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Dynamic structure of Protein to be Derived from the Solution Scattering Data

Research Project

Project/Area Number 19740257
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Biophysics/Chemical physics
Research InstitutionThe University of Tokyo

Principal Investigator

JOTI Yasumasa  The University of Tokyo, 分子細胞生物学研究所, 助教 (30360415)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,750,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥450,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2007: ¥1,800,000 (Direct Cost: ¥1,800,000)
Keywords生物物理 / 分子シミュレーション / 実験データ解析 / 蛋白質 / 立体構造ダイナミクス / 溶液散乱
Research Abstract

本研究は、計算機実験を援用して、溶液散乱データに含まれる蛋白質の動的構造情報を抽出することを目的とした。原子レベルの分子シミュレーション結果から、生体分子の中性子・X線溶液散乱データを計算し、通常の実験解析では無視される、原子揺らぎの情報が実験データに含まれていることが明らかになった。また、溶液中性子散乱データの解析から、蛋白質表面水の動的物性が、通常の水と異なることが明らかになった。溶液散乱データから、真の蛋白質構造情報を抽出するためには、揺らぎを考慮した新しい溶液散乱データ解析法が必要である。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (25 results)

All 2009 2008 2007

All Journal Article (13 results) (of which Peer Reviewed: 13 results) Presentation (12 results)

  • [Journal Article] Hydration affects both harmonic and anharmonic nature of protein dynamics2008

    • Author(s)
      H. Nakagawa, Y. Joti, A. Kitao, M. Kataoka
    • Journal Title

      Biophys. J. 95

      Pages: 2916-2923

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Hydration effect on low-frequency protein dynamics observed in simulated neutron scattering spectra2008

    • Author(s)
      Y. Joti, H. Nakagawa, M. Kataoka, A. Kitao
    • Journal Title

      Biophys. J. 94

      Pages: 4435-4443

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Hydration-dependent protein dynamics revealed by molecular dynamics simulation of crystalline Staphylococcal nuclease2008

    • Author(s)
      Y. Joti, H. Nakagawa, M. Kataoka, A. Kitao
    • Journal Title

      Phys. Chem. B 112

      Pages: 3522-3528

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 分子シミュレーションと中性子散乱で探る蛋白質ダイナミクスの水和依存性2008

    • Author(s)
      城地保昌
    • Journal Title

      日本生物物理学会誌 48

      Pages: 342-344

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 非弾性散乱の生物への応用について2008

    • Author(s)
      城地保昌, 中迫雅由, 難波啓一
    • Journal Title

      日本結晶学会誌 50

      Pages: 78-82

    • NAID

      10021085479

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Hydration effects on low-frequency protein dynamics observed in simulated neutron scattering spectra2008

    • Author(s)
      Y. Joti, et.al.
    • Journal Title

      Biophysical Journal 94

      Pages: 4435-4443

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Hydration affects both harmonic and anharmonic nature of protein dynamics2008

    • Author(s)
      H. Nakagawa, et.al.
    • Journal Title

      Biophysical Journal 95

      Pages: 2916-2923

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 分子シミュレーションと中性子散乱で探る蛋白質ダイナミクスの水和依存性2008

    • Author(s)
      城地保昌
    • Journal Title

      日本生物物理学会誌,「生物物理」 48

      Pages: 342-344

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 非弾性散乱の生物への応用について2008

    • Author(s)
      城地 保昌, 中迫 雅由, 難波 啓一
    • Journal Title

      日本結晶学会誌 50

      Pages: 78-82

    • NAID

      10021085479

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Hydration-dependent protein dynamics revealed by molecular dynamics simulation of crystalline Staphylococcal nuclease2008

    • Author(s)
      Y. Joti, H. Nakagawa, M. Kataoka and A. Kitao
    • Journal Title

      Journal of Physical Chemistry B 112

      Pages: 3522-3528

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Hydration effect on low-frequency protein dynamics observed in simulated neutron scattering spectra2008

    • Author(s)
      Y. Joti, H. Nakagawa, M. Kataoka and A. Kitao
    • Journal Title

      Biophysical Journal 94(In press)(掲載確定)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Non-Gaussian behavior of elastic incoherent neutron scattering profiles of proteins studied by molecular dynamics simulation2007

    • Author(s)
      A. Tokuhisa, Y. Joti, H. Nakagawa, A. Kitao, M. Kataoka
    • Journal Title

      Phys. Rev. E 75

      Pages: 41912-41912

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Non-Gaussian behavior of elastic incoherent neutron scattering profiles of proteins studied by molecular dynamics simulation2007

    • Author(s)
      Tokuhisa, A., Joti, Y., Nakagawa, H., Kitao, A., & Kataoka, M.
    • Journal Title

      Physical Review E 75

      Pages: 41912-41912

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Dynamics of Protein Hydration Water Studied from the Simulated Coherent Neutron Scattering Spectra2009

    • Author(s)
      Y. Joti, H. Nakagawa, M. Kataoka, A. Kitao
    • Organizer
      特定領域研究「水と生体分子」成果取りまとめ公開シンポジウム&新学術領域研究「揺らぎと生体機能」第2回公開シンポジウム
    • Place of Presentation
      岡崎カンファレンスセンター
    • Year and Date
      2009-03-17
    • Related Report
      2008 Final Research Report
  • [Presentation] Dynamics of Protein Hydration Water Studied from the Simulated Coherent Neutron Scattering Snectra2009

    • Author(s)
      Y. Joti, et.al.
    • Organizer
      新学術領域研究「揺らぎと生体機能」第2回公開シンポジウム&平成19年度終了特定領域研究「水と生体分子」成果取りまとめ公開シンポジウム
    • Place of Presentation
      岡崎コンラァレンスセンタ
    • Year and Date
      2009-03-17
    • Related Report
      2008 Annual Research Report
  • [Presentation] 分子動力学計算と溶液散乱の組み合わせで探る蛋白質の立体構造変化, 分子シミュレーションと溶液散乱で探る蛋白質の立体構造変化2009

    • Author(s)
      城地保昌, 北尾彰朗
    • Organizer
      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
    • Place of Presentation
      岡崎カンファレンスセンター
    • Year and Date
      2009-03-05
    • Related Report
      2008 Final Research Report
  • [Presentation] 分子動力学計算と溶液散乱の組み合わせで探る蛋白質の立体構造変化2009

    • Author(s)
      城地保昌、他
    • Organizer
      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
    • Place of Presentation
      岡崎コンファレンスセンタ
    • Year and Date
      2009-03-05
    • Related Report
      2008 Annual Research Report
  • [Presentation] 分子シミュレーションと溶液散乱で探る蛋白質の立体構造変化2008

    • Author(s)
      城地保昌, 北尾彰朗
    • Organizer
      第46回生物物理学会年会
    • Place of Presentation
      福岡国際会議場
    • Year and Date
      2008-12-05
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 分子シミュレーションと中性子干渉性散乱による蛋白質表面における水の集団運動の観察2008

    • Author(s)
      城地保昌, 中川洋, 片岡幹雄, 北尾彰朗
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      岩手大学上田キャンパス
    • Year and Date
      2008-09-22
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 分子シミュレーションと溶液散乱で探る蛋白質の立体構造変化2008

    • Author(s)
      城地保昌, 北尾彰朗
    • Organizer
      第8回日本蛋白質科学会年会
    • Place of Presentation
      タワーホール船堀
    • Year and Date
      2008-06-10
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Molecular simulation study to examine the possibility of detecting protein conformational motions by coherent neutron scattering2008

    • Author(s)
      Y. Joti, A. Kitao
    • Organizer
      The 1st International Conference of the Grand Challenge to Next-Generation Integrated Nanoscience
    • Place of Presentation
      国際研究交流大学村
    • Year and Date
      2008-06-05
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 分子シミュレーションと溶液散乱で探る蛋白質の立体構造変化2008

    • Author(s)
      城地保昌, 北尾彰朗
    • Organizer
      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2回公開シンポジウム
    • Place of Presentation
      岡崎カンファレンスセンター
    • Year and Date
      2008-03-05
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] Hydration effects on protein dynamics studied by molecular dynamics simulation of a crystalline protein2008

    • Author(s)
      Y. Joti, H. Nakagawa, M. Kataoka, A. Kitao
    • Organizer
      5^<th> Open Workshop for "Chemistry of Biological Processes Created by Water and Biomolecules
    • Place of Presentation
      奈良県新公会堂
    • Year and Date
      2008-01-25
    • Related Report
      2008 Final Research Report
  • [Presentation] Hydration effects on protein dynamics studied by molecular dynamics simulation of a crystalline protein2008

    • Author(s)
      Y. Joti, H. Nakagawa, M. Kataoka and A. Kitao
    • Organizer
      5th Open Workshop for "Chemistry of Biological Processes Created by Water and Biomolecules"
    • Place of Presentation
      奈良県新公会堂
    • Year and Date
      2008-01-25
    • Related Report
      2007 Annual Research Report
  • [Presentation] 分子シミュレーションと中性子散乱で探る蛋白質の協奏的運動2007

    • Author(s)
      城地保昌, 北尾彰朗
    • Organizer
      第45回生物物理学会年会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2007-12-21
    • Related Report
      2008 Final Research Report 2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-08-19  

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