The O2-Evolving Complex of Photosystem II: Recent Insights from Quantum Mechanics/Molecular Mechanics (QM/MM), Extended X-ray Absorption Fine Structure …
Conspectus Efficient photoelectrochemical water oxidation may open a way to produce
energy from renewable solar power. In biology, generation of fuel due to water oxidation …
energy from renewable solar power. In biology, generation of fuel due to water oxidation …
The electron–proton bottleneck of photosynthetic oxygen evolution
P Greife, M Schönborn, M Capone, R Assunção… - Nature, 2023 - nature.com
Photosynthesis fuels life on Earth by storing solar energy in chemical form. Today's oxygen-
rich atmosphere has resulted from the splitting of water at the protein-bound manganese …
rich atmosphere has resulted from the splitting of water at the protein-bound manganese …
Spin state as a marker for the structural evolution of nature's water-splitting catalyst
In transition-metal complexes, the geometric structure is intimately connected with the spin
state arising from magnetic coupling between the paramagnetic ions. The tetramanganese …
state arising from magnetic coupling between the paramagnetic ions. The tetramanganese …
Untangling the sequence of events during the S2 → S3 transition in photosystem II and implications for the water oxidation mechanism
In oxygenic photosynthesis, light-driven oxidation of water to molecular oxygen is carried out
by the oxygen-evolving complex (OEC) in photosystem II (PS II). Recently, we reported the …
by the oxygen-evolving complex (OEC) in photosystem II (PS II). Recently, we reported the …
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) …
Molecular principles of redox-coupled protonation dynamics in photosystem II
F Allgower, AP Gamiz-Hernandez… - Journal of the …, 2022 - ACS Publications
Photosystem II (PSII) catalyzes light-driven water oxidization, releasing O2 into the
atmosphere and transferring the electrons for the synthesis of biomass. However, despite …
atmosphere and transferring the electrons for the synthesis of biomass. However, despite …
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 …
A five-coordinate Mn (IV) intermediate in biological water oxidation: spectroscopic signature and a pivot mechanism for water binding
Among the four photo-driven transitions of the water-oxidizing tetramanganese–calcium
cofactor of biological photosynthesis, the second-last step of the catalytic cycle, that is the S2 …
cofactor of biological photosynthesis, the second-last step of the catalytic cycle, that is the S2 …
Does serial femtosecond crystallography depict state-specific catalytic intermediates of the oxygen-evolving complex?
Recent advances in serial femtosecond crystallography (SFX) of photosystem II (PSII),
enabled by X-ray free electron lasers (XFEL), provided the first geometric models of distinct …
enabled by X-ray free electron lasers (XFEL), provided the first geometric models of distinct …
[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 …