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Topogenesis of membrane proteins via the ER translocon

Research Project

Project/Area Number 18770095
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Structural biochemistry
Research InstitutionUniversity of Hyogo

Principal Investigator

KIDA Yuichiro  University of Hyogo, 大学院・生命理学研究科, 助教 (10423899)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥330,000)
Fiscal Year 2008: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2007: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2006: ¥1,500,000 (Direct Cost: ¥1,500,000)
Keywords膜タンパク質 / シグナル配列 / 膜透過 / トランスロコン / 小胞体 / フォールディング / タンパク質膜透過 / 膜組み込み / 膜トポロジー / 生体膜 / オルガネラ / 膜蛋白質 / 蛋白質膜透過
Research Abstract

細胞及び細胞内小器官を取り囲む生体膜に埋まり込んでいる「膜タンパク質」は、膜内外の物質輸送、情報交換、膜構造の形成・維持に機能している。細胞内に存在する膜タンパク質の半分以上が、小胞体タンパク質膜透過チャネル(トランスロコン)を介して膜に組み込まれる。本研究では、膜貫通配列の小胞体膜組み込み制御系を構築し、組み込み過程を詳細に解析することで、膜貫通の方向性(膜トポロジー)の形成過程、及びトランスロコンの活動時の挙動に関する知見を得た。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (29 results)

All 2009 2008 2007 2006

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (23 results)

  • [Journal Article] Signal-anchor sequence provides motive force for polypeptide-chain translocation through the ER membrane2009

    • Author(s)
      Kida, Y., Morimoto, F., and Sakaguchi, M
    • Journal Title

      J. Biol. Chem 284

      Pages: 2861-2866

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Signal-anchor sequence provides motive force for polypeptide-chain translocation through the ER membrane2009

    • Author(s)
      木田祐一郎
    • Journal Title

      The Journal of Biological Chemistry 284

      Pages: 2861-2866

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Human ABC transporter isoform B6 (ABCB6) localizes primarily in the Golgi apparatus2008

    • Author(s)
      Tsuchida, M., Emi, Y., Kida, Y., and Sakaguchi, M
    • Journal Title

      Biochem. Biophys. Res. Commun 369

      Pages: 369-375

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Human ABC transporter isoform B6(ABCB6) localizes primarily in the Golgi annaratus2008

    • Author(s)
      土田雅史
    • Journal Title

      Biochemical and Biophysical Research Communications 369

      Pages: 369-375

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Two translocating hydrophilic segments of a nascent chain span the ER membrane during multispanning protein topogenesis2007

    • Author(s)
      Kida, Y., Morimoto, F., and Sakaguchi, M
    • Journal Title

      J. Cell Biol 179

      Pages: 1441-1452

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Two translocating hydrophilic segments of a nascent chain span the ER membrane during multispanning protein tapogenesis2007

    • Author(s)
      木田 祐一郎
    • Journal Title

      The Journal of Cell Biology 179

      Pages: 1441-1452

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] Dynamic function of ER translocon2008

    • Author(s)
      Sakaguchi, M
    • Organizer
      BMB2008
    • Place of Presentation
      神戸
    • Year and Date
      2008-12-12
    • Related Report
      2008 Final Research Report
  • [Presentation] 正荷電アミノ酸残基による小胞体膜透過制御2008

    • Author(s)
      藤田英伸
    • Organizer
      BMB2008
    • Place of Presentation
      神戸
    • Year and Date
      2008-12-09
    • Related Report
      2008 Final Research Report
  • [Presentation] 膜貫通配列の小胞体膜組み込みダイナ2008

    • Author(s)
      木田祐一郎
    • Organizer
      BMB2008
    • Place of Presentation
      神戸
    • Year and Date
      2008-12-09
    • Related Report
      2008 Final Research Report
  • [Presentation] PMP70のN-末端に存在する小胞体標的化抑制モチーフ2008

    • Author(s)
      岩下昌平
    • Organizer
      BMB2008
    • Place of Presentation
      神戸
    • Year and Date
      2008-12-09
    • Related Report
      2008 Final Research Report
  • [Presentation] ペルオキシソームABC輸送体におけるオルガネラ標的化シグナルの階層構造2008

    • Author(s)
      佃美和
    • Organizer
      BMB2008
    • Place of Presentation
      神戸
    • Year and Date
      2008-12-09
    • Related Report
      2008 Final Research Report
  • [Presentation] 膜貫通配列の小胞体膜組み込みダイナミクス2008

    • Author(s)
      木田祐一郎
    • Organizer
      BMB2008
    • Place of Presentation
      神戸ポートアイランド(神戸市中央区)
    • Year and Date
      2008-12-09
    • Related Report
      2008 Annual Research Report
  • [Presentation] Lateral movement of a signal-anchor sequence from translocon to lipid environment2008

    • Author(s)
      Kida, Y
    • Organizer
      EMBO Conference Series "Control, Co-ordination and Regulation of Protein Targeting and Translocation"
    • Place of Presentation
      Ste. Maxime
    • Year and Date
      2008-10-27
    • Related Report
      2008 Final Research Report
  • [Presentation] Lateral movement of a signal-anchor sequence from translocon to lipid environment2008

    • Author(s)
      木田祐一郎
    • Organizer
      EMBO conference series "Control, Co-ordination and Regulation of Protein Targeting and Translocation"
    • Place of Presentation
      Sainte-Maxime, France
    • Year and Date
      2008-10-26
    • Related Report
      2008 Annual Research Report
  • [Presentation] 膜貫通配列のトランスロコンを介した水平方向のダイナミクス2008

    • Author(s)
      木田祐一郎
    • Organizer
      第8 回日本蛋白質科学会年
    • Place of Presentation
      東京
    • Year and Date
      2008-06-11
    • Related Report
      2008 Final Research Report
  • [Presentation] 膜貫通配列のトランスロコンを介した水平方向のダイナミクス2008

    • Author(s)
      木田祐一郎
    • 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] ポリペプチド鎖小胞体膜透過のシグナルアンカー配列による駆動メカニズム2007

    • Author(s)
      木田祐一郎
    • Organizer
      BMB2007
    • Place of Presentation
      横浜
    • Year and Date
      2007-12-12
    • Related Report
      2008 Final Research Report
  • [Presentation] ABCB6はミトコンドリアではなく細胞内分泌経路に局在する2007

    • Author(s)
      土田雅史
    • Organizer
      BMB2007
    • Place of Presentation
      横浜
    • Year and Date
      2007-12-12
    • Related Report
      2008 Final Research Report
  • [Presentation] PMP70分子内の細胞内局在化シグナルの相互関係2007

    • Author(s)
      阪口雅郎
    • Organizer
      BMB2007
    • Place of Presentation
      横浜
    • Year and Date
      2007-12-12
    • Related Report
      2008 Final Research Report
  • [Presentation] ポリペプチド鎖小胞体膜透過のシグナルアンカー配列による駆動メカニズム2007

    • Author(s)
      木田 祐一郎
    • Organizer
      BM32007(第30回日本分子生物学会年会・第80回日本生化学会大会合同大会)
    • Place of Presentation
      パシフィコ横浜(横浜市)
    • Year and Date
      2007-12-12
    • Related Report
      2007 Annual Research Report
  • [Presentation] Translocon accommodates two translocating hydrophilic chains and two signal sequences2007

    • Author(s)
      木田 祐一郎
    • Organizer
      Gordon Research Conference on Protein Transport Across Cell Membranes
    • Place of Presentation
      II Ciocco (イタリア・リレッカ)
    • Year and Date
      2007-06-13
    • Related Report
      2007 Annual Research Report
  • [Presentation] Translocon accommodates two translocating hydrophilic chains and two signal sequences2007

    • Author(s)
      Kida, Y.
    • Organizer
      Gordon Research Conference on Protein Transport Across Cell Membranes
    • Place of Presentation
      Lucca(Itary)
    • Year and Date
      2007-06-11
    • Related Report
      2008 Final Research Report
  • [Presentation] Flexibility of translocon and driving force for polypeptide chain translocation2007

    • Author(s)
      Sakaguchi, M.
    • Organizer
      第59回日本細胞生物学会大会
    • Place of Presentation
      福岡
    • Year and Date
      2007-05-28
    • Related Report
      2008 Final Research Report
  • [Presentation] Translocon accommodates two translocating hydrophilic chains and two transmembrane sequences simultaneously2007

    • Author(s)
      Kida, Y.
    • Organizer
      第59回日本細胞生物学会大会
    • Place of Presentation
      福岡
    • Year and Date
      2007-05-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 小胞体トランスロコンのポリペプチド鎖収容能力2007

    • Author(s)
      木田 祐一郎
    • Organizer
      第40回日本発生生物学会・第59回日本細胞生物学会合同大会
    • Place of Presentation
      福岡国際会議場(福岡市)
    • Year and Date
      2007-05-28
    • Related Report
      2007 Annual Research Report
  • [Presentation] ポリペプチド鎖小胞体膜透過の膜貫通配列による駆動システム2007

    • Author(s)
      木田祐一郎
    • Organizer
      第7回日本蛋白質科学会年会
    • Place of Presentation
      仙台
    • Year and Date
      2007-05-24
    • Related Report
      2008 Final Research Report
  • [Presentation] ポリペプチド鎖小胞体膜透過の膜貫通配列による駆動システム2007

    • Author(s)
      木田 祐一郎
    • Organizer
      第7回日本蛋白質科学会年会
    • Place of Presentation
      仙台国際センター(仙台市)
    • Year and Date
      2007-05-24
    • Related Report
      2007 Annual Research Report
  • [Presentation] Function of Positive Charges Following Signal-Anchor Sequences during Translocation of the N-terminal domain.2006

    • Author(s)
      Kida, Y.
    • Organizer
      20th IUBMB International Congress of Biochemistry and Molecular Biology and 11th FAOBMB Congress
    • Place of Presentation
      京都
    • Year and Date
      2006-06-23
    • Related Report
      2008 Final Research Report
  • [Presentation] シグナルアンカー配列によって引き起こされるポリペプチド鎖膜透過のメカニズム2006

    • Author(s)
      木田祐一郎
    • Organizer
      第6回日本蛋白質科学会年会
    • Place of Presentation
      京都
    • Year and Date
      2006-04-24
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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