Search Results - "Kanematsu, Yusuke"
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Theoretical analysis of geometry and NMR isotope shift in hydrogen-bonding center of photoactive yellow protein by combination of multicomponent quantum mechanics and ONIOM scheme
Published in The Journal of chemical physics (14-11-2014)“…Multicomponent quantum mechanical (MC_QM) calculation has been extended with ONIOM (our own N-layered integrated molecular orbital + molecular mechanics)…”
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Computational Exploration of Minimum Energy Reaction Pathway of N2O Formation from Intermediate I of P450nor Using an Active Center Model
Published in International journal of molecular sciences (01-12-2023)“…P450nor is a heme-containing enzyme that catalyzes the conversion of nitric oxide (NO) to nitrous oxide (N2O). Its catalytic mechanism has attracted attention…”
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H/D isotope effect between adsorbed water (H2O, D2O, and HDO) and H2O- and D2O-ice Ih(0 0 0 1) basal surfaces based on the combined plane wave and localized basis set method
Published in Applied surface science (30-09-2021)“…[Display omitted] •H/D isotope effect for adsorbed water and ice Ih(0 0 0 1) surface is analyzed.•Both surface and local parts can be adequately considered…”
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Nuclear quantum effect and H/D isotope effect in excited state intramolecular proton transfer and electron‐induced intramolecular proton transfer reactions in 8‐hydroxyquinoline
Published in International journal of quantum chemistry (05-10-2022)“…The optimum exponent α (αopt) value in 1s Gaussian type function (GTF) was analyzed to develop nuclear basis function for multicomponent quantum mechanics…”
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Statistical and quantum-chemical analysis of the effect of heme porphyrin distortion in heme proteins: Differences between oxidoreductases and oxygen carrier proteins
Published in Chemical physics letters (16-10-2018)“…[Display omitted] •Statistical and quantum-chemical analysis of heme distortion was performed.•PCA implied oxidoreductases preferred ruffling distortions to…”
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Random Forest Classifier of Heme Proteins Using Porphyrin Distortions and Axial Ligands of Heme
Published in Chemistry letters (05-06-2023)“…We achieved success in the construction of a random forest classifier that is capable of accurately classifying heme proteins for oxygen storage/transport…”
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Global Analysis of Heme Proteins Elucidates the Correlation between Heme Distortion and the Heme-Binding Pocket
Published in Journal of chemical information and modeling (28-02-2022)“…Heme proteins play diverse and important biological roles, from electron transfer and chemical catalysis to oxygen transport and/or storage. Although the…”
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PyDISH: database and analysis tools for heme porphyrin distortion in heme proteins
Published in Database : the journal of biological databases and curation (18-12-2023)“…Abstract Heme participates in a wide range of biological functions such as oxygen transport, electron transport, oxygen reduction, transcriptional regulation…”
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Hydrogen/Deuterium Transfer from Anisole to Methoxy Radicals: A Theoretical Study of a Deuterium-Labeled Drug Model
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (13-01-2022)“…Recently, deuterium-labeled drugs, such as deutetrabenazine, have attracted considerable attention. Consequently, understanding the reaction mechanisms of…”
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Capturing an initial intermediate during the P450nor enzymatic reaction using time-resolved XFEL crystallography and caged-substrate
Published in Nature communications (17-11-2017)“…Time-resolved serial femtosecond crystallography using an X-ray free electron laser (XFEL) in conjunction with a photosensitive caged-compound offers a…”
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Computational study of distortion effect of Fe-porphyrin found as a biological active site
Published in Japanese Journal of Applied Physics (01-01-2020)“…Fe-porphyrin is a common heme cofactor in the active sites of proteins, and plays important roles in a variety of biochemical functions. However, the origin of…”
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Quantum Mechanics/Molecular Mechanics Study of the Sialyltransferase Reaction Mechanism
Published in Biochemistry (Easton) (11-10-2016)“…The sialyltransferase is an enzyme that transfers the sialic acid moiety from cytidine 5′-monophospho-N-acetyl-neuraminic acid (CMP-NeuAc) to the terminal…”
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Inverse Ubbelohde effect in the short hydrogen bond of photosystem II: Relation between H/D isotope effect and symmetry in potential energy profile
Published in Journal of computational chemistry (05-09-2016)“…The short hydrogen bond between tyrosine Yz and D1‐His190 of photosystem II (PSII) was investigated using multicomponent quantum mechanics, where the quantum…”
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A computational examination of the electric-field-induced proton transfer along the interface hydrogen bond between proton donating and accepting self-assembled monolayers
Published in Chemical physics letters (16-02-2020)“…[Display omitted] •We investigated the influence of electric field on hydrogen bonds by DFT calculation.•The field induced proton switching in CatTTF and…”
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Strong Hydrogen Bonds at the Interface between Proton-Donating and -Accepting Self-Assembled Monolayers on Au(111)
Published in Langmuir (06-02-2018)“…Hydrogen-bonding heterogeneous bilayers on substrates have been studied as a base for new functions of molecular adlayers by means of atomic force microscopy…”
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Computational analysis of H/D isotope effect on adsorption of water and its dissociated species on Pt(111) surface
Published in AIP advances (01-06-2023)“…To understand the mechanism of the H–D exchange reaction for synthesizing various deuterium-labeled molecules on heterogeneous metal catalysts as a first step,…”
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Prediction of Protein Function from Tertiary Structure of the Active Site in Heme Proteins by Convolutional Neural Network
Published in Biomolecules (Basel, Switzerland) (09-01-2023)“…Structure-function relationships in proteins have been one of the crucial scientific topics in recent research. Heme proteins have diverse and pivotal…”
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Elucidation of the Correlation between Heme Distortion and Tertiary Structure of the Heme-Binding Pocket Using a Convolutional Neural Network
Published in Biomolecules (Basel, Switzerland) (24-08-2022)“…Heme proteins serve diverse and pivotal biological functions. Therefore, clarifying the mechanisms of these diverse functions of heme is a crucial scientific…”
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Substrate-shielding and hydrolytic reaction in hydrolases
Published in Proteins, structure, function, and bioinformatics (01-06-2013)“…In general, transferases undergo large structural changes and sequester substrate molecules, to shield them from water. By contrast, hydrolases exhibit only…”
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Vibrational analysis on the revised potential energy curve of the low-barrier hydrogen bond in photoactive yellow protein
Published in Computational and structural biotechnology journal (01-01-2016)“…Photoactive yellow protein (PYP) has a characteristic hydrogen bond (H bond) between p-coumaric acid chromophore and Glu46, whose OH bond length has been…”
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