Solar energy conversion by photosystem II: principles and structures

D Shevela, JF Kern, G Govindjee, J Messinger - Photosynthesis research, 2023 - Springer
Photosynthetic water oxidation by Photosystem II (PSII) is a fascinating process because it
sustains life on Earth and serves as a blue print for scalable synthetic catalysts required for …

Current understanding of the mechanism of water oxidation in photosystem II and its relation to XFEL data

N Cox, DA Pantazis, W Lubitz - Annual review of biochemistry, 2020 - annualreviews.org
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 …

Alternative Mechanism for O2 Formation in Natural Photosynthesis via Nucleophilic Oxo–Oxo Coupling

Y Guo, J Messinger, L Kloo, L Sun - Journal of the American …, 2023 - ACS Publications
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) …

Nature of S-states in the oxygen-evolving complex resolved by high-energy resolution fluorescence detected X-ray absorption spectroscopy

M Chrysina, M Drosou, RG Castillo… - Journal of the …, 2023 - ACS Publications
Photosystem II, the water splitting enzyme of photosynthesis, utilizes the energy of sunlight
to drive the four-electron oxidation of water to dioxygen at the oxygen-evolving complex …

Does serial femtosecond crystallography depict state-specific catalytic intermediates of the oxygen-evolving complex?

M Drosou, G Comas-Vilà, F Neese… - Journal of the …, 2023 - ACS Publications
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 …

Closing Kok's cycle of nature's water oxidation catalysis

Y Guo, L He, Y Ding, L Kloo, DA Pantazis… - Nature …, 2024 - nature.com
Abstract The Mn4CaO5 (6) cluster in photosystem II catalyzes water splitting through the S i
state cycle (i= 0–4). Molecular O2 is formed and the natural catalyst is reset during the final …

Water oxidation in oxygenic photosynthesis studied by magnetic resonance techniques

W Lubitz, DA Pantazis, N Cox - FEBS letters, 2023 - Wiley Online Library
The understanding of light‐induced biological water oxidation in oxygenic photosynthesis is
of great importance both for biology and (bio) technological applications. The chemically …

Redox reactivity of a mononuclear manganese-oxo complex binding calcium ion and other redox-inactive metal ions

M Sankaralingam, YM Lee… - Journal of the …, 2018 - ACS Publications
Mononuclear nonheme manganese (IV)-oxo complexes binding calcium ion and other
redox-inactive metal ions,[(dpaq) MnIV (O)]+-M n+(1-Mn+, M n+= Ca2+, Mg2+, Zn2+, Lu3+ …

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 …

O–O bond formation and oxygen release in photosystem II are enhanced by spin-exchange and synergetic coordination interactions

X Song, B Wang - Journal of Chemical Theory and Computation, 2023 - ACS Publications
The photosystem II (PSII)-catalyzed water oxidation is crucial for maintaining life on earth.
Despite the extensive experimental and computational research that has been conducted …