Hiroshi Ishikita

University of Tokyo

Japan

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Research Interests

Physical Chemistry

50%

Biochemistry

100%

Photosynthesis

100%

Photochemistry

100%

Redox Biology

80%

Electron Transfer

80%

Computational Chemistry

50%

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Articles31

Current perspectives on proton and electron transfer pathways in photosystem II water oxidation

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Year:

2025

Energetics of tryptophan residues in electron transfer and photoprotection of type-II photosynthetic reaction centers

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Year:

2025

Distinct Protochromic Mechanisms Driving Green/Red Absorption in Phycocyanobilin-Binding Proteins

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Year:

2025

Electron Transfer Mechanism from the Oxygen-Evolving Complex to the Electron-Acceptor Tyrosine during the S2 to S3 Transition in Photosystem II

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2025

Identification and design principles of far-red–absorbing chlorophyll in the light-harvesting complex

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Year:

2025

Photosystem II: Probing Protons and Breaking Barriers

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Year:

2025

Roles of basic amino acid residues in substrate binding and transport of the light-driven anion pump Synechocystis halorhodopsin (SyHR)

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Year:

2025

How the Electron-Transfer Cascade is Maintained in Chlorophyll-d Containing Photosystem I

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Year:

2025

Determinants of hydrogen bond distances in proteins

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2025

Mechanistic insights into glycosylation-driven structural rearrangements in human aquaporin 1

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Year:

2025

Organic solvent-induced structural changes in a protein confined in a giant coordination cage

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Year:

2024

ZBTB7A forms a heterodimer with ZBTB2 and inhibits ZBTB2 homodimerization required for full activation of HIF-1

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Year:

2024

Superexchange Electron Transfer and Protein Matrix in the Charge-Separation Process of Photosynthetic Reaction Centers

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Year:

2024

Direct evidence for a deprotonated lysine serving as a H-bond “acceptor” in a photoreceptor protein

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Year:

2024

Absence of a link between stabilized charge-separated state and structural changes proposed from crystal structures of a photosynthetic reaction center

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Year:

2024

Molecular origins of absorption wavelength variation among phycocyanobilin-binding proteins

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Year:

2024

Energetics of the H-Bond Network in Exiguobacterium sibiricum Rhodopsin

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Year:

2024

Exploring the Deprotonation Process during Incorporation of a Ligand Water Molecule at the Dangling Mn Site in Photosystem II

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Year:

2024

Modulation of Electron Transfer Branches by Atrazine and Triazine Herbicides in Photosynthetic Reaction Centers

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Year:

2024

ZBTB2 links p53 deficiency to HIF‐1‐mediated hypoxia signaling to promote cancer aggressiveness

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Year:

2023

Interplay of two low-barrier hydrogen bonds in long-distance proton-coupled electron transfer for water oxidation

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Year:

2023

Mechanism of Absorption Wavelength Shift Depending on the Protonation State of the Acrylate Group in Chlorophyll <i>c</i>

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Year:

2023

pH-Dependent Binding and Releasing Mechanism of Acetate in the Inner Water Cavity of Heliorhodopsin

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Year:

2023

Insights into the protonation state and spin structure for the g = 2 multiline electron paramagnetic resonance signal of the oxygen-evolving complex

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Year:

2023

Structural and energetic insights into Mn-to-Fe substitution in the oxygen-evolving complex

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Year:

2023

Redox Potentials of Iron–Sulfur Clusters in Type I Photosynthetic Reaction Centers

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Year:

2023

Mechanism of Asparagine-Mediated Proton Transfer in Photosynthetic Reaction Centers

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Year:

2023

Energetic Diversity in the Electron-Transfer Pathways of Type I Photosynthetic Reaction Centers

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Year:

2023

Electron-Transfer Route in the Early Oxidation States of the Mn4CaO5 Cluster in Photosystem II

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Year:

2023

Substitution of Ca2+ and changes in the H-bond network near the oxygen-evolving complex of photosystem II

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Year:

2023

Difference in the Charge-Separation Energetics between Distinct Conformers in the PixD Photoreceptor

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Year:

2023

Collaborators12

Sho Koyasu

助教 / Assistant Professor

Kyoto University

JAPAN

Keiichi Kojima

Okayama University

JAPAN

Yutaka Ito

Professor

JAPAN

Yohei Miyanoiri

Designated assistant professor

Nagoya University

JAPAN

Keisuke Saito

University of Tokyo

JAPAN

Yuki Sudo

Okayama University

JAPAN

susumu yoshizawa

Associate Professor

University of Tokyo

JAPAN

Minoru Kobayashi

特定助教 / Program-Specific Assistant Professor

Kyoto University

JAPAN

Hiroshi Harada

JAPAN

Tomoyasu Noji

The Univeristy of Tokyo

JAPAN

Makiko Kosugi

特任助教/Research Assistant Professor

基礎生物学研究所/National Institute for Basic Biology

JAPAN

Takahiro Nakama

Project Assistant Professor

University of Tokyo

JAPAN

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