Updated on 2026/03/07

写真a

 
MITSUTAKE AYORI
 
Organization
Undergraduate School School of Science and Technology Professor
Title
Professor
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Degree

  • 博士(理学) ( The Graduate University for Advanced Studies )

Research Interests

  • 分子シミュレーション

  • ダイナミクス

  • 生体高分子

  • 拡張アンサンブル法

  • 統計物理学

  • 緩和モード解析

Research Areas

  • Life sciences / Biophysics

  • Informatics / Biological, health, and medical informatics

  • Natural sciences / Bio-, chemical, and soft-matter physics

Research History

  • Meiji University   Associate Professor

    2018.4

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  • さきがけ研究者(併任)

    2013.10 - 2017.3

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  • 大学専任講師

    2012.4

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  • Sabbatical in Professor Charles L. Brooks,III Group, Department of Molecular Biology, The Scripps Research Institute

    2006.4 - 2007.3

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  • Assistant Professor

    2001.4 - 2012.3

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  • 日本学術振興会未来開拓学術研究推進事業 ,リサーチアソシエイト

    2000.4 - 2001.3

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  • 日本学術振興会 特別研究員(PD: DC2の残期間)

    1999.10 - 2000.3

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  • 日本学術振興会 特別研究員(DC2)

    1998.4 - 1999.9

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  • 豊田工業大学 非常勤講師

    1997.4 - 1997.9

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  • Keio University Faculty of Science and Technology, Department of Physics   Senior Assistant Professor / Assistant Professor

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Professional Memberships

Committee Memberships

  • 日本蛋白質科学会   理事  

    2020.6   

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  • 分子シミュレーション研究会   幹事  

    2018.12   

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  • 日本生物物理学会   理事(庶務)  

    2016.6 - 2019.6   

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    Committee type:Academic society

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  • 日本物理学会   領域運営委員  

    2013.4 - 2014.3   

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    Committee type:Academic society

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  • 日本生物物理学会   編集委員  

    2010.1 - 2011.12   

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    Committee type:Academic society

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  • 日本生物物理学会   Editor  

    2010.1 - 2011.12   

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  • 蛋白質科学会   理事  

    2009.4 - 2012.3   

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    Committee type:Other

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  • 蛋白質科学会   理事  

    2005.4 - 2007.3   

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  • 蛋白質科学会   Director  

    2005.4 - 2007.3   

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Papers

  • Structural and Computational Insights into Dynamics and Intermediate States of Orexin 2 Receptor Signaling. International journal

    Shun Yokoi, Ryoji Suno, Ayori Mitsutake

    The journal of physical chemistry. B   2024.5

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    Orexin 2 receptor (OX2R) is a G protein-coupled receptor (GPCR) whose activation is crucial to regulation of the sleep-wake cycle. Recently, inactive and active state structures were determined from X-ray crystallography and cryo-electron microscopy single particle analysis, and the activation mechanisms have been discussed based on these static data. GPCRs have multiscale intermediate states during activation, and insights into these dynamics and intermediate states may aid the precise control of intracellular signaling by ligands in drug discovery. Molecular dynamics (MD) simulations are used to investigate dynamics induced in response to thermal perturbations, such as structural fluctuations of main and side chains. In this study, we proposed collective motions of the TM domain during activation by performing 30 independent microsecond-scale MD simulations for various OX2R systems and applying relaxation mode analysis. The analysis results suggested that TM3 had a vertical structural movement relative to the membrane surface during activation. In addition, we extracted three characteristic amino acid residues on TM3, i.e., Q1343.32, V1423.40, and R1523.50, which exhibited large conformational fluctuations. We quantitatively evaluated the changes in their equilibrium during activation in relation to the movement of TM3. We also discuss the regulation of ligand binding recognition and intracellular signal selectivity by changes in the equilibrium of Q1343.32 and R1523.50, respectively, according to MD simulations and GPCR database. Additionally, the OX2R-Gi signaling complex is stabilized in the conformation resembling a non-canonical (NC) state, which was previously proposed as an intermediate state during activation of neurotensin 1 receptor. Insights into the dynamics and intermediate states during activation gained from this study may be useful for developing biased agonists for OX2R.

    DOI: 10.1021/acs.jpcb.4c00730

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  • Analysis of Protein Folding Simulation with Moving Root Mean Square Deviation.

    Yutaka Maruyama, Ryo Igarashi, Yoshitaka Ushiku, Ayori Mitsutake

    J. Chem. Inf. Model.   63 ( 5 )   1529 - 1541   2023.3

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    DOI: 10.1021/acs.jcim.2c01444

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  • Non-Markov-Type Analysis and Diffusion Map Analysis for Molecular Dynamics Trajectory of Chignolin at a High Temperature

    Hiroshi Fujisaki, Hiromichi Suetani, Luca Maragliano, Ayori Mitsutake

    Life   2022.8

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    DOI: 10.3390/life12081188

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  • Computational Analysis of the SARS-CoV-2 RBD–ACE2-Binding Process Based on MD and the 3D-RISM Theory

    Norio Yoshida, Yutaka Maruyama, Ayori Mitsutake, Akiyoshi Kuroda, Ryo Fujiki, Kodai Kanemaru, Daisuke Okamoto, Alexander E. Kobryn, Sergey Gusarov, Haruyuki Nakano

    Journal of Chemical Information and Modeling   62 ( 11 )   2889 - 2898   2022.6

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    Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society ({ACS})  

    DOI: 10.1021/acs.jcim.2c00192

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  • Structural Stability Analysis of Proteins Using End-to-End Distance: A 3D-RISM Approach

    Yutaka Maruyama, Ayori Mitsutake

    J   5 ( 1 )   114 - 125   2022.2

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    Publishing type:Research paper (scientific journal)   Publisher:MDPI AG  

    The stability of a protein is determined from its properties and surrounding solvent. In our previous study, the total energy as a sum of the conformational and solvation free energies was demonstrated to be an appropriate energy function for evaluating the stability of a protein in a protein folding system. We plotted the various energies against the root mean square deviation, required as a reference structure. Herein, we replotted the various energies against the end-to-end distance between the N- and C-termini, which is not a required reference and is experimentally measurable. The solvation free energies for all proteins tend to be low as the end-to-end distance increases, whereas the conformational energies tend to be low as the end-to-end distance decreases. The end-to-end distance is one of interesting measures to study the behavior of proteins.

    DOI: 10.3390/j5010009

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  • Molecular Dynamics Simulations for the Determination of the Characteristic Structural Differences between Inactive and Active States of Wild Type and Mutants of the Orexin2 Receptor. International journal

    Shun Yokoi, Ayori Mitsutake

    The journal of physical chemistry. B   125 ( 17 )   4286 - 4298   2021.5

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    The orexin2 receptor (OX2R), which is classified as a class A G protein-coupled receptor (GPCR), is the target of our study. We performed over 20 several-microsecond-scale molecular dynamics simulations of the wild type and mutants of OX2R to extract the characteristics of the structural changes taking place in the active state. We introduced mutations that exhibited the stable inactive state and the constitutively active state in class A GPCRs. In these simulations, significant characteristic structural changes were observed in the V3096.40Y mutant, which corresponded to a constitutively active mutant. These conformational changes include the outward movement of the transmembrane helix 6 (TM6) and the inward movement of TM7, which are common structural changes in the activation of GPCRs. In addition, we extracted a suitable index for the quantitative evaluation of the active and inactive states of GPCRs, namely, the inter-atomic distance of Cα atoms between x(3.46) and Y(7.53). The structures of the inactive and active states solved by X-ray crystallography and cryo-electron microscopy can be classified using the inter-atomic distance. Furthermore, we clarified that the inward movement of TM7 requires the swapping of M3056.36 on TM6 and L3677.56 on TM7. Finally, we discussed the structural advantages of TM7 inward movement for GPCR activation.

    DOI: 10.1021/acs.jpcb.0c10985

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  • Universal Relation between Instantaneous Diffusivity and Radius of Gyration of Proteins in Aqueous Solution. International journal

    Eiji Yamamoto, Takuma Akimoto, Ayori Mitsutake, Ralf Metzler

    Physical review letters   126 ( 12 )   128101 - 128101   2021.3

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    Protein conformational fluctuations are highly complex and exhibit long-term correlations. Here, molecular dynamics simulations of small proteins demonstrate that these conformational fluctuations directly affect the protein's instantaneous diffusivity D_{I}. We find that the radius of gyration R_{g} of the proteins exhibits 1/f fluctuations that are synchronous with the fluctuations of D_{I}. Our analysis demonstrates the validity of the local Stokes-Einstein-type relation D_{I}∝1/(R_{g}+R_{0}), where R_{0}∼0.3  nm is assumed to be a hydration layer around the protein. From the analysis of different protein types with both strong and weak conformational fluctuations, the validity of the Stokes-Einstein-type relation appears to be a general property.

    DOI: 10.1103/PhysRevLett.126.128101

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  • Mutation-induced change in chignolin stability from pi-turn to alpha-turn

    Yutaka Maruyama, Shunpei Koroku, Misaki Imai, Koh Takeuchi, Ayori Mitsutake

    RSC ADVANCES   10 ( 38 )   22797 - 22808   2020.6

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    DOI: 10.1039/d0ra01148g

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  • Folding pathways of NuG2-a designed mutant of protein G-using relaxation mode analysis Reviewed

    Mitsutake Ayori, Takano Hiroshi

    JOURNAL OF CHEMICAL PHYSICS   151 ( 4 )   2019.7

  • Identification of slow relaxation modes in a protein trimer via positive definite relaxation mode analysis Reviewed

    Karasawa Naoyuki, Mitsutake Ayori, Takano Hiroshi

    JOURNAL OF CHEMICAL PHYSICS   150 ( 8 )   2019.2

  • Analysis of molecular dynamics simulations of 10-residue peptide, chignolin, using statistical mechanics: Relaxation mode analysis and three-dimensional reference interaction site model theory.

    Yutaka Maruyama, Hiroshi Takano, Ayori Mitsutake

    Biophysics and physicobiology   16   407 - 429   2019

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    Molecular dynamics simulation is a fruitful tool for investigating the structural stability, dynamics, and functions of biopolymers at an atomic level. In recent years, simulations can be performed on time scales of the order of milliseconds using special purpose systems. Since the most stable structure, as well as meta-stable structures and intermediate structures, is included in trajectories in long simulations, it is necessary to develop analysis methods for extracting them from trajectories of simulations. For these structures, methods for evaluating the stabilities, including the solvent effect, are also needed. We have developed relaxation mode analysis to investigate dynamics and kinetics of simulations based on statistical mechanics. We have also applied the three-dimensional reference interaction site model theory to investigate stabilities with solvent effects. In this paper, we review the results for designing amino-acid substitution of the 10-residue peptide, chignolin, to stabilize the misfolded structure using these developed analysis methods.

    DOI: 10.2142/biophysico.16.0_407

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  • Conformational change of a biomolecule studied by the weighted ensemble method: Use of the diffusion map method to extract reaction coordinates Reviewed International journal

    Fujisaki Hiroshi, Moritsugu Kei, Mitsutake Ayori, Suetani Hiromichi

    JOURNAL OF CHEMICAL PHYSICS   149 ( 13 )   134112 - 134112   2018.10

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    DOI: 10.1063/1.5049420

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  • Analysis of Structural Stability of Chignolin Reviewed

    Yutaka Maruyama, Ayori Mitsutake

    Journal of Physical Chemistry B   122 ( 14 )   3801 - 3814   2018.4

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    DOI: 10.1021/acs.jpcb.8b00288

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  • Relaxation mode analysis for molecular dynamics simulations of proteins Invited

    Ayori Mitsutake, Hiroshi Takano

    Biophysical Reviews   10 ( 2 )   375 - 389   2018.4

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer Verlag  

    DOI: 10.1007/s12551-018-0406-7

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  • Application of reference-modified density functional theory: Temperature and pressure dependences of solvation free energy Reviewed

    Tomonari Sumi, Yutaka Maruyama, Ayori Mitsutake, Kenji Mochizuki, Kenichiro Koga

    JOURNAL OF COMPUTATIONAL CHEMISTRY   39 ( 4 )   202 - 216   2018.2

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    DOI: 10.1002/jcc.25101

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  • Dynamical Analysis Methods for Protein Folding Simulations

    Mitsutake Ayori, Takano Hiroshi

    BIOPHYSICAL JOURNAL   114 ( 3 )   45A   2018.2

  • Two-step relaxation mode analysis with multiple evolution times applied to all-atom molecular dynamics protein simulation Reviewed

    N. Karasawa, A. Mitsutake, H. Takano

    PHYSICAL REVIEW E   96 ( 6 )   2017.12

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    DOI: 10.1103/PhysRevE.96.062408

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  • Stability of Unfolded and Folded Protein Structures Using a 3D-RISM with the RMDFT Reviewed

    Yutaka Maruyama, Ayori Mitsutake

    JOURNAL OF PHYSICAL CHEMISTRY B   121 ( 42 )   9881 - 9885   2017.10

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    DOI: 10.1021/acs.jpcb.7b08487

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  • Improved Relaxation Mode Analysis of a Hen Egg-White Lysozyme Protein

    Naoyuki Karasawa, Ayori Mitsutake, Hiroshi Takano

    BIOPHYSICAL JOURNAL   112 ( 3 )   353A - 353A   2017.2

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  • A reference-modified density functional theory: An application to solvation free-energy calculations for a Lennard-Jones solution Reviewed

    Tomonari Sumi, Yutaka Maruyama, Ayori Mitsutake, Kenichiro Koga

    JOURNAL OF CHEMICAL PHYSICS   144 ( 22 )   224104   2016.6

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    DOI: 10.1063/1.4953191

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  • Investigating Kinetics of Conformational Change using Molecular Dynamics and Milestoning

    Hiroshi Fujisaki, Ayori Mitsutake

    BIOPHYSICAL JOURNAL   110 ( 3 )   523A - 523A   2016.2

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  • Relaxation mode analysis and Markov state relaxation mode analysis for chignolin in aqueous solution near a transition temperature Reviewed

    Ayori Mitsutake, Hiroshi Takano

    JOURNAL OF CHEMICAL PHYSICS   143 ( 12 )   124111   2015.9

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    DOI: 10.1063/1.4931813

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  • A solvation-free-energy functional: A reference-modified density functional formulation Reviewed

    Tomonari Sumi, Ayori Mitsutake, Yutaka Maruyama

    JOURNAL OF COMPUTATIONAL CHEMISTRY   36 ( 18 )   1359 - 1369   2015.7

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    DOI: 10.1002/jcc.23942

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  • 19aCT-7 Relaxation mode analysis for small protein simulations IV

    Mitsutake Ayori, Takano Hiroshi

    Meeting Abstracts of the Physical Society of Japan   70   3018 - 3018   2015

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    Language:Japanese   Publisher:The Physical Society of Japan (JPS)  

    DOI: 10.11316/jpsgaiyo.70.2.0_3018

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  • Erratum: “A solvation-Free-Energy Functional: A Reference-Modified Density Functional Formulation" [J. Comput. Chem. 2015, 36, 1359–1369] Reviewed

    Tomonari Sumi, Ayori Mitsutake, Yutaka Maruyama

    J. Comput. Chem.   36   2009 - 2011   2015

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  • 23pAA-3 Relaxation mode analysis for small protein simulations III

    Mitsutake Ayori, Takano Hiroshi

    Meeting Abstracts of the Physical Society of Japan   70   3376 - 3376   2015

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    Language:Japanese   Publisher:The Physical Society of Japan (JPS)  

    DOI: 10.11316/jpsgaiyo.70.1.0_3376

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  • Liquid-solid and solid-solid phase transition of monolayer water: High-density rhombic monolayer ice Reviewed

    Toshihiro Kaneko, Jaeil Bai, Kenji Yasuoka, Ayori Mitsutake, Xiao Cheng Zeng

    JOURNAL OF CHEMICAL PHYSICS   140 ( 18 )   184507   2014.5

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    DOI: 10.1063/1.4874696

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  • Relaxation Mode Analysis for a Peptide

    Ayori Mitsutake

    BIOPHYSICAL JOURNAL   106 ( 2 )   405A - 405A   2014.1

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  • 1P022 Relaxation Mode Analysis of Chignolin at Transition Temperature(Protein: Structure & Function,Poster,The 52th Annual Meeting of the Biophysical Society of Japan(BSJ2014))

    Ayori Mitsutake, Hiroshi Takano

    Seibutsu Butsuri   54 ( 1 )   S144   2014

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    Language:English   Publisher:The Biophysical Society of Japan General Incorporated Association  

    DOI: 10.2142/biophys.54.S144_4

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  • New Computational Approach to Determine Liquid-Solid Phase Equilibria of Water Confined to Slit Nanopores

    Toshihiro Kaneko, Jaeil Bai, Kenji Yasuoka, Ayori Mitsutake, Xiao Cheng Zeng

    JOURNAL OF CHEMICAL THEORY AND COMPUTATION   9 ( 8 )   3299 - 3310   2013.8

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    DOI: 10.1021/ct400221h

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  • Principal Component Relaxation Mode Analysis of an All-Atom Molecular Dynamics Simulation of Human Lysozyme Reviewed

    Toshiki Nagai, Ayori Mitsutake, Hiroshi Takanoy

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   82 ( 2 )   023803   2013.2

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    DOI: 10.7566/JPSJ.82.023803

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  • Effective sampling algorithms and analysis method for biomolecular simulations Reviewed

    Ayori Mitsutake

    4TH INTERNATIONAL SYMPOSIUM ON SLOW DYNAMICS IN COMPLEX SYSTEMS: KEEP GOING TOHOKU   1518   598 - 601   2013

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    DOI: 10.1063/1.4794640

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  • Multibaric-Multithermal Ensemble Study of Liquid-Solid Phase Transition in Lennard-Jones Particles

    Toshihiro Kaneko, Ayori Mitsutake, Kenji Yasuoka

    JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN   81   SA014   2012.9

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  • 2B1424 Relaxation mode analysis for simulations of protein systems(Proteins:Structure & Function II:Theory, Aggregation,Oral Presentation,The 50th Annual Meeting of the Biophysical Society of Japan)

    Mitsutake Ayori, Nagai Toshiki, Takano Hiroshi

    Seibutsu Butsuri   52   S40   2012

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    Language:English   Publisher:The Biophysical Society of Japan General Incorporated Association  

    DOI: 10.2142/biophys.52.S40_3

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  • Relaxation mode analysis of a peptide system: Comparison with principal component analysis

    Ayori Mitsutake, Hiromitsu Iijima, Hiroshi Takano

    JOURNAL OF CHEMICAL PHYSICS   135 ( 16 )   164102(15 pages)   2011.10

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    DOI: 10.1063/1.3652959

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  • Size-Dependent Phase Changes in Water Clusters

    Toshihiro Kaneko, Takuma Akimoto, Kenji Yasuoka, Ayori Mitsutake, Xiao Cheng Zeng

    JOURNAL OF CHEMICAL THEORY AND COMPUTATION   7 ( 10 )   3083 - 3087   2011.10

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    DOI: 10.1021/ct200458m

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  • Generalized-ensemble simulations in protein science Invited

    Yoshiharu Mori, MITSUTAKE AYORI, Yuko Okamoto

    Proceedings of MSSMBS 10, edited by K.Kholmurodov/The 4th Japan-Russia International Workshop MSSMBS' 10:Molecular Simulations Studies in Material and Biological Sciences   46-60   2011.9

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    Language:English   Publishing type:Research paper (conference, symposium, etc.)   Publisher:Nova Science, Hauppauge  

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  • 蛋白質系の拡張アンサンブルシミュレーション Invited

    MITSUTAKE AYORI

    CAMMフォーラム   2011.6

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  • MULTICANONICAL MOLECULAR DYNAMICS SIMULATION STUDY OF THE LIQUID-SOLID AND SOLID-SOLID TRANSITIONS IN LENNARD-JONSE CLUSTERS Reviewed

    Toshihiro Kaneko, Kenji Yasuoka, Ayori Mitsutake, Xiao Cheng Zeng

    PROCEEDINGS OF THE ASME/JSME 8TH THERMAL ENGINEERING JOINT CONFERENCE 2011, VOL 3   565 - +   2011

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  • 多変数拡張アンサンブル法

    MITSUTAKE AYORI

    分子シミュレーション研究会会誌「アンサンブル」   12 ( 2 )   29-35   2010.4

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    DOI: 10.11436/mssj.12.2_29

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  • Multi-dimensional multicanonical algorithm, simulated tempering, replica-exchange method, and all that Invited Reviewed

    Ayori Mitsutake, Yoshiharu Mori, Yuko Okamoto

    RECENT DEVELOPMENTS IN COMPUTER SIMULATION STUDIES IN CONDENSED MATTER PHYSICS   4   89 - 105   2010

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    DOI: 10.1016/j.phpro.2010.08.012

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  • 3P043 Relaxation Mode Analysis of a protein using a Molecular Dynamics Simulation(Protein: Structure & Function,The 48th Annual Meeting of the Biophysical Society of Japan)

    Nagai Toshiki, Mitsutake Ayori, Takano Hiroshi

    Seibutsu Butsuri   50 ( 2 )   S152   2010

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    Language:English   Publisher:The Biophysical Society of Japan General Incorporated Association  

    DOI: 10.2142/biophys.50.S152_4

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  • Simulated-tempering replica-exchange method for the multidimensional version Reviewed

    Ayori Mitsutake

    JOURNAL OF CHEMICAL PHYSICS   131 ( 9 )   094105   2009.9

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    DOI: 10.1063/1.3204443

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  • Multidimensional generalized-ensemble algorithms for complex systems Reviewed

    Ayori Mitsutake, Yuko Okamoto

    JOURNAL OF CHEMICAL PHYSICS   130 ( 21 )   214105   2009.6

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    DOI: 10.1063/1.3127783

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  • From multidimensional replica-exchange method to multidimensional multicanonical algorithm and simulated tempering Reviewed

    Ayori Mitsutake, Yuko Okamoto

    Physical Review E - Statistical, Nonlinear, and Soft Matter Physics   79 ( 4 )   2009.4

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    DOI: 10.1103/PhysRevE.79.047701

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  • From multidimensional replica-exchange method to multidimensional multicanonical algorithm and simulated tempering Reviewed

    Ayori Mitsutake, Yuko Okamoto

    PHYSICAL REVIEW E   79 ( 4 )   047701   2009.4

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    DOI: 10.1103/PhysRevE.79.047701

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  • 1P-066 Relaxation Mode Analysis of a Biopolymer System by Molecular Dynamics(Protein:Measurement & Analysis, The 47th Annual Meeting of the Biophysical Society of Japan)

    Nagai Toshiki, Mitsutake Ayori, Takano Hiroshi

    Seibutsu Butsuri   49   S73   2009

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    Language:English   Publisher:The Biophysical Society of Japan General Incorporated Association  

    DOI: 10.2142/biophys.49.S73_3

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  • Generalized-ensemble algorithms for protein folding simulations Reviewed

    Yuji Sugita, Ayori Mitsutake, Yuko Okamoto

    Lecture Notes in Physics   736   369 - 407   2008

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:Springer-Verlag, Berlin  

    DOI: 10.1007/978-3-540-74029-2_14

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  • Combination of generalized-ensemble algorithms and one-dimensional reference interaction site model theory Reviewed

    A. Mitsutake, M. Kinoshita, F. Hirata, Y. Okamoto

    CONDENSED MATTER PHYSICS   10 ( 4 )   495 - 508   2007

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  • 拡張アンサンブル入門IV Reviewed

    光武 亜代理

    分子シミュレーション研究会会誌「アンサンブル」   8 ( 2 )   8-15   2006

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    DOI: 10.11436/mssj1998.8.8

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  • 拡張アンサンブル入門V Reviewed

    光武 亜代理

    分子シミュレーション研究会会誌「アンサンブル」   8 ( 4 )   39-49   2006

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    Language:Japanese   Publishing type:Research paper (scientific journal)  

    DOI: 10.11436/mssj1998.8.36_39

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  • Generalized-ensemble simulations of biomoleculer systems Reviewed

    A. Mitsutake

    BIOPHYSICAL JOURNAL   88 ( 1 )   513A - 513A   2005.1

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  • 拡張アンサンブル入門II Reviewed

    MITSUTAKE AYORI

    分子シミュレーション研究会会誌「アンサンブル」   7 ( 3 )   2-10   2005

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  • 拡張アンサンブル入門III Reviewed

    光武 亜代理

    分子シミュレーション研究会会誌「アンサンブル」   7 ( 4 )   25-32   2005

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    DOI: 10.11436/mssj1998.7.32_25

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  • 拡張アンサンブル入門I Reviewed

    光武 亜代理

    分子シミュレーション研究会会誌「アンサンブル」   7 ( 2 )   11-17   2005

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    DOI: 10.11436/mssj1998.7.30_11

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  • Combination of the replica-exchange Monte Carlo method and the reference interaction site model theory for simulating a peptide molecule in aqueous solution Reviewed

    A. Mitsutake, M Kinoshita, Y Okamoto, F Hirata

    JOURNAL OF PHYSICAL CHEMISTRY B   108 ( 49 )   19002 - 19012   2004.12

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    DOI: 10.1021/jp047824d

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  • Replica-exchange extensions of simulated tempering method Reviewed

    A. Mitsutake, Y Okamoto

    JOURNAL OF CHEMICAL PHYSICS   121 ( 6 )   2491 - 2504   2004.8

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    DOI: 10.1063/1.1766015

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  • Generalized-ensemble Monte Carlo algorithms for simulations of proteins Reviewed

    A. Mitsutake, Y Sugita, Y Okamoto

    SLOW DYNAMICS IN COMPLEX SYSTEMS   708   350 - 351   2004

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  • Molecular dynamics of C-peptide of ribonuclease A studied by replica-exchange Monte Carlo method and diffusion theory Reviewed

    G La Penna, A. Mitsutake, M Masuya, Y Okamoto

    CHEMICAL PHYSICS LETTERS   380 ( 5-6 )   609 - 619   2003.10

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    DOI: 10.1016/j.cplett.2003.07.031

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  • Replica-exchange multicanonical and multicanonical replica-exchange Monte Carlo simulations of peptides. I. Formulation and benchmark test Reviewed

    A. Mitsutake, Y Sugita, Y Okamoto

    JOURNAL OF CHEMICAL PHYSICS   118 ( 14 )   6664 - 6675   2003.4

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    DOI: 10.1063/1.1555847

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  • Replica-exchange multicanonical and multicanonical replica-exchange Monte Carlo simulations of peptides. II. Application to a more complex system Reviewed

    A. Mitsutake, Y Sugita, Y Okamoto

    JOURNAL OF CHEMICAL PHYSICS   118 ( 14 )   6676 - 6688   2003.4

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    DOI: 10.1063/1.1555849

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  • Analysis of C-peptide of ribonuclease A studied by replica-exchange Monte Carlo method and diffusion theory

    Mitsutake A., Penna Giovanni, Okamoto Y.

    Seibutsu Butsuri   43   S92   2003

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    DOI: 10.2142/biophys.43.S92_3

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  • Generalized-ensemble simulations of spin systems and protein systems Reviewed

    T Nagasima, Y Sugita, A. Mitsutake, Y Okamoto

    COMPUTER PHYSICS COMMUNICATIONS   146 ( 1 )   69 - 76   2002.6

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    DOI: 10.1016/S0010-4655(02)00436-8

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  • A pH-Dependent variation in alpha-helix structure of the S-peptide of ribonuclease A studied by Monte Carlo simulated annealing Reviewed

    T Nakazawa, S Ban, Y Okuda, M Masuya, A. Mitsutake, Y Okamoto

    BIOPOLYMERS   63 ( 4 )   273 - 279   2002.4

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    DOI: 10.1002/bip.10055

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  • 1J1615 Replica-exchange Monte Carlo Simulation of Met-enkephalin including solvation effects based on RISM theory

    Mitsutake A., Kinosita M., Okamoto Y., Hirata F.

    Seibutsu Butsuri   42 ( 2 )   S58   2002

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    DOI: 10.2142/biophys.42.S58_3

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  • Generalized-ensemble algorithms for molecular simulations of biopolymers Reviewed

    A. Mitsutake, Y Sugita, Y Okamoto

    BIOPOLYMERS   60 ( 2 )   96 - 123   2001

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    DOI: 10.1002/1097-0282(2001)60:2<96::AID-BIP1007>3.0.CO;2-F

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  • 拡張アンサンブル法によるタンパク質の折り畳みシミュレーション Reviewed

    杉田有治, 光武亜代理, 岡本祐幸

    日本物理学会誌   56 ( 8 )   591-599 - 599   2001

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    DOI: 10.11316/butsuri1946.56.591

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  • Prediction of the tertiary structure of the S-peptide of RNase A by Monte Carlo simulated annealing and its assessment by NMR in solution

    Nakazawa T., Okuda Y., Yoshida T., Kobayashi Y., Mitsutake A., Okamoto Y.

    Seibutsu Butsuri   41   S110   2001

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    DOI: 10.2142/biophys.41.S110_3

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  • Generalized-ensemble Monte Carlo simulations of peptides Reviewed

    A. Mitsutake

    物性研究   76   840-847   2001

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  • Generalized ensemble simulation of protein G in model solvent

    Mitsutake A, Sugita Y, Okamoto Y

    Seibutsu Butsuri   41   S174   2001

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    DOI: 10.2142/biophys.41.S174_3

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  • Replica-exchange simulated tempering method for simulations of frustrated systems Reviewed

    A. Mitsutake, Y Okamoto

    CHEMICAL PHYSICS LETTERS   332 ( 1-2 )   131 - 138   2000.12

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    DOI: 10.1016/S0009-2614(00)01262-8

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  • Multicanonical algorithm combined with the RISM theory for simulating peptides in aqueous solution Reviewed

    A. Mitsutake, M Kinoshita, Y Okamoto, F Hirata

    CHEMICAL PHYSICS LETTERS   329 ( 3-4 )   295 - 303   2000.10

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    DOI: 10.1016/S0009-2614(00)01018-6

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  • 徐冷モンテカルロ法によるヒト副甲状腺ホルモン断片のα-ヘリックス構造形成機構の研究

    奥田 有香, 升屋 正人, 光武 亜代理, 岡本 祐幸, 中沢 隆

    生物物理   40 ( Suppl.1 )   S18 - S18   2000.8

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  • Helix-coil transitions of amino-acid homo-oligomers in aqueous solution studied by multicanonical simulations Reviewed

    Ayori Mitsutake, Yuko Okamoto

    Journal of Chemical Physics   112 ( 23 )   10638 - 10647   2000.6

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    DOI: 10.1063/1.481697

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  • Classification of low-energy conformations of met-enkephalin in the gas phase and in a model solvent based on the extended scaled particle theory Reviewed

    A. Mitsutake, M Irisa, Y Okamoto, F Hirata

    BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN   72 ( 8 )   1717 - 1729   1999.8

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    DOI: 10.1246/bcsj.72.1717

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  • alpha-Helix propensities of homo-oligomers in aqueous solution studied by multicanonical algorithm Reviewed

    A Mitsutake, Y Okamoto

    CHEMICAL PHYSICS LETTERS   309 ( 1-2 )   95 - 100   1999.8

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    DOI: 10.1016/S0009-2614(99)00661-2

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  • 3PA037 マルチカノニカル法による小ペプチド系の2次構造形成シミュレーション

    光武 亜代理, 岡本 祐幸

    生物物理   39   S158   1999

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    DOI: 10.2142/biophys.39.S158_1

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  • Temperature dependence of distributions of conformations of a small peptide Reviewed

    A. Mitsutake, UHE Hansmann, Y Okamoto

    JOURNAL OF MOLECULAR GRAPHICS & MODELLING   16 ( 4-6 )   226 - +   1998.8

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    DOI: 10.1016/S1093-3263(99)00013-3

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  • A method for calculating the eigenvalues of large Hermitian matrices by second-order recursion formulae Reviewed

    A. Mitsutake, T Iitaka, Y Okamoto

    COMPUTER PHYSICS COMMUNICATIONS   96 ( 2-3 )   217 - 231   1996.8

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Books

  • Biomolecular Simulations: Methods and Protocols

    A. Mitsutake, Y. Mori, Y. Okamoto( Role: Joint author)

    2012 

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  • Characteristic structural difference between inactive and active states of orexin 2 receptor determined using molecular dynamics simulations

    Shun Yokoi, Ayori Mitsutake

    Biophysical Reviews   2021

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    DOI: 10.1007/s12551-021-00862-1

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  • How can we extract reaction coordinates from molecular dynamics simulations of biomolecules?

    Fujisaki Hiroshi, Suetani Hiromichi, Mitsutake Ayori

    Meeting Abstracts of the Physical Society of Japan   72 ( 0 )   3237 - 3237   2017

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    &lt;p&gt;生体分子の機能を調べるためには構造変化のダイナミクス、特にその分子的な詳細を調べなければならない。現在は計算機も高速になり、小さな系であれば構造変化をサンプルすることも可能になりつつあるが、その際にどの反応座標で反応を解析するかということに関してはまだ経験的であり、最適な手法は見つかっていない。ここでは拡散マップ法を用いて、転移温度上のシニョリンのダイナミクスから、どのように反応座標が抜き出されるか調べたい。&lt;/p&gt;

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  • 19pBW-11 Rate calculations for conformational change of biomolecules using the milestoning method

    Fujisaki Hiroshi, Mitsutake Ayori

    Meeting Abstracts of the Physical Society of Japan   71 ( 0 )   3181 - 3181   2016

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    DOI: 10.11316/jpsgaiyo.71.1.0_3181

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  • Effective Sampling Algorithms and Analysis Methods for Molecular Simlations of Proteins Invited Reviewed

    MITSUTAKE AYORI

    日本物理学会学会誌   70 ( 3 )   194 - 199   2015.3

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    We have studied folding and dynamics of proteins by using computer simulations. For complex systems such as proteins, simulations tend to get trapped in a few of a huge number of local-minimum energy states. To overcome this multiple minima problem, we have developed generalized-ensemble algorithms. On the other hand, as longer and larger MD regular simulations are performed, it is more important to develop analysis methods to extract the "essential" movements of proteins from simulations. Relaxation mode analysis has been developed to investigate "dynamic" properties of homo-polymer systems. Recently, we have applied the method to protein, hetero-polymer systems. Here, we introduce these methods to investigate protein stability and dynamics using molecular simulations.

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  • 27pAB-11 Phase Transition of Water Confined in Slit Pores

    Kaneko Toshihiro, Bai Jaeil, Yasuoka Kenji, Mitsutake Ayori, Zeng Xiao Cheng

    Meeting abstracts of the Physical Society of Japan   69 ( 1 )   397 - 397   2014.3

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  • 30pAA-8 Relaxation mode analysis for small protein simulations

    Mitsutake Ayori, Koizumi Yuta, Nagai Toshiki, Takano Hiroshi

    Meeting abstracts of the Physical Society of Japan   69 ( 1 )   437 - 437   2014.3

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  • 30pAA-3 Molecular Dynamics SImulations of Equine Apomyoglobin at Low Temperatures

    Suguri Sho, Mitsutake Ayori, Takano Hiroshi

    Meeting abstracts of the Physical Society of Japan   69 ( 1 )   436 - 436   2014.3

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  • 学術賞受賞寄稿「多次元焼き戻し法の開発及び緩和モード解析とWHAM法の一般化による構造解析法の開発」 Invited Reviewed

    MITSUTAKE AYORI

    分子シミュレーション研究会会誌"アンサンブル"   16 ( 1 )   1 - 6   2014.2

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    DOI: 10.11436/mssj.16.1

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  • 27aXZC-6 Static and Dynamic Properties of Structural Fluctuations in Homologous Proteins

    KOIZUMI Yuta, MITSUTAKE Ayori, TAKANO Hiroshi

    Meeting abstracts of the Physical Society of Japan   68 ( 1 )   433 - 433   2013.3

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  • 27pXZD-3 Effective generalized-ensemble algorithms and analysis methods for biomolecular simulations

    Mitsutake Ayori

    Meeting abstracts of the Physical Society of Japan   68 ( 1 )   437 - 437   2013.3

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  • 20pAB-5 Relaxation Mode Analysis of Homologous Proteins

    KOIZUMI Yuta, MITSUTAKE Ayori, TAKANO Hiroshi

    Meeting abstracts of the Physical Society of Japan   67 ( 2 )   337 - 337   2012.8

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  • 27aPS-82 Generelized-ensemble simulations of small proteins

    Mitsutake A., Sugita Y., Okamoto Y.

    Meeting abstracts of the Physical Society of Japan   57 ( 1 )   299 - 299   2002.3

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  • Generalized-ensemble simulations of Potts model systems

    Nagasima Takehiro, Sugita Yuji, Mitsutake Ayori, Okamoto Yuko

    Meeting abstracts of the Physical Society of Japan   56 ( 1 )   228 - 228   2001.3

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  • “RISM理論を用いたMet-enkephalinのマルチカノニカルシミュレーション”

    光武亜代理, 木下正弘, 岡本祐幸, 平田文男

    1C1100,日本生物物理学会第38回年会予稿集(2000).   2000

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  • Solvent Effects on Conformational Stability of Peptide and on Folding

    F. Hirata, A. Mitsutake, M. Kinoshita, Y. Okamoto

    Annual Conference on the Physical Chemistry of Liquids: Molecules - Macromolecules - Biomolecules,L54   2000

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  • Simulated annealing study of α-helix forming tendency of a β-lactoglobulin fragment

    Mitsutake A., Irisa M., Okamoto Y., Hirata F.

    Biophysics   38 ( 2 )   S22   1998.9

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  • 3a-G-8 Calculating the eigenvalues of large Hermitian matrices by second-order difference equations

    Mitsutake A, Iitaka T., Okamoto Y.

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   51 ( 4 )   110 - 110   1996.3

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  • 31a-P-4 Multicanonical study of the three-dimensional structures of a peptide with solvatoin free energy included a la extended scaled particle theory

    Irisa M., Hansmann U., Mitsutake A., Okamoto Y., Hirata F.

    Abstracts of the meeting of the Physical Society of Japan. Annual meeting   51 ( 3 )   562 - 562   1996.3

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Presentations

  • リングポリマーブラシの静的・動的特性

    川島聡, 高野宏, 光武 亜代理

    日本物理学会2017年年次大会  2017.3  日本物理学会

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    Venue:大阪府豊中市 大阪大学  

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  • 分子動力学法を用いたタンパク質の緩和モード解析II

    唐澤直之, 光武亜代理, 高野宏

    日本物理学会2017年年次大会  2017.3  日本物理学会

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    Venue:大阪府豊中市 大阪大学  

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  • 緩和モード解析による200残基程度の蛋白質のマイクロ秒程度の分子シミュレーションの動的解析

    光武亜代理, 竹内恒, 高野宏

    日本物理学会2017年年次大会  2017.3  日本物理学会

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    Venue:大阪府豊中市 大阪大学  

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  • 生体分子の分子シミュレーションから反応座標をどう抜き出すか?

    藤崎弘士, 末谷大道, 光武亜代理

    日本物理学会2017年年次大会  2017.3  日本物理学会

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    Venue:大阪府豊中市 大阪大学  

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  • Improved Relaxation Mode Analysis of a Hen Egg-white Lysozyme Protein International conference

    KARASAWA NAOYUKI, MITSUTAKE AYORI, TAKANO HIROSHI

    Biophysical Society 61st Annual Meeting  2017.2 

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    Venue:New Orleans, LA. U.S.A.  

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  • Investigating Dynamics and Kinetics of Proteins by using Relaxation Mode Analysis Invited International conference

    MITSUTAKE AYORI

    The Third Korean-Polish Conference on "Protein Folding: Theoretical and Experimental Approaches", Korea  2017.2 

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    Venue:Korea  

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  • Slow Relaxation Dynamics of Hen Egg-White Lysozyme Extracted by Relaxation Mode Analysis International conference

    "The Third Korean-Polish Conference on "Protein Folding: Theoretical and Experimental Approaches",Korea  2017.2 

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    Venue:Korea  

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  • Relaxation Mode Analysis for Molecular Simulations of Proteins Invited International conference

    MITSUTAKE AYORI

    JST-Bay Area Structural Biology Workshop, U.S.  2017.1 

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    Venue:Stanford, CA. U.S.A.  

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  • 緩和モード解析を用いた蛋白質のダイナミクスの研究

    光武 亜代理, 高野宏

    第30回 分子シミュレーション討論会  2016.12  分子シミュレーション研究会

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    Venue:大阪府豊中市 大阪大学  

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  • 緩和モード解析による蛋白質系の遅い緩和ダイナミクスの抽出

    唐澤直之, 光武亜代理, 高野宏

    第30回 分子シミュレーション討論会  2016.11  分子シミュレーション研究会

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    Venue:大阪府豊中市 大阪大学  

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  • Relaxation mode analysis for long time simulations of proteins International conference

    MITSUTAKE AYORI, TAKANO HIROSHI

    The 54th Annual Meeting of the BSJ  2016.11  日本生物物理学会

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    Venue:茨城県つくば市 つくば国際会議場  

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  • Dynamical analysis of protein simulations by using two-step relaxation mode analysis International conference

    KARASAWA NAOYUKI, MITUTAKE AYORI, TAKANO HIROSHI

    The 54th Annual Meeting of the BSJ  2016.11  日本生物物理学会

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    Venue:茨城県つくば市 つくば国際会議場  

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  • 分子動力学法を用いたタンパク質の緩和モード解析II

    唐澤直之, 光武亜代理, 高野宏

    日本物理学会2016年秋季大会  2016.9  日本物理学会

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    Venue:金沢市 金沢大学  

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  • Two-step relaxation mode analysis with multiple evolution times of an all-atom molecular dynamics simulation of a protein International conference

    KARASAWA NAOYUKI, MITSUTAKE AYORI, TAKANO HIROSHI

    International union of pure and applied physics 26th international conference on statistical physics  2016.7 

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  • 改良された緩和モード解析によるたんぱく質シミュレーションの動的解析 Invited

    唐澤直之, 光武亜代理, 高野宏

    第16回日本蛋白質科学会年会  2016.6  日本蛋白質科学会

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    Venue:福岡市 福岡国際会議場  

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  • 緩和モード解析による蛋白質のダイナミクスの解析

    光武亜代理, 高野宏

    第16回日本蛋白質科学会年会  2016.6  日本蛋白質科学会

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    Venue:福岡市 福岡国際会議場  

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  • 生体分子における構造変化遷移レートのマイルストーン法を用いた計算

    FUJISAKI HIROSHI, MITSUTAKE AYORI

    日本物理学会 第71回年次大会2016年  2016.3  日本物理学会

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    Venue:仙台市 東北学院大学  

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  • 分子動力を用いたタンパク質の緩和モード解析

    KARASAWA NAOYUKI, MITSUTAKE AYORI, TAKANO HIROSHI

    日本物理学会 第71回年次大会2016年  2016.3  日本物理学会

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    Venue:仙台市 東北学院大学  

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  • Investigating kinetics of conformational change using molecular dynamics and milestoning International conference

    FUJISAKI HIROSHI, MITSUTAKE AYORI

    Biophysical Society 60th Annual Meeting 2016  2016.3  Biophysical Society

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    Venue:Los Angeles, California, U.S.A.  

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  • Relaxation mode analysis for protein simulations International conference

    MITSUTAKE AYORI, TAKANO HIROSHI

    Biophysical Society 60th Annual Meeting 2016  2016.2  Biophysical Society

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    Venue:Los Angeles, California, U.S.A.  

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  • 小蛋白質の分子シミュレーションでの緩和モードIV

    MITSUTAKE AYORI, TAKANO HIROSHI

    日本物理学会 2015年秋季大会  2015.9  日本物理学会

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    Venue:吹田市 関西大学  

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  • 緩和モード解析による蛋白質の動的性質の研究

    MITSUTAKE AYORI, TAKANO HIROSHI

    第53回日本生物物理学会年会  2015.9  日本生物物理学会

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    Venue:金沢市 金沢大学  

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  • 緩和モード解析による転移温度付近の10残基のシニョリンのダイナミクス Invited

    MITSUTAKE AYORI, TAKANO HIROSHI

    第53回日本生物物理学会年会  2015.9  日本生物物理学会

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    Venue:金沢市 金沢大学  

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  • タンパク質系の緩和モード解析

    MITSUTAKE AYORI

    第14回関東ソフトマター研究会  2015.8  関東ソフトマター研究会

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    Venue:横浜市 慶應義塾大学 矢上キャンパス  

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  • 緩和モード解析を用いた蛋白質のダイナミクスの研究 Invited

    MITSUTAKE AYORI

    第15回日本蛋白質科学会年会  2015.6 

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    Venue:徳島市 あわぎんホール  

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  • シニョリンの構造安定性解析II

    丸山豊, 光武亜代理

    日本物理学会年会  2015.3  日本物理学会

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    Venue:早稲田大学(東京)  

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  • 小蛋白質の分子シミュレーションでの緩和モード解析III

    光武亜代理, 高野宏

    日本物理学会年会  2015.3  日本物理学会

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    Venue:早稲田大学(東京)  

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  • Dynamics of 10-residue peptide, chignolin at a transition temperature, studied by relaxation mode analysis International conference

    MITSUTAKE AYORI

    Global Environmental System Leaders (GESL) Workshop : Molecular Simulation  2015.3  Keio University

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  • 緩和モード解析によるシニョリンの動的解析性質

    光武亜代理, 高野宏

    分子シミュレーション討論会  2014.11  分子シミュレーション研究会

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    Venue:仙台  

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  • 剛体球参照系を用いた密度汎関数理論に基づく新しい溶媒和自由エネルギー表式

    MITSUTAKE AYORI

    分子シミュレーション討論会  2014.11  分子シミュレーション研究会

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    Venue:仙台  

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  • Exploring Free Energy Surfaces with Generalized-ensemble Algorithms International conference

    Ayori Mitsutake

    Nose30 International Symposium 2014  2014.11 

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    Venue:Keio University  

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  • Analysis for the structural stability of chignolin International conference

    Ayori Mitsutake, Yutaka Maruyama

    Nose30 International Symposium 2014  2014.11 

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    Venue:Keio University  

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  • Relaxation Mode Analysis of Chignolin at Transition Temperature

    Ayori Mitsutake, Hiroshi Takano

    The 52nd Annual Meeting of the BSJ  2014.9  Biophysical Society of Japan

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    Venue:Hokaido  

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  • Effective Sampling Algorithms and Analysis Methods for Protein Simulations Invited International conference

    MITSUTAKE AYORI

    The 14th KIAS Conference on Protein Structure and Function  2014.9 

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    Venue:韓国  

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  • シニョリンの構造安定性解析

    光武 亜代理, 丸山豊

    日本物理学会秋季大会  2014.9  日本物理学会

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    Venue:中部大学(愛知9  

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  • 分子シミュレーションを用いた蛋白質系の緩和モード解析

    MITSUTAKE AYORI

    第13回ソフトマター研究会  2014.8  第13回ソフトマター研究会

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    Venue:首都大  

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  • 緩和モード解析によるシニョリンの動的性質

    光武亜代理, 高野宏

    蛋白質科学会年会  2014.6  蛋白質科学会

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    Venue:横浜  

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  • Chignolin mini-protein folding analysis with MD/3D-RISM method

    光武 亜代理, 丸山豊

    日本蛋白質科学会年会  2014.6  日本蛋白質科学会

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    Venue:横浜  

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  • 小蛋白質の分子シミュレーションでの緩和モード解析II

    MITSUTAKE AYORI

    日本物理学会 第69回年次大会(2014)東海大学、神奈川  2014.3  日本物理学会

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    Venue:神奈川  

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  • 低温におけるウマのアポミオグロビンの分子動力学シミュレーション

    須栗翔, 光武亜代理, 高野宏

    日本物理学会 第69回年次大会  2014.3  日本物理学会

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  • Dynamics of Chignolin Studied by Relaxation Mode Analysis International conference

    Ayori Mitsutake, Hiroshi Takano

    Nagoya Symposium on Depletion Forces: Celebrating the 60th Anniversary of the Asakura-Oosawa Theory (2014) Nagoya, Japan  2014.3  Nagoya University

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    Venue:Nagoya  

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  • Relaxation Mode Analysis for a Peptide Invited International conference

    MITSUTAKE AYORI

    The Biophysical Society 58th Annual Meeting (2014) San Francisco, USA  2014.2 

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  • Relaxation Mode Analysis for Simulations of Proteins International conference

    Ayori Mitsutake, Yuta Koizumi, Toshiki Nagai, Hiroshi Takano

    The 2nd international symposium "Dynamical ordering of biomolecular systems for creation of integrated functions" (2014) Kyoto, Japan  2014.1 

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    Venue:Kyoto, Japan  

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  • Effective Sampling Algorithms and Analysis Methods for Protein Simulations Invited International conference

    MITSUTAKE AYORI

    3rd International Conference on Molecular Simulation (2013), Kobe, Japan  2013.11 

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  • Relaxation Mode Analysis for Biomolecules International conference

    Ayori Mitsutake, Yuta Koizumi, Toshiki Nagai, Hiroshi Takano

    3rd International Conference on Molecular Simulation (2013), Kobe, Japan  2013.11  分子シミュレーション研究会

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    Venue:神戸  

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  • 多変数拡張アンサンブル法とその応用 Invited

    MITSUTAKE AYORI

    計算統計物理学第4回研究会  2013.10  計算統計物理学研究会

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    Venue:山口  

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  • 小蛋白質の分子シミュレーションでの緩和モード解析

    光武亜代理, 小泉祐太, 長井俊樹, 高野宏

    日本物理学会秋季大会  2013.9  日本物理学会

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    Venue:神奈川  

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  • 分子シミュレーションによる相同タンパク質の構造ゆらぎの静的・動的性質

    小泉祐太, 光武亜代理, 高野宏

    第13回日本蛋白質科学会年会  2013.6  日本蛋白質科学会

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  • 生体分子系で有効な拡張アンサンブル法及び構造解析法の開発 Invited

    MITSUTAKE AYORI

    第68回日本物理学会年次大会  2013.3 

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    Venue:広島大学  

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  • Effective sampling algorithms and analysis method for biomolecular simulations International conference

    MITSUTAKE AYORI

    The 4th International Symposium on Slow Dynamics in Complex Systems  2012.12 

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    Venue:Sendai  

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  • 蛋白質系への緩和モード解析の適用

    長井俊樹, 光武亜代理, 高野宏

    第26回分子シミュレーション討論会  2012.11 

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    Venue:福岡  

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  • ナノ細孔中の分子の固液平衡条件を決定するための新規手法の開発

    金子敏宏, Jaeil BAI, 泰岡顕治, 光武亜代理, Xiao Cheng ZENG

    第26回分子シミュレーション討論会  2012.11 

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    Venue:福岡  

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  • 拡張アンサンブル分子動力学法による単純液体の固液相転移温度の推定

    増永充宏, 金子敏宏, 光武亜代理, 泰岡顕治

    第26回分子シミュレーション討論会  2012.11 

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    Venue:福岡  

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  • 相同タンパク質の構造ゆらぎの緩和

    小泉祐太, 光武亜代理, 高野宏

    第26回分子シミュレーション討論会  2012.11 

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    Venue:福岡  

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  • Umbrella sampling法を用いたタンパク質中のリガンド移動メカニズム の解明

    都築峰幸, 光武亜代理, 倭剛久

    第26回分子シミュレーション討論会  2012.11 

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    Venue:福岡  

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  • 分子動力学法を用いた蛋白質の緩和モード解析

    長井俊樹, 光武亜代理, 高野宏

    第50回日本生物物理学会年会  2012.9 

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    Venue:名古屋大学  

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  • 相同タンパク質に対する緩和モード解析

    小泉祐太, 光武亜代理, 高野宏

    日本物理学会第67回秋季大会  2012.9 

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    Venue:横浜国立大学  

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  • Size-Dependent Phase Transitions in TIP4P Water Clusters Investigated by Multicanonical-Ensemble Molecular Dynamics Simulations International conference

    T. Kaneko, T. Akimoto, K. Yasuoka, A. Mitsutake, X. C. Zeng

    Energy Landscapes  2012.8 

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    Venue:Austria  

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  • ヘテロポリマー系の緩和モード解析

    光武亜代理, 長井俊樹, 高野宏

    蛋白質科学会年会  2012.6 

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    Venue:名古屋国際会議場  

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  • 拡張アンサンブル分子動力学法によるスリット型細孔中に閉じ込められた水分子の融点の推定

    MITSUTAKE AYORI

    第49回日本伝熱シンポジウム  2012.5 

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    Venue:富山  

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  • 生体高分子系の緩和モード解析

    光武 亜代理, 長井 俊樹, 飯島 寛允, 高野 宏

    2012年日本物理学会春季大会  2012.3 

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    Venue:関西学院大学  

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  • Exploring Free Energy Landscapes of Proteins with Molecular Simulations International conference

    MITSUTAKE AYORI

    The international conference on statistical mechanics of liquids: from water to biomolecules  2012.2 

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    Venue:Okazaki in Japan  

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  • Development of effective sampling algorithm and analysis method for biomolecular simulations Invited International conference

    MITSUTAKE AYORI

    4th Japan-Korea Seminar on Biomolecular Sciences- Experiments and Simulations  2012.1 

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    Venue:Nara in Japan  

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  • 拡張アンサンブル分子動力学による低分子系の固液相転移現象の研究

    金子 敏宏, 泰岡 顕治, 光武 亜代理, Xiao Cheng ZENG

    第25回分子シミュレーション討論会  2011.11 

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    Venue:東京工業大学  

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  • 多変数シミュレーティッド・テンパリング法の開発

    光武 亜代理

    分子シミュレーション討論会  2011.11 

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    Venue:東京工業大学  

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  • Isobaric-multithermal ensemble simulation of simple liquids confined in slit pores International conference

    Toshihiro Kaneko, Keinji Yasuoka, Ayori Mitsutake, Xiao Cheng Seng

    8th Liquid Matter Conference  2011.9 

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    Venue:Yien in Austria  

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  • Multidimensional simulated-tempering algorithm of a peptide system International conference

    MITSUTAKE AYORI

    The 2nd international symposium on "Multi-scale Simulations of Biological and Soft Materials"  2011.9 

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    Venue:Kyoto in Japan  

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  • 分子クラスターの動的共存現象とサイズ依存性

    金子敏宏, 秋元琢磨, 泰岡顕治, 光武亜代理, Xiao Cheng Zeng

    可視化情報学会全国講演会  2011.9 

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    Venue:富山  

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  • Dynamical coexistence and size dependence of water cluster International conference

    Toshihiro Kaneko, Takuma Akimoto, Kenji Yasuoka, MITSUTAKE AYORI, Xiao Cheng Zeng

    The 5th International Mini-symposium on Liquids  2011.6 

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    Venue:Okayama in Japan  

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  • マルチカノニカル分子動力学法による分子クラスターの転移現象の解明

    金子敏宏, 秋元琢磨, 泰岡顕治, 光武亜代理, Xiao Cheng Zeng

    第24回分子シミュレーション討論会  2010.11 

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    Venue:福井  

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  • ペプチドの主成分解析と緩和モード解析III

    MITSUTAKE AYORI

    日本物理学会2010年秋期大会  2010.9  日本物理学会

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    Venue:大阪府立大学  

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  • Multidimensional Generalized-ensemble Algorithms for Protein Folding and Binding Simulations Invited International conference

    MITSUTAKE AYORI

    The Fourth Shanghai International Conference on Biophysics and Molecular Biology (2010SICBM)  2010.8  Shanghai Society of Biophysics

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    Venue:Shanghai and Jiashan in China  

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  • The melting points of molecular cluster studied by Multicanonical ensemble

    金子敏宏, 泰岡顕治, 光武亜代理, Xiao Cheng Zeng

    The 4th Mini-Symposium on Liquids  2010.6 

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    Venue:福岡  

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  • 物理化学に基づく蛋白質のフォールディングシミュレーション手法と解析手法の開発 Invited

    光武 亜代理

    生物構造学研究会第1回研究会  2010.5 

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    Venue:いばらき量子ビーム研究センター  

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  • 生体高分子の全原子構造に対する緩和モード解析

    長井俊樹, 光武亜代理, 高野宏

    日本物理学会 第65回年次大会  2010.3  日本物理学会

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    Venue:岡山大学  

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  • 多変数シミュレーティッド・テンパリング法の開発

    光武 亜代理, 岡本 祐幸

    次世代ナノ統合シミュレーションソフトウェアの研究開発 第4回 公開シンポジウム  2010.3 

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    Venue:自然科学研究機構  

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  • 拡張アンサンブル分子動力学方によるスリット細孔に閉じ込められたLennard-Joones粒子の固液相転移

    金子敏宏, 美馬俊喜, 光武亜代理, 泰岡顕治

    スーパーコンピュータワークショップ2010 大規模並列分子シミュレーションの最前線  2010.1 

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    Venue:分子科学研究所  

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  • 拡張アンサンブル法を用いた両親媒性ペプチド分子の構造解析

    原知之, 光武 亜代理, 成見 哲, 泰岡顕治

    第23回分子シミュレーション討論会  2009.11 

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    Venue:名古屋市中小企業振興会館【吹上ホール】  

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  • 多変数拡張アンサンブル法の開発

    光武 亜代理, 岡本祐幸

    第23回分子シミュレーション討論会  2009.11 

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    Venue:名古屋市中小企業振興会館【吹上ホール】  

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  • Isobaric-Multithermalアンサンブルによるスリット細孔に閉じ込められたLennard-Jones粒子の固液相転移の解明

    金子 敏宏, 美馬 俊喜, 光武 亜代理, 泰岡顕治

    第23回分子シミュレーション討論会  2009.11 

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    Venue:名古屋市中小企業振興会館【吹上ホール】  

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  • Development of Simulated-Tempering Algorithms for a Multidimensional Version Invited

    MITSUTAKE AYORI

    The 2nd Japan-Korea Seminar on Biomolecular Sciences -Experiments and Simulations-  2009.11 

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    Venue:Nagoya University  

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  • Multi-Dimensional Simulated-Tempering Algorithm for Peptide Systems

    MITSUTAKE AYORI, OKAMOTO YUKO

    The 3rd International symposium on "Molecular Science of Fluctuations toward Biological Functions"  2009.11 

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    Venue:Nagoya University  

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  • Multi-dimensional simulated-tempering replica-exchange simulations of a peptide

    Ayori Mitsutake

    第47回日本生物物理学会年会  2009.10 

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    Venue:徳島文理大学  

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  • Relaxation Mode Analysis of a Biopolymer System by Molecular Dynamics

    Toshiki Nagai, Ayori Mitsutake, Hiroshi Takano

    第47回日本生物物理学会年会  2009.10 

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    Venue:徳島文理大学  

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  • 分子動力学法を用いた生体高分子系の緩和モード解析

    長井俊樹, 光武亜代理, 高野宏

    日本物理学会 2009年秋季大会プログラム  2009.9  日本物理学会

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    Venue:熊本大学  

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  • ペプチドの主成分解析と緩和モード解析II

    光武亜代理, 高野宏

    日本物理学会 2009年秋季大会プログラム  2009.9  日本物理学会

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    Venue:熊本大学  

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  • Multi-dimensional simulated-tempering algorithm for complex systems

    Ayori Mitsutake, Yuko Okamoto

    International Symposium on "Reaction Dynamics of Many-Body Chemical Systems"  2009.6 

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    Language:English   Presentation type:Poster presentation  

    Venue:Kyoto University  

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  • 多変数拡張アンサンブル法によるペプチド系のシミュレーション

    MITSUTAKE AYORI

    第9回日本蛋白質科学会年会  2009.5  日本蛋白質科学会

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    Language:Japanese   Presentation type:Poster presentation  

    Venue:熊本全日空ホテルニュースカイ  

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  • 小蛋白質の折畳みシミュレーション Invited

    MITSUTAKE AYORI

    次世代スーパーコンピュータプロジェクト ナノ分野グランドチャレンジ研究開発 ナノ統合拠点分子科学WG連続研究会 タンパク質制御(フォールディング)  2009.3 

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    Language:Japanese   Presentation type:Oral presentation (invited, special)  

    Venue:東京医科歯科大学  

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  • Generalized-Ensemble Simulations of Small Protein Systems

    MITSUTAKE AYORI

    The 2nd International symposium on "Molecular Science of Fluctuations toward Biological Functions"  2009.3 

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    Language:English   Presentation type:Poster presentation  

    Venue:Institute for Molecular Science  

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  • 拡張焼き戻し法によるペプチド系のシミュレーション

    光武 亜代理, 岡本 祐幸

    次世代ナノ統合シミュレーションソフトウェアの研究開発 第3回 公開シンポジウム  2009.3 

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    Language:Japanese   Presentation type:Poster presentation  

    Venue:自然科学研究機構  

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Awards

  • 学術賞

    2013.11   分子シミュレーション研究会   多次元焼き戻し法の開発及び緩和モード解析とWHAM法の一般化による構造解析法の開発

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    Award type:Award from Japanese society, conference, symposium, etc.  Country/Region:Japan

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  • 物理学会若手奨励賞(領域12)

    2013.3   日本物理学会   生体分子系で有効な拡張アンサンブル法及び構造解析法の開発

    MITSUTAKE AYORI

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    Award type:Award from Japanese society, conference, symposium, etc. 

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Research Projects

  • The mechanism of orexin receptors using molecular dynamics simulations

    Grant number:22H04756  2022.4 - 2024.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)

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    Grant amount:\3380000 ( Direct Cost: \2600000 、 Indirect Cost:\780000 )

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  • 生体分子系の分子シミュレーションと実験の相補的データ解析に向けた協働ネットワークの構築

    2022 - 2023

    科学技術振興機構  国際的な科学技術共同研究などの推進 国際科学技術共同研究推進事業 SICORP ReNewMAP 

    光武 亜代理

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    研究代表者らは、データ解析に緩和モード解析法を導入するなど物理学を基礎とした計算科学の手法をたんぱく質系の分子シミュレーションに応用し、近年は、これらの手法を駆使して、たんぱく質の機能メカニズムの解明に努めている。
    渡航先の研究室では、X線結晶構造解析を主とした構造生物学の研究を行っている。渡航する研究者(博士課程1年)は、渡航先で研究しているたんぱく質の最新の実験データを基に、大規模な分子シミュレーションを実行する。計算と実験を連携させて、対象たんぱく質の機能メカニズムの理解に関する研究を進める。

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    J-GLOBAL

  • Estimation of stability and functional changes due to amino acid substitution using molecular simulations

    Grant number:20H03230  2020.4 - 2025.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

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    Grant amount:\17940000 ( Direct Cost: \13800000 、 Indirect Cost:\4140000 )

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  • Estimation of stability and functional changes due to amino acid substitution using molecular simulations

    Grant number:23K20301  2020.4 - 2025.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research  Grant-in-Aid for Scientific Research (B)

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    Grant amount:\17940000 ( Direct Cost: \13800000 、 Indirect Cost:\4140000 )

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  • Novel characterization of rare events in dynamic data and its application to biological time series

    Grant number:16K00059  2016.4 - 2019.3

    Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)  Grant-in-Aid for Scientific Research (C)

    Fujisaki Hiroshi, Mitsutake Ayori, Moritsugu Kei, Matsunaga Yasuhiro

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    Grant amount:\3640000 ( Direct Cost: \2800000 、 Indirect Cost:\840000 )

    It is a difficult problem to extract rare phenomena called rare events from dynamic data and to characterize them, and similar problems appear when generating data in simulation. When generating a time series of biomolecules by molecular dynamics simulation, structural change between stable states corresponds to a rare event, and the above problem appears. To solve this problem, we here employ a massively parallel computing method called weighted ensemble method. As a specific example, the method was applied to a small protein called chignorin, and it was shown that dynamic structural changes can be efficiently generated. In addition, we could extract reaction coordinates that are important for structural change using the diffusion map method of manifold learning.

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  • 緩和モード解析によるタンパク質構造ダイナミクスの解明

    2013.10 - 2017.3

    Precursory Research for Embryonic Science and Technology 

    光武亜代理

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\40000000

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  • 緩和モード解析による蛋白質の構造揺らぎの動的特徴

    2013.4 - 2014.3

    慶應義塾大学  学事振興資金(個人研究 特B) 

    光武亜代理

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    Authorship:Principal investigator  Grant type:Competitive

    Grant amount:\500000

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  • 多自由度・大規模系における反応と構造空間探索

    2010.9 - 2014.3

    新学術領域研究(研究領域提案型)「コンピュティクスによる物質デザイン:複合相関と非平衡ダイナミクス」  Grant-in-Aid for Scientific Research 

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    Grant type:Competitive

    Grant amount:\800000

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  • 多自由度・大規模系における反応と構造空間探索

    2010.9 - 2014.3

    新学術領域研究(研究領域提案型)「コンピュティクスによる物質デザイン:複合相関と非平衡ダイナミクス」  Grant-in-Aid for Scientific Research 

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    Grant type:Competitive

    Grant amount:\1000000

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  • 物理化学的手法を用いた免疫系のペプチドの分子認識に対するシステムの構築

    2010 - 2011

    KLL指定研究プロジェクト 

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    Grant type:Competitive

    Grant amount:\1000000

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  • 拡張アンサンブル法による生体高分子系のシミュレーション

    2007.4 - 2008.3

    Grant-in-Aid for Scientific Research 

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    Grant type:Competitive

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  • 拡張アンサンブル法を用いた蛋白質の分子認識についてのシミュレーション手法の開発と応用

    2006.4 - 2007.3

    The Science Research Promotion Fund 

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    Grant type:Competitive

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  • 拡張アンサンブル法による蛋白質のフォールディングシミュレーション

    2005.4 - 2006.3

    Keio Gijuku Academic Development Funds 

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    Grant type:Competitive

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  • 拡張アンサンブル法によるタンパク質のフォールディングシミュレーション

    2004.4 - 2006.3

    Grant-in-Aid for Scientific Research 

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    Grant type:Competitive

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  • 生体高分子系の大規模な拡張アンサンブルシミュレーション

    2004.4 - 2005.3

    Keio Gijuku Academic Development Funds 

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    Grant type:Competitive

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  • RISM理論で溶媒効果を取り入れた第一原理からのタンパク質の立体構造予測

    2003.4 - 2005.3

    Grant-in-Aid for Scientific Research 

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    Grant type:Competitive

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  • 生体高分子系の新しい拡張アンサンブル法の開発

    2003.4 - 2004.3

    Keio Gijuku Academic Development Funds 

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    Grant type:Competitive

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  • 拡張アンサンブルシミュレーションを用いた小タンパク質の巻き戻り問題の研究

    2002.4 - 2005.3

    Grant-in-Aid for Scientific Research 

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    Grant type:Competitive

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  • 拡張アンサンブル法を用いた大規模シミュレーションによる生体高分子の研究

    2001.4 - 2002.3

    Keio Gijuku Academic Development Funds 

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    Grant type:Competitive

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Other

  • Organizing Committe (Vice Chair) of International Symposium on Extended Molecular Dynamics and Enhanced Sampling: Nosé Dynamics 30 Years (NOSE30)

    2014.11

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