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Structural study of replication-coupled DNA repair

Research Project

Project/Area Number 25460038
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Physical pharmacy
Research InstitutionKumamoto University

Principal Investigator

Nakamura Teruya  熊本大学, 生命科学研究部, 助教 (40433015)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2013: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Keywords構造生物学 / DNA修復 / DNA複製
Outline of Final Research Achievements

In this research, we have carried out structural study of a DNA glycosylase which repairs damaged DNA coupled with DNA replication. DNA glycosylase was expressed and prepared with high purity for crystallization. Crystals of the DNA glycosylase and DNA complex were obtained after the crystallization screening and modification of the conditions. X-ray diffraction experiments were carried out on beam lines at SPring-8 and Photon factory, and the crystal structure was determined. In addition, we measured the glycosylase activity of the wild type and its mutants, and revealed the structural insight into the DNA repair mechanism of the DNA glycosylase.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (8 results)

All 2016 2015 2014 2013

All Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (4 results) (of which Int'l Joint Research: 1 results,  Invited: 2 results) Book (1 results)

  • [Journal Article] Reaction Mechanisms of Nucleic Acid Enzymes, Oxidative Nucleotide Hydrolase MutT and Translesion DNA Polymerase η2014

    • Author(s)
      中村照也
    • Journal Title

      Nihon Kessho Gakkaishi

      Volume: 56 Issue: 2 Pages: 123-128

    • DOI

      10.5940/jcrsj.56.123

    • NAID

      130004552884

    • ISSN
      0369-4585, 1884-5576
    • Related Report
      2014 Research-status Report
    • Peer Reviewed
  • [Journal Article] Mechanism of the nucleotidyl-transfer reaction in DNA polymerase revealed by time-resolved protein crystallography2013

    • Author(s)
      Nakamura T., Zhao Y., Yamagata Y., Hua Y.J., Yang W.
    • Journal Title

      Biophysics

      Volume: 9 Pages: 31-36

    • NAID

      130003366027

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] DNAポリメラーゼηによるリン酸ジエステル結合の形成過程の観察2013

    • Author(s)
      中村照也,山縣ゆり子,Wei Yang
    • Journal Title

      生物物理

      Volume: 53 Pages: 254-257

    • NAID

      10031191847

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] 時分割X 線結晶構造解析による酸化ヌクレオチド加水分解酵素の反応機構の解明2016

    • Author(s)
      平田啓介、中村照也、吉川紘平、池鯉鮒麻美、池水信二、山縣ゆり子
    • Organizer
      量子ビームサイエンスフェスタ 第7回 MLF シンポジウム/第 33 回 PF シンポジウム
    • Place of Presentation
      つくば
    • Year and Date
      2016-03-15
    • Related Report
      2015 Annual Research Report
  • [Presentation] High resolution X-ray diffraction study of an enzyme for oxidative nucleotide processing2015

    • Author(s)
      Keisuke Hirata, Teruya Nakamura, Mami Chirifu, Shinji Ikemizu, Yuriko Yamagata
    • Organizer
      The 53rd Annual Meeting of the Biophysical Society of Japan
    • Place of Presentation
      金沢
    • Year and Date
      2015-09-13
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 酵素反応を原子レベルで観察する2015

    • Author(s)
      中村照也
    • Organizer
      宮崎大学 テニュアトラック推進機構主催セミナー「蛋白質立体構造解析の最前線」
    • Place of Presentation
      宮崎大学
    • Year and Date
      2015-03-23
    • Related Report
      2014 Research-status Report
    • Invited
  • [Presentation] DNA損傷修復に働く酸化ヌクレオチド分解酵素MutTとDNAポリメラーゼηの反応機構の解明2013

    • Author(s)
      中村照也
    • Organizer
      平成25年度日本結晶学会年会,進歩賞受賞講演
    • Place of Presentation
      熊本大学
    • Related Report
      2013 Research-status Report
    • Invited
  • [Book] Protein Modifications in Pathogenic Dysregulation of Signaling, Chapter 92015

    • Author(s)
      T. Nakamura, Y. Mukai, Y. Tsutsumi, Y. Yamagata
    • Total Pages
      15
    • Publisher
      Springer
    • Related Report
      2015 Annual Research Report

URL: 

Published: 2014-07-25   Modified: 2019-07-29  

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