction reaction -- Analysis, Cations -- Analysis, Water -- Ion exchange process, Protons -- Analysis, Biological sciences, Chemistry
Abstract

A study was conducted on a possible coupling between P680+ reduction and hydrogen transfer with emphasis on the effects of H2O/D2O exchange on the P680+ reduction kinetics in the nano- and microsecond domains. The findings indicate that at least two processes play a role in P680+ reduction by Yz. The slower processes in all or some of the S-state transitions involve proton/hydrogen motion and occur in the microsecond time domain.

Published
1998

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