ReviewPhotosynthesis research2007
Oxidative photosynthetic water splitting: energetics, kinetics and mechanism.
Review in Photosynthesis research, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- An analysis of the structural changes of the oxygen evolving complex of Photosystem II in the SBiochimica et biophysica acta. Bioenergetics · 2025Review
- Exogenous melatonin alleviates drought stress in cotton by enhancing root cortical activity and metabolic adaptation.Frontiers in plant science · 2025Article
- Nature of S-States in the Oxygen-Evolving Complex Resolved by High-Energy Resolution Fluorescence Detected X-ray Absorption Spectroscopy.Journal of the American Chemical Society · 2023Article
- Redox Isomerism in the SChemistry (Weinheim an der Bergstrasse, Germany) · 2021Article
- Charge accumulation kinetics in multi-redox molecular catalysts immobilised on TiOChemical science · 2020Article
- Effect of different methods of CaPhotosynthesis research · 2018Article
- Thylakoid membrane model of the Chl a fluorescence transient and P700 induction kinetics in plant leaves.Photosynthesis research · 2016Article
- Modified molecular interactions of the pheophytin and plastoquinone electron acceptors in photosystem II of chlorophyll D-containing Acaryochloris marina as revealed by FTIR spectroscopy.Photosynthesis research · 2015Article
- Modeling of the redox state dynamics in photosystem II of Chlorella pyrenoidosa Chick cells and leaves of spinach and Arabidopsis thaliana from single flash-induced fluorescence quantum yield changes on the 100 ns-10 s time scale.Photosynthesis research · 2015Article
- Primary electron transfer processes in photosynthetic reaction centers from oxygenic organisms.Photosynthesis research · 2015Review
- Theoretical study of catalytic mechanism for single-site water oxidation process.Proceedings of the National Academy of Sciences of the United States of America · 2012Article
- Catalysis: oxidizing water two ways.Nature chemistry · 2011Article
- Structural basis of cyanobacterial photosystem II Inhibition by the herbicide terbutryn.The Journal of biological chemistry · 2011Article
- Cyanobacterial photosystem II at 2.9-A resolution and the role of quinones, lipids, channels and chloride.Nature structural & molecular biology · 2009Article
- Mediator-assisted water oxidation by the ruthenium "blue dimer" cis,cis-[(bpy)2(H2O)RuORu(OH2)(bpy)2]4+.Proceedings of the National Academy of Sciences of the United States of America · 2008Article
- The photosystem II-associated Cah3 in Chlamydomonas enhances the O2 evolution rate by proton removal.The EMBO journal · 2008Article
- Proton-coupled electron transfer.Chemical reviews · 2007Review
- Electrogenic reactions and dielectric properties of photosystem II.Photosynthesis researchReview
- Isotopic labelling of photosystem II in Thermosynechococcus elongatus.Photosynthesis researchArticle
- H-transfers in Photosystem II: what can we learn from recent lessons in the enzyme community?Photosynthesis researchReview
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Abstract
This minireview is an attempt to summarize our current knowledge on oxidative water splitting in photosynthesis. Based on the extended Kok model (Kok, Forbush, McGloin (1970) Photochem Photobiol 11:457-476) as a framework, the energetics and kinetics of two different types of reactions comprising the overall process are discussed: (i) P680+* reduction by the redox active tyrosine YZ of polypeptide D1 and (ii) Yz (ox) induced oxidation of the four step sequence in the water oxidizing complex (WOC) leading to the formation of molecular oxygen. The mode of coupling between electron transport (ET) and proton transfer (PT) is of key mechanistic relevance for the redox turnover of YZ and the reactions within the WOC. The peculiar energetics of the oxidation steps in the WOC assure that redox state S1 is thermodynamically most stable. This is a general feature in all oxygen evolving photosynthetic organisms and assumed to be of physiological relevance. The reaction coordinate of oxidative water splitting is discussed on the basis of the available information about the Gibbs energy differences between the individual redox states Si+1 and Si and the data reported for the activation energies of the individual oxidation steps in the WOC. Finally, an attempt is made to cast our current state of knowledge into a mechanism of oxidative water splitting with special emphasis on the formation of the essential O-O bond and on the active role of the protein in tuning the local proton activity that depends on time and redox state Si. The O-O linkage is assumed to take place at the level of a complexed peroxide.
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