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Modeling of an novel reaction cycle and analyses of cellular dynamics of chaperonin GroEL

Research Project

Project/Area Number 20870035
Research Category

Grant-in-Aid for Young Scientists (Start-up)

Allocation TypeSingle-year Grants
Research Field Functional biochemistry
Research InstitutionKanagawa Institute of Technology

Principal Investigator

KOIKE Ayumi  Kanagawa Institute of Technology, 応用バイオ科学部, 准教授 (20454176)

Project Period (FY) 2008 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥3,302,000 (Direct Cost: ¥2,540,000、Indirect Cost: ¥762,000)
Fiscal Year 2009: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2008: ¥1,742,000 (Direct Cost: ¥1,340,000、Indirect Cost: ¥402,000)
Keywords蛋白質 / フォールディング / 酵素 / シャペロン / シャペロニン / GroEL / 反応モデル / 細胞内動態
Research Abstract

Chaperonin GroEL is involved in the folding of ~15% of newly translated protein in the cell. To clarify the chaperonin reaction mechanism, we analyzed in detail the symmetric football complexes which is critical intermediate in the reaction cycle, and demonstrated asymmetric diversity of two reaction chambers in the football complexes. We also established key techniques for isolating and detecting the chaperonin complexes formed in the cell, and determined the solution structure of the complexes encapsulating its substrate proteins.

Report

(3 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report
  • Research Products

    (25 results)

All 2009 2008

All Journal Article (7 results) (of which Peer Reviewed: 7 results) Presentation (13 results) Book (2 results) Patent(Industrial Property Rights) (3 results)

  • [Journal Article] Cryo-EM structure of the native GroEL-GroES complex from thermus thermophilus encapsulating substrate inside the cavity2009

    • Author(s)
      Kanno R, Koike-Takeshita A, Yokoyama K, Taguchi H, Mitsuoka K
    • Journal Title

      Structure 17(2)

      Pages: 287-93

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] シャペロニン・基質複合体の分子構造2009

    • Author(s)
      光岡薫, 小池あゆみ, 田口英樹
    • Journal Title

      生物物理 49(6)

      Pages: 296-297

    • NAID

      10025976011

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] シャペロニン・基質複合体の分子構造2009

    • Author(s)
      光岡薫
    • Journal Title

      生物物理 49(6)

      Pages: 296-297

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cryo-EM structure of the native GroEL-GroES complex from Thermus Thermophilus encapsulateing substrate inside the cavity.2009

    • Author(s)
      Knno, R
    • Journal Title

      Structure 17(2)

      Pages: 287-293

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Revisiting the GroEL-GroES reaction cycle via the symmetric intermediate implied by novel aspects of the GroEL (D398A) mutant2008

    • Author(s)
      Koike-Takeshita, A., Yoshida, M., Taguchi, H
    • Journal Title

      J. Biol. Chem 283

      Pages: 23774-81

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Revisiting the GroEL-GroES reaction cycle via the symmetric intermedia te implied by novel aspects of the GroEL(D398A) mutant2008

    • Author(s)
      A. Koike-Takeshita
    • Journal Title

      Journal of Biological Chemistry 283

      Pages: 23774-81

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Cryo-EM structure of the native GroEL-GroES complex from thermus thermophilus encapsulating substrate inside the cavity2008

    • Author(s)
      R. Kanno
    • Journal Title

      Structure 17

      Pages: 287-293

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] GroEL/GroESフットボール型複合体における2つのリングは等価なのか2009

    • Author(s)
      小池あゆみ
    • Organizer
      第32回日本分子生物学会年会
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2009-12-11
    • Related Report
      2009 Annual Research Report
  • [Presentation] シャペロニン~タンパク質のケアテイカー~2009

    • Author(s)
      小池あゆみ
    • Organizer
      日本化学会東北支部地区講演会
    • Place of Presentation
      山形大学
    • Year and Date
      2009-11-26
    • Related Report
      2009 Annual Research Report
  • [Presentation] GroEL/GroESフットボール型複合体における2つのリングは等価なのか2009

    • Author(s)
      小池あゆみ
    • Organizer
      第82回日本生化学会年会
    • Place of Presentation
      神戸ポートアイランド
    • Year and Date
      2009-10-22
    • Related Report
      2009 Annual Research Report
  • [Presentation] GroEL/GroESフットボール型複合体における2つのリングは等価なのか2009

    • Author(s)
      小池あゆみ, 新島弘識, 田口英樹
    • Organizer
      日本分子生物学会
    • Place of Presentation
      パシフィコ横浜
    • Related Report
      2009 Final Research Report
  • [Presentation] GroEL/GroESフットボール型複合体における2つのリングは等価なのか2009

    • Author(s)
      小池あゆみ, 新島弘識, 田口英樹
    • Organizer
      日本化学会
    • Place of Presentation
      神戸ポートアイランド
    • Related Report
      2009 Final Research Report
  • [Presentation] 酵母プリオンSup35アミロイド繊維の異種プリオンNew1による断片化2008

    • Author(s)
      井上雄嗣
    • Organizer
      第3 1回日本分子生物学会年会第8 1回日本生化学会大会合同大会
    • Place of Presentation
      神戸ポートアイランド(兵庫県神戸市)
    • Year and Date
      2008-12-10
    • Related Report
      2008 Annual Research Report
  • [Presentation] A yeast prion protein New1 can break Sup35 amyloid fibrils into fragments.2008

    • Author(s)
      Masasuke Yosh ida
    • Organizer
      第3 1回日本分子生物学会年会第8 1回日本生化学会大会合同大会
    • Place of Presentation
      神戸ポートアイランド(兵庫県神戸市)
    • Year and Date
      2008-12-10
    • Related Report
      2008 Annual Research Report
  • [Presentation] シャペロニンGroELの反応モデルの改訂と2ストロークモデルの可能性2008

    • Author(s)
      小池あゆみ
    • Organizer
      第3 1回日本分子生物学会年会第8 1回日本生化学会大会合同大会
    • Place of Presentation
      神戸ポートアイランド(兵庫県神戸市)
    • Year and Date
      2008-12-09
    • Related Report
      2008 Annual Research Report
  • [Presentation] Revisiting the GroEL-GroES reaction cycle via the symmetric intermedia te implied by novel aspects of the GroEL(D398A) mutant2008

    • Author(s)
      A. Koike-Takeshita
    • Organizer
      FASEB Summer Research Conferences Prote in Folding in the Cell
    • Place of Presentation
      Saxtons River, Vermont, USA
    • Year and Date
      2008-07-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] GroELのATP加水分解に関わる新規変異体2008

    • Author(s)
      小池あゆみ
    • 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(東京都江戸川区)
    • Year and Date
      2008-06-11
    • Related Report
      2008 Annual Research Report
  • [Presentation] シャペロニンGroELの反応モデルの改訂と2ストロークモデルの可能性2008

    • Author(s)
      小池あゆみ, 吉田賢右, 田口英樹
    • Organizer
      日本分子生物学会
    • Place of Presentation
      神戸ポートアイランド
    • Related Report
      2009 Final Research Report
  • [Presentation] Revisiting the GroEL-GroES reactioncycle via the symmetrical intermediate impliedby novel aspects of the GroEL(D398A) mutant2008

    • Author(s)
      Ayumi Koike-Takeshita, Masasuke Yoshida, Hideki Taguchi
    • Organizer
      FASEB Summer Research Conferences Protein Folding in the Cell
    • Place of Presentation
      Saxtons River, Vermont, USA
    • Related Report
      2009 Final Research Report
  • [Presentation] GroELのATP加水分解に関わる新規変異体2008

    • Author(s)
      小池あゆみ, 田辺弘幸, 吉田賢右, 田口英樹
    • Organizer
      日本蛋白質科学会
    • Place of Presentation
      タワーホール船堀
    • Related Report
      2009 Final Research Report
  • [Book] 「GroEL/GroES」inキーワード:蛋白質の一生(編集・遠藤斗志也、小椋光、永田和宏、森和俊、田口英樹、吉田賢右)2008

    • Author(s)
      小池あゆみ,田口英樹
    • Publisher
      共立出版
    • Related Report
      2009 Final Research Report
  • [Book] 「GroEL/GroES」inキーワード : 蛋白質の一生2008

    • Author(s)
      小池あゆみ
    • Total Pages
      2
    • Publisher
      共立出版
    • Related Report
      2008 Annual Research Report
  • [Patent(Industrial Property Rights)] シャペロニン変異体およびこれをコードするDNA2008

    • Inventor(s)
      小池あゆみ、田口英樹
    • Industrial Property Rights Holder
      学校法人幾徳学園神奈川工科大学
    • Industrial Property Number
      2008-294487
    • Filing Date
      2008-11-18
    • Related Report
      2009 Final Research Report
  • [Patent(Industrial Property Rights)] シャペロニン変異体およびこれをコードするDNA2008

    • Inventor(s)
      小池あゆみ, 田口英樹
    • Industrial Property Rights Holder
      神奈川工科大学
    • Filing Date
      2008-11-18
    • Related Report
      2009 Annual Research Report
  • [Patent(Industrial Property Rights)] シャペロニン変異体およびこれをコードするDNA2008

    • Inventor(s)
      小池あゆみ田口英樹
    • Industrial Property Rights Holder
      同左
    • Filing Date
      2008-11-18
    • Related Report
      2008 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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