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2008 Fiscal Year Final Research Report

soft interaction for the recognition of mitochondrial targeting signal

Research Project

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Project/Area Number 15083205
Research Category

Grant-in-Aid for Scientific Research on Priority Areas

Allocation TypeSingle-year Grants
Review Section Biological Sciences
Research InstitutionKyushu University

Principal Investigator

KOHDA Daisuke  Kyushu University, 生体防御医学研究所, 教授 (80186618)

Co-Investigator(Kenkyū-buntansha) MAENAKA Katsumi  九州大学, 生体防御医学研究所, 准教授 (10322752)
Co-Investigator(Renkei-kenkyūsha) SAITOH Takashi  九州大学, デジタルメディシンイニシアティブ, 助教 (00432914)
Project Period (FY) 2003 – 2008
Keywordsタンパク質 / ,分子認識 / 細胞内輸送 / ミトコンドリア / プレ配列 / 標的シグナル / Tom20 / リガンド係留技術
Research Abstract

ミトコンドリア内部へ輸送されるタンパク質はN末端にプレ配列が付加されて生合成される.Tom20タンパク質はミトコンドリア外膜にあって,プレ配列を最初に認識する受容体である.Tom20とプレ配列の複合体を共有結合で安定化する技術を新規に考案して,結晶構造解析とNMR緩和時間解析を行った.複数の結合状態が存在するが,それぞれは認識としては不完全である.この複数の状態の間の速い動的平衡が,Tom20が多様なプレ配列を認識するメカニズムであることを提唱した.

  • Research Products

    (33 results)

All 2009 2008 2007 2006 2005 2004 2003 Other

All Journal Article (9 results) (of which Peer Reviewed: 8 results) Presentation (23 results) Remarks (1 results)

  • [Journal Article] Structure-guided identification of a new catalytic motif of oligosaccharyltransferase2008

    • Author(s)
      Igura M, Maita N, Kamishikiryo J, Yamada M, Obita T, Maenaka K, Kohda D
    • Journal Title

      EMBO J 27

      Pages: 234-243

    • Peer Reviewed
  • [Journal Article] ミトコンドリア行きシグナルを識別するためのソフトな分子認識2008

    • Author(s)
      神田大輔
    • Journal Title

      生化学 第80巻第10号

      Pages: 888-896

  • [Journal Article] Structural basis of the 3'-end recognition of a leading strand in stalled replication forks by PriA2007

    • Author(s)
      Sasaki K, Ose T, Okamoto N, Maenaka K, Tanaka T, Masai H, Saito M, Shirai T, Kohda D
    • Journal Title

      EMBO J 26

      Pages: 2584-2593

    • Peer Reviewed
  • [Journal Article] Tom20 recognizes mitochondrial presequences through dynamic equilibrium among multiple bound states2007

    • Author(s)
      Saitoh T, Igura M, Obita T, Ose T, Kojima R, Maenaka K, Endo T, Kohda D
    • Journal Title

      EMBO J 26

      Pages: 4777-4787

    • Peer Reviewed
  • [Journal Article] New oligosaccharyltransferase assay method2007

    • Author(s)
      Kohda D, Yamada M, Igura M, Kamishikiryo J, Maenaka K
    • Journal Title

      Glycobiology 17

      Pages: 1175-1182

    • Peer Reviewed
  • [Journal Article] Purification,crystallization and preliminary X-ray diffraction studies of the soluble domain of the oligosaccharyltransferase STT3 subunit from the thermophilic archaeon Pyrococcus furiosus2007

    • Author(s)
      Igura M, Maita N, Obita T, Kamishikiryo J, Maenaka K, Kohda D
    • Journal Title

      Acta Crystallogr Sect F Struct Biol Cryst Commun 63

      Pages: 798-801

    • Peer Reviewed
  • [Journal Article] Crystallization and preliminary crystallographic analysis of the N-terminal domain of PriA from Escherichia coli2006

    • Author(s)
      Sasaki K, Ose T, Tanaka T, Mizukoshi T, Ishigaki T, Maenaka K, Masai H, Kohda D
    • Journal Title

      Biochim Biophys Acta 1764

      Pages: 157-160

    • Peer Reviewed
  • [Journal Article] Crystallization and preliminary X-ray analysis of mitochondrial presequence receptor Tom20 in complexes with a presequence from aldehyde dehydrogenase2005

    • Author(s)
      Igura M, Ose T, Obita T, Sato C, Maenaka K, Endo T, Kohda D
    • Journal Title

      Acta Crystallogr Sect F Struct Biol Cryst Commun 61

      Pages: 514-517

    • Peer Reviewed
  • [Journal Article] Peptide library approach with a disulfide tether to refine the Tom20 recognition motif in mitochondrial presequences2003

    • Author(s)
      Obita, T, Muto, T, Endo, T, Kohda, D
    • Journal Title

      J Mol Biol 328

      Pages: 495-504

    • Peer Reviewed
  • [Presentation] Tom20 recognizes mitochondrial presequences through dynamic equilibrium among multiple bound states - Complex stabilization with a molecular tether - (invited,oral)2009

    • Author(s)
      Daisuke Kohda
    • Organizer
      International Symposium on Molecular Soft Interactions in Biological Systems Organized by The Priority Area ゛Membrane Interface゛
    • Place of Presentation
      Osaka
    • Year and Date
      20090122-23
  • [Presentation] Tom20 recognizes mitochondrial presequences through dynamic equilibrium among multiple bound states2009

    • Author(s)
      Daisuke Kohda
    • Organizer
      (invited, oral) 蛋白質立体構造解析NEDO 特別講座 国際シンポジウム2009
    • Place of Presentation
      東京
    • Year and Date
      2009-01-26
  • [Presentation] Relaxation analysis of the Tom20-bound states of a mitochondrial presequence2008

    • Author(s)
      Takashi Saitoh
    • Organizer
      International Conference on Magnetic Resonance in Biological Systems (XXIII ICMRBS)
    • Place of Presentation
      San Diego, USA
    • Year and Date
      20080824-29
  • [Presentation] Structure-guided identification of a new catalytic motif of oligosaccharyltransferase2008

    • Author(s)
      Daisuke Kohda
    • Organizer
      Fukuoka Symposium on Molecular Soft Interactions at Biomembrane Interface
    • Place of Presentation
      Fukuoka
    • Year and Date
      20080125-26
  • [Presentation] 「複数の結合様式を介したミトコンドリアTom20によるプレ配列の認識機構」(口頭発,若手奨励賞シンポジウム)2008

    • Author(s)
      斉藤貴士
    • Organizer
      第8回日本蛋白質科学会年会
    • Place of Presentation
      東京
    • Year and Date
      2008-06-11
  • [Presentation] Asn結合型糖鎖修飾を決定するオリゴ糖転移酵素の構造生物学研究(ワークショップ口演)2007

    • Author(s)
      井倉真由美
    • Organizer
      第7回日本蛋白質科学会年会
    • Place of Presentation
      仙台
    • Year and Date
      20070524-26
  • [Presentation] ミトコンドリアTom20によるプレ配列の動的認識機構:緩和解析からのアプローチ(ワークショップ口演)2007

    • Author(s)
      齊藤貴士
    • Organizer
      第7回日本蛋白質科学会年会
    • Place of Presentation
      仙台
    • Year and Date
      20070524-26
  • [Presentation] Relaxation study reveals a dual-mode interaction mechanism for mitochondrial presequence recognition by Tom202007

    • Author(s)
      Daisuke Kohda
    • Organizer
      (invited, oral)International Workshop on Perspectives on stable isotope aided NMR methods for protein structural analysis
    • Place of Presentation
      Osaka
    • Year and Date
      20070330-31
  • [Presentation] 「アスパラギン結合型糖鎖修飾を決定するオリゴ糖転移酵素の構造生化学」(シンポジウム口演)2007

    • Author(s)
      神田大輔
    • Organizer
      第27回日本糖質学会年会
    • Place of Presentation
      福岡
    • Year and Date
      2007-08-02
  • [Presentation] Recognize not to discriminate : mechanism of nonselective base recognition of 3'-terminus of DNA by PriA protein2006

    • Author(s)
      Daisuke Kohda
    • Organizer
      (invited, oral)The 2nd Sapporo Conference 2006 ; New Trend in Structural Biology
    • Place of Presentation
      Sapporo
    • Year and Date
      20061030-31
  • [Presentation] Dynamic recognition of mitochondrial presequences by Tom202006

    • Author(s)
      Takashi Saitoh
    • Organizer
      The 2nd Sapporo Conference 2006; New Trend in Structural Biology
    • Place of Presentation
      Sapporo
    • Year and Date
      20061030-31
  • [Presentation] Tom20 receptor recognizes the mitochondrial presequence through dynamic equilibrium2006

    • Author(s)
      Mayumi Igura
    • Organizer
      20th IUBMB International Congress of Biochemistry and Molecular Biology and 11th FAOBMB Congress
    • Place of Presentation
      Kyoto
    • Year and Date
      20060618-23
  • [Presentation] 「ゆるい相互作用をX線結晶解析とNMRで見る」(ワークショップ口演)2006

    • Author(s)
      神田大輔
    • Organizer
      第6回日本蛋白質科学会
    • Place of Presentation
      京都
    • Year and Date
      20060424-26
  • [Presentation] Crystal structures conformationally locked with a disulfide tether suggest a dual-mode interaction mechanism for mitochondrial presequence recognition by Tom202005

    • Author(s)
      Takayuki Obita
    • Organizer
      International Symposium on Life of Proteins
    • Place of Presentation
      Hyogo
    • Year and Date
      20051101-03
  • [Presentation] Cracking of the targeting signal embedded in mitochondrial presequences2005

    • Author(s)
      Daisuke Kohda
    • Organizer
      (invited, oral)XX Congress of the International Union of Crystallography Florence
    • Place of Presentation
      Italy
    • Year and Date
      20050823-31
  • [Presentation] Cracking of the targeting signal embedded in mitochondrial presequences2005

    • Author(s)
      Mayumi Igura
    • Organizer
      XX Congress of the International Union of Crystallography Florence
    • Place of Presentation
      Italy
    • Year and Date
      20050823-31
  • [Presentation] <ゆるい>相互作用に対する構造生物学アプローチ2005

    • Author(s)
      神田大輔
    • Organizer
      よこはまNMR構造生物学研究会第27回ワークショップ「細胞シグナリングの構造生物学」
    • Place of Presentation
      横浜
    • Year and Date
      2005-09-21
  • [Presentation] "Structural basis of the decoding of the mitochondrial targeting signals by Tom202004

    • Author(s)
      Takayuki Obita
    • Organizer
      The 1st Pacific-Rim International Conference on Protein Science
    • Place of Presentation
      Yokohama
    • Year and Date
      20040414-18
  • [Presentation] Cracking of the targeting signal embedded in mitochondrial presequences by NMR and crystallography2004

    • Author(s)
      Daisuke Kohda
    • Organizer
      (invited, oral)UK-Japan Structural Genomics Conference UK/Japan Symposium
    • Place of Presentation
      Oxford UK
    • Year and Date
      20040323-25
  • [Presentation] Cracking of the targeting signal embedded in mitochondrial presequences by NMR and crystallography2004

    • Author(s)
      Daisuke Kohda
    • Organizer
      (invited, oral)CREST internationalsymposium, Frontier of Biological NMR Spectroscopy
    • Place of Presentation
      OSAKA
    • Year and Date
      20040126-27
  • [Presentation] ミトコンドリアへの標的シグナルを構造の観点から解読する2004

    • Author(s)
      神田大輔
    • Organizer
      第26回生体膜と薬物の相互作用シンポジウム
    • Place of Presentation
      東京
    • Year and Date
      2004-11-25
  • [Presentation] ミトコンドリアへの標的シグナルを構造の観点から解読する2004

    • Author(s)
      神田大輔
    • Organizer
      2004蛋白研セミナー「生体系NMRにおける技術革新」
    • Place of Presentation
      大阪
    • Year and Date
      2004-11-19
  • [Presentation] Disulfide bond tethering approach for the study of molecular interactions2004

    • Author(s)
      Daisuke Kohda
    • Organizer
      特定領域研究「膜インタフェイス」第2回公開シンポジウムMolecular Soft Interactions at Biomembrane Interface
    • Place of Presentation
      大阪
    • Year and Date
      2004-08-04
  • [Remarks]

    • URL

      http://www.bioreg.kyushu-u.ac.jp/vsb/index.html

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Published: 2010-06-10   Modified: 2016-04-21  

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