Research theme for competitive and other funds (16):
2020 - 2024 Asymmetric electron transfer in photosynthetic reaction centers
2020 - 2022 Redox potential of the oxygen-evolving complex
2018 - 2021 Development of fundamental theory of exciton and charge dynamics for efficient use of solar light
2018 - 2020 ダイナミクス・エナジェティクス融合による光合成水分解反応機構の解明
2014 - 2019 Elucidation of Structure-Function Relationship of Biological Active Sites and New Material Design by Molecular Simulation
2015 - 2017 水分解触媒部位の周辺環境から理解する光合成蛋白質における酸素発生反応
2014 - 2017 Proton transfer pathways in photosystem II
2013 - 2015 水分解触媒部位の周辺環境から理解する光合成蛋白質における酸素発生反応
2009 - 2013 光反応中心・光受容体蛋白質における光反応の分子制御
2007 - 2011 Structural biology of ion transporters
2011 - 蛋白質立体構造に基づいた光化学系II酸素発生初期過程の解明
2011 - 蛋白質立体構造を用いた光化学系IIにおける水分子分解反応・電子移動過程の解明
2009 - 2010 Computational analysis of electron/proton transfer in membrane protein complexes
2000 - 2010 Simulating electron and proton transfer in photosynthetic reaction centers
2009 - 巨大蛋白質複合体における生体膜内エネルギー変換反応の研究
2007 - 2008 Photoreaction mechanisms in photoreceptor proteins
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Papers (127):
Tomoyasu Noji, Hiroyuki Tamura, Hiroshi Ishikita, Keisuke Saito. Difference in the Charge-Separation Energetics between Distinct Conformers in the PixD Photoreceptor. The Journal of Physical Chemistry B. 2023. 127. 48. 10351-10359
Gai Nishikawa, Yu Sugo, Keisuke Saito, Hiroshi Ishikita. Absence of electron-transfer-associated changes in the time-dependent X-ray free-electron laser structures of the photosynthetic reaction center. eLife. 2023. 12
Masahiro Saito, Keisuke Saito, Hiroshi Ishikita. Structural and energetic insights into Mn-to-Fe substitution in the oxygen-evolving complex. iScience. 2023. 26. 8. 107352-107352
Yoshihiro Chiba, Masaki Tsujimura, Keisuke Saito, Hiroshi Ishikita. pH-Dependent Binding and Releasing Mechanism of Acetate in the Inner Water Cavity of Heliorhodopsin. Biochemistry. 2023. 62. 16. 2363-2370
Keisuke Saito, Shunya Nishio, Mizue Asada, Hiroyuki Mino, Hiroshi Ishikita. Insights into the protonation state and spin structure for the g = 2 multiline electron paramagnetic resonance signal of the oxygen-evolving complex. PNAS nexus. 2023. 2. 8. pgad244
Japanese Society of Enzyme Engineering
, THE CHEMICAL SOCIETY OF JAPAN
, THE JAPANESE SOCIETY OF PHOTOSYNTHESIS RESEARCH
, THE BIOPHYSICAL SOCIETY OF JAPAN