The electron–proton bottleneck of photosynthetic oxygen evolution
Photosynthesis fuels life on Earth by storing solar energy in chemical form. Today's oxygen-
rich atmosphere has resulted from the splitting of water at the protein-bound manganese …
rich atmosphere has resulted from the splitting of water at the protein-bound manganese …
Geometric, electronic and spin structures of the CaMn4O5 catalyst for water oxidation in oxygen-evolving photosystem II. Interplay between experiments and …
K Yamaguchi, M Shoji, H Isobe, T Kawakami… - Coordination Chemistry …, 2022 - Elsevier
The aim of this review is to elucidate geometric structures of the catalytic CaMn 4 O x (x= 5,
6) cluster in the Kok cycle for water oxidation in the oxygen evolving complex (OEC) of …
6) cluster in the Kok cycle for water oxidation in the oxygen evolving complex (OEC) of …
O2 evolution and recovery of the water-oxidizing enzyme
K Kawashima, T Takaoka, H Kimura, K Saito… - Nature …, 2018 - nature.com
In photosystem II, light-induced water oxidation occurs at the Mn4CaO5 cluster. Here we
demonstrate proton releases, dioxygen formation, and substrate water incorporation in …
demonstrate proton releases, dioxygen formation, and substrate water incorporation in …
Model of the oxygen evolving complex which is highly predisposed to O–O bond formation
Light-driven water oxidation is a fundamental reaction in the biosphere. The Mn4Ca cluster
of photosystem II cycles through five redox states termed S0–S4, after which oxygen is …
of photosystem II cycles through five redox states termed S0–S4, after which oxygen is …
The exchange of the fast substrate water in the S 2 state of photosystem II is limited by diffusion of bulk water through channels–implications for the water oxidation …
The molecular oxygen we breathe is produced from water-derived oxygen species bound to
the Mn4CaO5 cluster in photosystem II (PSII). Present research points to the central oxo …
the Mn4CaO5 cluster in photosystem II (PSII). Present research points to the central oxo …
Crystallographic data support the carousel mechanism of water supply to the oxygen-evolving complex of photosystem II
Photosystem II (PSII) oxidizes water to produce oxygen through a four-step photocatalytic
cycle. Understanding PSII structure–function relations is important for the development of …
cycle. Understanding PSII structure–function relations is important for the development of …
Theoretical elucidation of the structure, bonding, and reactivity of the CaMn4Ox clusters in the whole Kok cycle for water oxidation embedded in the oxygen evolving …
K Yamaguchi, K Miyagawa, M Shoji, T Kawakami… - Photosynthesis …, 2024 - Springer
This paper reviews our historical developments of broken-symmetry (BS) and beyond BS
methods that are applicable for theoretical investigations of metalloenzymes such as OEC in …
methods that are applicable for theoretical investigations of metalloenzymes such as OEC in …
[HTML][HTML] Temperature dependence of the high-spin S2 to S3 transition in Photosystem II: Mechanistic consequences
A Boussac - Biochimica et Biophysica Acta (BBA)-Bioenergetics, 2019 - Elsevier
Abstract The Mn 4 CaO 5-cluster in Photosystem II advances through five oxidation states, S
0 to S 4, before water is oxidized and O 2 is generated. The S 2-state exhibits either a low …
0 to S 4, before water is oxidized and O 2 is generated. The S 2-state exhibits either a low …
Elucidation of a multiple S3 intermediates model for water oxidation in the oxygen evolving complex of photosystem II. Calcium-assisted concerted OO bond formation
K Yamaguchi, K Miyagawa, M Shoji, H Isobe… - Chemical Physics …, 2022 - Elsevier
A multiple S 3 intermediates model for water oxidation in the oxygen evolving complex
(OEC) of photosystem II (PSII) is examined on the basis of key intermediates elucidated by …
(OEC) of photosystem II (PSII) is examined on the basis of key intermediates elucidated by …
Extent of spin contamination errors in DFT/plane-wave calculation of surfaces: A case of au atom aggregation on a MgO surface
The aggregation of Au atoms onto a Au dimer (Au2) on a MgO (001) surface was calculated
by restricted (spin-un-polarized) and unrestricted (spin-polarized) density functional theory …
by restricted (spin-un-polarized) and unrestricted (spin-polarized) density functional theory …