Progress toward a molecular mechanism of water oxidation in photosystem II
DJ Vinyard, GW Brudvig - Annual review of physical chemistry, 2017 - annualreviews.org
The active site of photosynthetic water oxidation is the oxygen-evolving complex (OEC) in
the photosystem II (PSII) reaction center. The OEC is a Mn4CaO5 cluster embedded in the …
the photosystem II (PSII) reaction center. The OEC is a Mn4CaO5 cluster embedded in the …
Water oxidation in oxygenic photosynthesis studied by magnetic resonance techniques
The understanding of light‐induced biological water oxidation in oxygenic photosynthesis is
of great importance both for biology and (bio) technological applications. The chemically …
of great importance both for biology and (bio) technological applications. The chemically …
Alternative Mechanism for O2 Formation in Natural Photosynthesis via Nucleophilic Oxo–Oxo Coupling
O2 formation in photosystem II (PSII) is a vital event on Earth, but the exact mechanism
remains unclear. The presently prevailing theoretical model is “radical coupling”(RC) …
remains unclear. The presently prevailing theoretical model is “radical coupling”(RC) …
Missing pieces in the puzzle of biological water oxidation
DA Pantazis - ACS Catalysis, 2018 - ACS Publications
The sunlight-powered oxidation of water by photosystem II (PSII) of algae, plants, and
cyanobacteria underpins the energy conversion processes that sustain most life on our …
cyanobacteria underpins the energy conversion processes that sustain most life on our …
[HTML][HTML] The low spin-high spin equilibrium in the S2-state of the water oxidizing enzyme
Abstract In Photosystem II (PSII), the Mn 4 CaO 5-cluster of the active site advances through
five sequential oxidation states (S 0 to S 4) before water is oxidized and O 2 is generated …
five sequential oxidation states (S 0 to S 4) before water is oxidized and O 2 is generated …
Coordination Number in High-Spin–Low-Spin Equilibrium in Cluster Models of the S2 State of the Oxygen Evolving Complex
The S2 state of the Oxygen Evolving Complex (OEC) of Photosystem II (PSII) shows high-
spin (HS) and low-spin (LS) EPR signals attributed to distinct structures based on …
spin (HS) and low-spin (LS) EPR signals attributed to distinct structures based on …
Proton Isomers Rationalize the High- and Low-Spin Forms of the S2 State Intermediate in the Water-Oxidizing Reaction of Photosystem II
TA Corry, PJ O'Malley - The Journal of Physical Chemistry Letters, 2019 - ACS Publications
A new paradigm for the high-and low-spin forms of the S2 state of nature's water-oxidizing
complex in Photosystem II is found. Broken symmetry density functional theory calculations …
complex in Photosystem II is found. Broken symmetry density functional theory calculations …
Orientational Jahn–teller isomerism in the dark‐stable state of Nature's water oxidase
M Drosou, G Zahariou, DA Pantazis - Angewandte Chemie, 2021 - Wiley Online Library
The tetramanganese–calcium cluster of the oxygen‐evolving complex of photosystem II
adopts electronically and magnetically distinct but interconvertible valence isomeric forms in …
adopts electronically and magnetically distinct but interconvertible valence isomeric forms in …
Is Deprotonation of the Oxygen-Evolving Complex of Photosystem II during the S1 → S2 Transition Suppressed by Proton Quantum Delocalization?
We address the protonation state of the water-derived ligands in the oxygen-evolving
complex (OEC) of photosystem II (PSII), prepared in the S2 state of the Kok cycle. We …
complex (OEC) of photosystem II (PSII), prepared in the S2 state of the Kok cycle. We …
Substrate water exchange in the S 2 state of photosystem II is dependent on the conformation of the Mn 4 Ca cluster
C de Lichtenberg, J Messinger - Physical Chemistry Chemical Physics, 2020 - pubs.rsc.org
In photosynthesis, dioxygen formation from water is catalyzed by the oxygen evolving
complex (OEC) in Photosystem II (PSII) that harbours the Mn4Ca cluster. During catalysis …
complex (OEC) in Photosystem II (PSII) that harbours the Mn4Ca cluster. During catalysis …