Current understanding of the mechanism of water oxidation in photosystem II and its relation to XFEL data
The investigation of water oxidation in photosynthesis has remained a central topic in
biochemical research for the last few decades due to the importance of this catalytic process …
biochemical research for the last few decades due to the importance of this catalytic process …
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 …
Structures of the intermediates of Kok's photosynthetic water oxidation clock
Inspired by the period-four oscillation in flash-induced oxygen evolution of photosystem II
discovered by Joliot in 1969, Kok performed additional experiments and proposed a five …
discovered by Joliot in 1969, Kok performed additional experiments and proposed a five …
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) …
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 …
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 …
A mechanism for water splitting and oxygen production in photosynthesis
J Barber - Nature plants, 2017 - nature.com
Sunlight is absorbed and converted to chemical energy by photosynthetic organisms. At the
heart of this process is the most fundamental reaction on Earth, the light-driven splitting of …
heart of this process is the most fundamental reaction on Earth, the light-driven splitting of …
Bioinspired Active Site with a Coordination-Adaptive Organosulfonate Ligand for Catalytic Water Oxidation at Neutral pH
Many enzymes use adaptive frameworks to preorganize substrates, accommodate various
structural and electronic demands of intermediates, and accelerate related catalysis …
structural and electronic demands of intermediates, and accelerate related catalysis …
O2 evolution and recovery of the water-oxidizing enzyme
K Kawashima, T Takaoka, H Kimura, K Saito… - Nature …, 2018 - nature.com
In photosystem II, light-induced water oxidation occurs at the Mn4CaO5 cluster. Here we
demonstrate proton releases, dioxygen formation, and substrate water incorporation in …
demonstrate proton releases, dioxygen formation, and substrate water incorporation in …