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Structural basis of the filament formation of ESCRT-III proteins

Research Project

Project/Area Number 24770094
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Structural biochemistry
Research InstitutionUniversity of Toyama

Principal Investigator

OBITA TAKAYUKI  富山大学, 大学院医学薬学研究部(薬学), 准教授 (30578696)

Project Period (FY) 2012-04-01 – 2014-03-31
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2012: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywords構造生物学 / 細胞分裂 / ESCRT / 古細菌 / タンパク質
Research Abstract

We have cloned several ESCRT-III genes from Yeast or Archaea and made plasmids for protein expression. Although we have purified wild-type and mutants and tested crystallization, we have not got the good diffracting crystals, yet. We have determined the crystal structures of Archaeal CdvA, which interact with ESCRT-III proteins, and revealed that CdvA forms the filament structure. We have also shown the filament structure of CdvA using electron microscopy. Taken together, we have succeeded to show the structural basis of the filament structure of CdvA.

Report

(3 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • Research Products

    (5 results)

All 2014 2012 Other

All Journal Article (2 results) (of which Peer Reviewed: 1 results) Presentation (1 results) Book (1 results) Remarks (1 results)

  • [Journal Article] A role for crenarchaeal ESCRT system in cell division2014

    • Author(s)
      Obita T
    • Journal Title

      Seikagaku

      Volume: 86(1) (Review. Japanese) Pages: 59-62

    • NAID

      40020011073

    • Related Report
      2013 Final Research Report
  • [Journal Article]2012

    • Author(s)
      Hadders MA, Agromayor M, Obita T, Perisic O, Caballe A, Kloc M, Lamers MH, Williams RL, Martin-Serrano J
    • Journal Title

      Proc Natl Acad Sci U S A

      Volume: 109(43) Pages: 17424-9

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Presentation] 古細菌の細胞分裂を担うESCRTタンパク質CdvAの構造基盤研究2014

    • Author(s)
      帯田孝之
    • Organizer
      第1回生命分子科学研究会
    • Place of Presentation
      北海道ホテルニセコ甘露の森
    • Year and Date
      2014-03-17
    • Related Report
      2013 Final Research Report
  • [Book] 生化学2014

    • Author(s)
      帯田孝之
    • Total Pages
      4
    • Publisher
      公益社団法人日本生化学会
    • Related Report
      2013 Annual Research Report
  • [Remarks]

    • URL

      http://www.pha.u-toyama.ac.jp/phypha2/index-j.html

    • Related Report
      2013 Final Research Report

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Published: 2013-05-31   Modified: 2019-07-29  

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