Thermodynamic, Kinetic and Mechanistic Aspects of Photosynthetic Water Oxidation. Renger, G., Messinger, J., & Hanssum, B. In Current Research in Photosynthesis: Proceedings of the VIIIth International Conference on Photosynthesis Stockholm, Sweden, August 6–11, 1989, pages 845–848. Springer Netherlands, Dordrecht, 1990.
Paper doi abstract bibtex Water cleavage into dioxygen and four protons requires the cooperation of four redox equivalents of sufficient oxidizing power. In photosynthesis the 1-electron oxidant is generated by electron ejection from the excited singlet state of a special chlorophyll a complex (P680) with pheophytin a (Pheo) as primary acceptor and the indispensible stabilization through Pheo− reoxidation by a specifically bound plastoquinone (QA). The oxidizing equivalents are transferred from P680+ via a tyrosine residue (Yz) into a manganese containing hole storage unit referred to as HSU(Mn). After accumulation of four holes by a sequential univalent storage process (described by S0→S1→S2→S3→S4) oxygen is evolved and HSU(Mn) returns to state S0 (for review see ref. 1,2).
@incollection{renger_thermodynamic_1990,
address = {Dordrecht},
title = {Thermodynamic, {Kinetic} and {Mechanistic} {Aspects} of {Photosynthetic} {Water} {Oxidation}},
isbn = {978-94-009-0511-5},
url = {https://doi.org/10.1007/978-94-009-0511-5_195},
abstract = {Water cleavage into dioxygen and four protons requires the cooperation of four redox equivalents of sufficient oxidizing power. In photosynthesis the 1-electron oxidant is generated by electron ejection from the excited singlet state of a special chlorophyll a complex (P680) with pheophytin a (Pheo) as primary acceptor and the indispensible stabilization through Pheo− reoxidation by a specifically bound plastoquinone (QA). The oxidizing equivalents are transferred from P680+ via a tyrosine residue (Yz) into a manganese containing hole storage unit referred to as HSU(Mn). After accumulation of four holes by a sequential univalent storage process (described by S0→S1→S2→S3→S4) oxygen is evolved and HSU(Mn) returns to state S0 (for review see ref. 1,2).},
language = {en},
urldate = {2024-11-28},
booktitle = {Current {Research} in {Photosynthesis}: {Proceedings} of the {VIIIth} {International} {Conference} on {Photosynthesis} {Stockholm}, {Sweden}, {August} 6–11, 1989},
publisher = {Springer Netherlands},
author = {Renger, G. and Messinger, J. and Hanssum, B.},
editor = {Baltscheffsky, M.},
year = {1990},
doi = {10.1007/978-94-009-0511-5_195},
pages = {845--848},
}
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