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2008 Fiscal Year Final Research Report

Analysis of the role of protein-protein interaction for the cell cycle progression using small molecule inhibitors

Research Project

  • PDF
Project/Area Number 19570193
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Cell biology
Research InstitutionThe Institute of Physical and Chemical Research

Principal Investigator

WATANABE Nobumoto  The Institute of Physical and Chemical Research, 化合物バンク評価研究チーム, 先任研究員 (90221689)

Project Period (FY) 2007 – 2008
Keywords細胞周期 / Plk1 / PBD / タンパク質リン酸化 / タンパク質間相互作用
Research Abstract

蛍光タンパク質標識PBDとその標的リン酸化ペプチドの結合を蛍光プレートリーダーで定量する系を構築し、PBD依存結合を阻害する小分子を化合物ライブラリーから探索しpurpurogallin(PPG)を見出した。PPGは、試験管内でPBDと標的タンパク質(Wee1)の結合を1μMでほぼ完全に阻害した。PPGを用いた解析で、PBDに依存した結合は、Plk1の細胞分裂における種々の役割の中でも、特に分裂中期における染色体の整列に最も重要な役割を有することが明らかになった。

  • Research Products

    (13 results)

All 2009 2008

All Journal Article (7 results) (of which Peer Reviewed: 6 results) Presentation (6 results)

  • [Journal Article] Deficiency in chromosome congression by the inhibition of PLK1 polo box domain-dependent recognition2009

    • Author(s)
      Watanabe, N (7人中1番目)
    • Journal Title

      J Biol. Chem. 284

      Pages: 2344-2353

    • Peer Reviewed
  • [Journal Article] Polo-like kinase 1 phosphorylates and regulates Bcl-xL during pironetin-induced apoptosis2009

    • Author(s)
      Watanabe, N (7人中6番目)
    • Journal Title

      Oncogene 28

      Pages: 107-116

    • Peer Reviewed
  • [Journal Article] 癌細胞の細胞周期異常2009

    • Author(s)
      渡邉信元, 長田裕之
    • Journal Title

      日本臨牀 67

      Pages: 71-76

  • [Journal Article] The regulatory βsubunit of protein kinase CK2 regulates cell-cycle progression at the onset of mitosis2008

    • Author(s)
      Watanabe, N (5人中4番目)
    • Journal Title

      Oncogene 27

      Pages: 4986-4997

    • Peer Reviewed
  • [Journal Article] Human immunodeficiency virus type 1 Vpr binds to the N lobe of the Wee1 kinase domain and enhances kinase activity for CDC22008

    • Author(s)
      Watanabe, N (4人中2番目)
    • Journal Title

      J Virol. 82

      Pages: 5672-5682

    • Peer Reviewed
  • [Journal Article] Fbxw7 acts as an E3 Ubiquitin ligase that targets c-Myb for nemo-like kinase (NLK)-induced degradation2008

    • Author(s)
      Watanabe, N (6人中4番目)
    • Journal Title

      J Biol. Chem. 283

      Pages: 30540-30548

    • Peer Reviewed
  • [Journal Article] Wee12008

    • Author(s)
      Watanabe, N
    • Journal Title

      UCSD-Nature Molecule Pages

      Pages: 0

    • URL

      http://www.signaling-gateway.org/molecule/query?afcsid=A002371

    • Peer Reviewed
  • [Presentation] SCFbeta-TrCPによるCdc25Bの制御2008

    • Author(s)
      内田 早苗
    • Organizer
      第31回日本分子生物学会年会・第81回日本生化学会大会 (BMB2008)
    • Place of Presentation
      神戸
    • Year and Date
      2008-12-11
  • [Presentation] 小分子阻害剤を用いた細胞分裂におけるPBD依存性結合の役割の解析2008

    • Author(s)
      渡邉 信元
    • Organizer
      第31回日本分子生物学会年会・第81回日本生化学会大会 (BMB2008)
    • Place of Presentation
      神戸
    • Year and Date
      2008-12-10
  • [Presentation] 小分子阻害剤によるPlk1ポロボックス依存性結合の細胞分裂進行における役割の解析2008

    • Author(s)
      渡邉 信元
    • Organizer
      第67回日本癌学会学術総会
    • Place of Presentation
      名古屋
    • Year and Date
      2008-10-28
  • [Presentation] Small molecule inhibitors of phosphorylation dependent protein-protein interactions2008

    • Author(s)
      渡邉 信元
    • Organizer
      Friday seminar by USM visiting professors
    • Place of Presentation
      Univ. Sains, Malaysia, Penang
    • Year and Date
      2008-07-25
  • [Presentation] Development of a screening system for HIV-1 Vpr Inhibitors and the study of its mechanism of action2008

    • Author(s)
      Eugene Ong
    • Organizer
      4th Korea-Japan Chemical Biology Symposium
    • Place of Presentation
      日光
    • Year and Date
      2008-05-21
  • [Presentation] 細胞分裂期進行におけるPlk1ポロボックスドメイン依存性結合の役割の化学生物学的解析2008

    • Author(s)
      渡邉信元
    • Organizer
      日本ケミカルバイオロジー研究会第3回年会
    • Year and Date
      2008-05-19

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

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