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] Artificial photosynthesis: molecular systems for catalytic water oxidation

MD Karkas, O Verho, EV Johnston… - Chemical reviews, 2014 - ACS Publications
The sustainable production of clean energy constitutes one of the most important scientific
challenges of the 21st century. Currently, the major part of the global energy supply is …

Structural evidence for intermediates during O2 formation in photosystem II

A Bhowmick, R Hussein, I Bogacz, PS Simon… - Nature, 2023 - nature.com
In natural photosynthesis, the light-driven splitting of water into electrons, protons and
molecular oxygen forms the first step of the solar-to-chemical energy conversion process …

Light-induced structural changes and the site of O= O bond formation in PSII caught by XFEL

M Suga, F Akita, M Sugahara, M Kubo, Y Nakajima… - Nature, 2017 - nature.com
Photosystem II (PSII) is a huge membrane-protein complex consisting of 20 different
subunits with a total molecular mass of 350 kDa for a monomer. It catalyses light-driven …

Native structure of photosystem II at 1.95 Å resolution viewed by femtosecond X-ray pulses

M Suga, F Akita, K Hirata, G Ueno, H Murakami… - Nature, 2015 - nature.com
Photosynthesis converts light energy into biologically useful chemical energy vital to life on
Earth. The initial reaction of photosynthesis takes place in photosystem II (PSII), a 700 …

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) …

Mn4Ca Cluster in Photosynthesis: Where and How Water is Oxidized to Dioxygen

J Yano, V Yachandra - Chemical reviews, 2014 - ACS Publications
Oxygen, which supports all aerobic life, is produced by photosynthetic water oxidation in
plants, algae, and cyanobacteria. The water-oxidation reaction probably first appeared in …

Bias-free photoelectrochemical water splitting with photosystem II on a dye-sensitized photoanode wired to hydrogenase

KP Sokol, WE Robinson, J Warnan, N Kornienko… - Nature Energy, 2018 - nature.com
Natural photosynthesis stores sunlight in chemical energy carriers, but it has not evolved for
the efficient synthesis of fuels, such as H2. Semi-artificial photosynthesis combines the …

Quantum chemical studies of mechanisms for metalloenzymes

MRA Blomberg, T Borowski, F Himo, RZ Liao… - Chemical …, 2014 - ACS Publications
Two decades ago, theoretical model calculations played a truly minor role in understanding
mechanisms of redox-active metalloenzymes. The methods available to treat transition …

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 …