Water oxidation in photosystem II
Biological water oxidation, performed by a single enzyme, photosystem II, is a central
research topic not only in understanding the photosynthetic apparatus but also for the …
research topic not only in understanding the photosynthetic apparatus but also for 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 …
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 …
Functional water networks in fully hydrated photosystem II
A Sirohiwal, DA Pantazis - Journal of the American Chemical …, 2022 - ACS Publications
Water channels and networks within photosystem II (PSII) of oxygenic photosynthesis are
critical for enzyme structure and function. They control substrate delivery to the oxygen …
critical for enzyme structure and function. They control substrate delivery to the oxygen …
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 …
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 exit pathways surrounding the oxygen evolving complex of photosystem II
Photosystem II allows water to be the primary electron source for the photosynthetic electron
transfer chain. Water is oxidized to dioxygen at the Oxygen Evolving Complex (OEC), a Mn 4 …
transfer chain. Water is oxidized to dioxygen at the Oxygen Evolving Complex (OEC), a Mn 4 …
Successes, challenges, and opportunities for quantum chemistry in understanding metalloenzymes for solar fuels research
M Orio, DA Pantazis - Chemical Communications, 2021 - pubs.rsc.org
Quantum chemical approaches today are a powerful tool to study the properties and
reactivity of metalloenzymes. In the field of solar fuels research these involve predominantly …
reactivity of metalloenzymes. In the field of solar fuels research these involve predominantly …
Five-coordinate MnIV intermediate in the activation of nature's water splitting cofactor
M Chrysina, E Heyno, Y Kutin, M Reus… - Proceedings of the …, 2019 - National Acad Sciences
Nature's water splitting cofactor passes through a series of catalytic intermediates (S0-S4)
before OO bond formation and O2 release. In the second last transition (S2 to S3) cofactor …
before OO bond formation and O2 release. In the second last transition (S2 to S3) cofactor …
Comprehensive evaluation of models for ammonia binding to the oxygen evolving complex of photosystem II
M Drosou, DA Pantazis - The Journal of Physical Chemistry B, 2024 - ACS Publications
The identity and insertion pathway of the substrate oxygen atoms that are coupled to
dioxygen by the oxygen-evolving complex (OEC) remains a central question toward …
dioxygen by the oxygen-evolving complex (OEC) remains a central question toward …