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Analysis of Interactions in High Molecular Weight Protein Complexes by Using Segment Label and Cutting-edge NMR Technologies

Research Project

Project/Area Number 23657070
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Structural biochemistry
Research InstitutionHokkaido University

Principal Investigator

ISHIMORI Koichiro  北海道大学, 大学院・理学研究院, 教授 (20192487)

Co-Investigator(Kenkyū-buntansha) UCHIDA Takeshi  北海道大学, 大学院・理学研究院, 助教 (30343742)
Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2011: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Keywordsセグメントラベル / 多次元NMR / 蛋白質複合体 / 蛋白質間相互作用 / 安定同位体ラベル
Research Abstract

To develop new methodologies for structural analysis of biologically important high-molecular-weight protein complexes, applications of the segment label and new NMR techniques such as the transfer cross-saturation (TCS) and residual dipole coupling (RDC) were examined. By using TCS for the final electron transfer complex in the respiratory chain, the complex between cytochrome c and cytochrome c oxidase, we successfully determined the amino acid residues of cytochrome c directly interacting with cytochrome c oxidase.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Research-status Report
  • Research Products

    (7 results)

All 2013 2012 Other

All Presentation (5 results) (of which Invited: 2 results) Remarks (2 results)

  • [Presentation] Key Interactions and Regulation Mechanism for Electron Transfer from Cytochrome c to Cytochrome c Oxidase2013

    • Author(s)
      石森浩一郎
    • Organizer
      Fifth Korea-Japan Seminars on Biomolecular Sciences-Experiments and Simulations
    • Place of Presentation
      High 1 Resort(韓国)
    • Related Report
      2012 Final Research Report
  • [Presentation] Key Interactions and Regulation Mechanism for Electron Transfer from Cytochrome c to Cytochrome c Oxidase2013

    • Author(s)
      石森浩一郎
    • Organizer
      ECS Meeting
    • Place of Presentation
      Sheraton Center Toronto(カナダ)
    • Related Report
      2012 Final Research Report
  • [Presentation] Key Interactions and Regulation Mechanism for Electron Transfer from Cytochrome c to Cytochrome c Oxidase2013

    • Author(s)
      石森浩一郎
    • Organizer
      Fifth Korea-Japan Seminars on Biomolecular Sciences-Experiments and Simulations
    • Place of Presentation
      High 1 Resort(韓国)
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Presentation] Interactions in ElectronTransfer Complex between Cytochrome c and Cytochrome c Oxidase2012

    • Author(s)
      石森浩一郎
    • Organizer
      International Conference on Porphyrin and Phthalocyanines-7
    • Place of Presentation
      International Conference Center, Jeju(韓国)
    • Related Report
      2012 Final Research Report
  • [Presentation] Interactions in Electron Transfer Complex between Cytochrome c and Cytochrome c Oxidase2012

    • Author(s)
      石森浩一郎
    • Organizer
      International Conference on Porphyrin and Phthalocyanines-7
    • Place of Presentation
      ICC jeju(韓国)
    • Related Report
      2012 Annual Research Report
    • Invited
  • [Remarks]

    • URL

      http://wwwchem.sci.hokudai.ac.jp/~stchem/

    • Related Report
      2012 Final Research Report
  • [Remarks]

    • URL

      http://wwwchem.sci.hokudai.ac.jp/~stchem/

    • Related Report
      2011 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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