Artificial photosynthesis: opportunities and challenges of molecular catalysts

B Zhang, L Sun - Chemical Society Reviews, 2019 - pubs.rsc.org
Molecular catalysis plays an essential role in both natural and artificial photosynthesis (AP).
However, the field of molecular catalysis for AP has gradually declined in recent years …

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 …

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) …

Water oxidation in photosystem II

W Lubitz, M Chrysina, N Cox - Photosynthesis research, 2019 - Springer
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 …

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 …

Progress toward a molecular mechanism of water oxidation in photosystem II

DJ Vinyard, GW Brudvig - Annual review of physical chemistry, 2017 - annualreviews.org
The active site of photosynthetic water oxidation is the oxygen-evolving complex (OEC) in
the photosystem II (PSII) reaction center. The OEC is a Mn4CaO5 cluster embedded in the …

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 …

Why nature chose the Mn 4 CaO 5 cluster as water-splitting catalyst in photosystem II: a new hypothesis for the mechanism of O–O bond formation

B Zhang, L Sun - Dalton Transactions, 2018 - pubs.rsc.org
Resolving the questions, namely, the selection of Mn by nature to build the oxygen-evolving
complex (OEC) and the presence of a cubic Mn3CaO4 structure in OEC coupled with an …

[HTML][HTML] Redox-coupled substrate water reorganization in the active site of photosystem II—the role of calcium in substrate water delivery

I Ugur, AW Rutherford, VRI Kaila - Biochimica et Biophysica Acta (BBA) …, 2016 - Elsevier
Photosystem II (PSII) catalyzes light-driven water splitting in nature and is the key enzyme for
energy input into the biosphere. Important details of its mechanism are not well understood …

The first state in the catalytic cycle of the water-oxidizing enzyme: identification of a water-derived μ-hydroxo bridge

T Lohmiller, V Krewald, A Sedoud… - Journal of the …, 2017 - ACS Publications
Nature's water-splitting catalyst, an oxygen-bridged tetramanganese calcium (Mn4O5Ca)
complex, sequentially activates two substrate water molecules generating molecular O2. Its …