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 …

[HTML][HTML] Supramolecular chlorophyll aggregates inspired from specific light-harvesting antenna “chlorosome”: Static nanostructure, dynamic construction process, and …

S Matsubara, H Tamiaki - Journal of Photochemistry and Photobiology C …, 2020 - Elsevier
Photosynthetic light-harvesting antennas possess a variety of supramolecular structures with
the same function (collecting sunlight energy), dependent on their living habitats and …

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) …

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 …

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 …

Rare-Earth Elements Can Structurally and Energetically Replace the Calcium in a Synthetic Mn4CaO4-Cluster Mimicking the Oxygen-Evolving Center in …

R Yao, Y Li, Y Chen, B Xu, C Chen… - Journal of the American …, 2021 - ACS Publications
The oxygen-evolving center (OEC) in photosynthesis is a unique biological Mn4CaO5
cluster catalyzing the water-splitting reaction. A great current challenge is to achieve a …

The implication of manganese surplus on plant cell homeostasis: a review

M Skórka, A Sieprawska, A Telk - Journal of Plant Growth Regulation, 2023 - Springer
Manganese management in plant cells is important for providing cells with appropriate
development conditions, as both manganese deficiency and excess interfere with redox …

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 …

[PDF][PDF] Photosystem II

D Shevela, JF Kern, G Govindjee, J Whitmarsh… - eLS, 2021 - life.illinois.edu
Photosystem II (PSII) of plants, algae and cyanobacteria is a specialised protein complex
that uses light energy to transfer electrons from water to plastoquinone, producing molecular …