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2012 Fiscal Year Final Research Report

Construction of Artificial Biocatalysts containing Non-natural Dimetallic Active Site

Research Project

  • PDF
Project/Area Number 23655050
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Inorganic chemistry
Research InstitutionOsaka University

Principal Investigator

ONODA Akira  大阪大学, 大学院・工学研究科, 助教 (60366424)

Co-Investigator(Renkei-kenkyūsha) TAHASHI Takashi  大阪大学, 大学院・工学研究科, 教授 (20222226)
Project Period (FY) 2011 – 2012
Keywords生物無機化学 / タンパク質 / 人工金属タンパク質 / 二核中心
Research Abstract

Metalloenzymes catalyze variety of reactions including hydroxylation of methane and nitrogen fixation, which are difficult for synthetic catalysts, in mild conditions. Thus, the active site of these metalloenzyme has been attracted the chemists. In this project, the artificial biocatalysts containing non-natural dimetallic active sites were constructed.The first coordination shell of the active site was reengineered and the second coordination shell was redesigned. The structure and function of the resultant artificial biocatalysts were studied.

  • Research Products

    (9 results)

All 2013 2012 2011 Other

All Journal Article (4 results) Presentation (4 results) Remarks (1 results)

  • [Journal Article] Photocatalytic Hydrogen Evolution by a Diiron Hydrogenase Model Based on a Peptide Fragment of Cytochrome c556 with an Attached Diiron Carbonyl Cluster and an Attached Ruthenium Photosensitizer2012

    • Author(s)
      Y. Sano, A. Onoda, T. Hayashi
    • Journal Title

      J. Inorg. Biochem

      Volume: 105 Pages: 159-162

  • [Journal Article] Crystal Structure and Spectroscopic Studies of a Stable Mixed-Valent State of the Hemerythrin-like Domain of a Bacterial Chemotaxis Protein2011

    • Author(s)
      A. Onoda, Y. Okamoto, H. Sugimoto, Y. Shiro, T. Hayashi
    • Journal Title

      Inorg. Chem.

      Volume: 50 Pages: 4892-4899

  • [Journal Article] A Hydrogenase Model System Based on the Sequence of Cytochrome c: Photochemical Hydrogen Evolution in Aqueous Media2011

    • Author(s)
      Y. Sano, A. Onoda, T. Hayashi
    • Journal Title

      Chem. Commun

      Volume: 48 Pages: 8229 -8231

  • [Journal Article] Preparation and Reactivity of a Tetranuclear Fe(II) Core in the Metallothionein -Domain2011

    • Author(s)
      Y. Sano, A. Onoda, R. Sakurai, H. Kitagishi, T. Hayashi
    • Journal Title

      J. Inorg. Biochem

      Volume: 105 Pages: 702-708

  • [Presentation] 水溶性[FeFe]ヒドロゲナーゼ活性中心モデルへのアプローチ:鉄二核カルボニル錯体とβバレルタンパク質キャビィティー内に変異導入したシステインとの錯形成反応2013

    • Author(s)
      木原佳彦、小野田晃、林高史
    • Organizer
      日本化学会第93春季年会
    • Place of Presentation
      草津
    • Year and Date
      2013-03-22
  • [Presentation] ヘムエリスリン類縁タンパク質の機能解析とその活性部位近傍に変異を導入したグルタミン酸の影響2012

    • Author(s)
      岡本泰典、小野田晃、林高史
    • Organizer
      第22回金属の関与数r生体関連反応シンポジウム
    • Place of Presentation
      金沢
    • Year and Date
      2012-05-31
  • [Presentation] 機能改変を指向した酸素運搬鉄二核タンパク質 の 配位アミノ酸変異体の調製および反応性の検討2011

    • Author(s)
      岡本泰典、小野田晃、林高史
    • Organizer
      第44回酸化反応討論会
    • Place of Presentation
      吹田
    • Year and Date
      2011-11-05
  • [Presentation] 機能改変を指向した酸素運搬鉄二核タンパク質 の 配位アミノ酸変異体の調製および反応性の検討2011

    • Author(s)
      佐野洋平、小野田晃、林高史
    • Organizer
      第61回錯体化学討論会
    • Place of Presentation
      岡山
    • Year and Date
      2011-09-11
  • [Remarks]

    • URL

      http://www.chem.eng.osaka-u.ac.jp/~hayashiken/index.html

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Published: 2014-09-25  

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