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Structural biochemistry of radical-utilizing enzymes and their activating proteins

Research Project

Project/Area Number 17370038
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Structural biochemistry
Research InstitutionOkayama University

Principal Investigator

TORAYA Tetsuo  Okayama University, 大学院自然科学研究科, 教授 (70026318)

Co-Investigator(Kenkyū-buntansha) 飛松 孝正  岡山大学, 大学院・自然科学研究科, 准教授 (30188768)
森 光一  岡山大学, 大学院・自然科学研究科, 助教 (50379715)
Co-Investigator(Renkei-kenkyūsha) TOBIMATSU Takamasa  岡山大学, 大学院自然科学研究科, 准教授 (30188768)
MORI Koichi  岡山大学, 大学院自然科学研究科, 助教 (50379715)
Project Period (FY) 2005 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥12,360,000 (Direct Cost: ¥11,400,000、Indirect Cost: ¥960,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2006: ¥1,700,000 (Direct Cost: ¥1,700,000)
Fiscal Year 2005: ¥6,500,000 (Direct Cost: ¥6,500,000)
Keywordsラジカル酵素 / B12補酵素 / ジオールデヒドラターゼ / グリセロールデヒドラターゼ / 再活性化因子 / 分子シャペロン / 超分子複合体 / 立体構造 / 特異性 / 計算化学的変異 / 理論化学 / メチオニンシンターゼ / ハイブリッド酵素 / 立体構造解析 / 国際情報交換 / オーストリア
Research Abstract

ラジカル酵素は、生体内においてラジカルの高い反応性を制御しつつ利用することで化学的に困難な反応を触媒する。本研究では、B12関与酵素および他のラジカル酵素の結晶構造を解析し、各種の方法論を駆使して精密触媒機構を解明した。また、B12関与ラジカル酵素の再活性化蛋白質の結晶構造を解析し、それらの精密作用機作を明らかにした。さらに、両者の共発現により、ラジカル酵素の不安定性が克服でき、有用物質生産に有効であることを示した。

Report

(5 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • 2005 Annual Research Report
  • Research Products

    (93 results)

All 2009 2008 2007 2006 2005 Other

All Journal Article (30 results) (of which Peer Reviewed: 23 results) Presentation (57 results) Book (3 results) Remarks (1 results) Patent(Industrial Property Rights) (2 results)

  • [Journal Article] What is the Identity of the Metal Ions in the Active Sites of Coenzyme B(12)-Dependent Diol Dehydratase- A Computational Mutation Analysis2009

    • Author(s)
      Kamachi T, Takahata M, Toraya T,Yoshizawa K
    • Journal Title

      Journal of Physical Chemistry B (印刷中)

      Pages: 0-0

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] What is the Identity of the Metal Ions in the Active Sites of Coenzyrme B(12)-Dependent Diol Dehvdratase? A Computational Mutation Analysis.2009

    • Author(s)
      T. Kamachi
    • Journal Title

      Journal of Physical Chemistry B (印刷中)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Roles of adenine anchoring and ion pairing at the coenzyme B12-binding site in diol dehydratase catalysis2008

    • Author(s)
      Ogura K, Kunita S, Mori K, Tobimatsu T,Toraya T
    • Journal Title

      FEBS Journal 275(24)

      Pages: 6204-6216

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Mechanism-based inactivation of coenzyme B12-dependent diol dehydratase by 3-unsaturated 1,2-diols and thioglycerol2008

    • Author(s)
      Toraya T, Tamura N, Watanabe T,Yamanishi M, Hieda N, Mori K
    • Journal Title

      Journal of Biochemistry 144(4)

      Pages: 437-446

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] cDNA cloning,expression, and characterization of methyl-CpG-inding domain type 2/3 proteins from starfish and sea urchin2008

    • Author(s)
      Matsumoto M, Toraya T
    • Journal Title

      Gene 420(2)

      Pages: 125-134

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 酵素科学と理論化学との連携 -酵素研究の新しいパラダイムを求めて-2008

    • Author(s)
      虎谷哲夫、蒲池高志、吉澤一成
    • Journal Title

      生化学 80(2)

      Pages: 132-138

    • NAID

      10021191011

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Histidine-a143 Assists 1,2-Hydroxyl Group Migration and Protects Radical Intermediates in Coenzyme B12-Dependent Diol Dehydratase2008

    • Author(s)
      Kinoshita K, Kawata M, Ogura K, Yamasaki A, Watanabe T, Komoto N, Hieda N, Yamanishi M, Tobimatsu T, Toraya T
    • Journal Title

      Biochemistry 47(10)

      Pages: 3162-3173

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] cDNA cloning, expression, and characterization of methyl-CpG-binding domain type 2/3 proteins from starfish and sea urchin2008

    • Author(s)
      M. Matsumoto
    • Journal Title

      Gene 420(2)

      Pages: 125-134

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Mechanism-based inactivation of coenzyme B12-dependent diol dehydratase by3-unsaturated 1, 2-diols and thioglycerol2008

    • Author(s)
      T. Toraya
    • Journal Title

      Journal of Biochemistry 144(4)

      Pages: 437-446

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Roles of adenine anchoring and ion pairing at the coenzyme B12-binding site in diol dehydratase catalysis2008

    • Author(s)
      K. Ogura
    • Journal Title

      FEBS Journal 275(24)

      Pages: 6204-6216

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 酵素科学と理論化学との連携 -酵素研究の新しいパラダイムを求めて-2008

    • Author(s)
      虎谷 哲夫
    • Journal Title

      生化学 80(2)

      Pages: 132-138

    • NAID

      10021191011

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Histidine-a143 Assists 1,2-Hydroxyl Group Migration and Protects Radical Intermediates in Coenzyme B12-Dependent Diol Dehydratase2008

    • Author(s)
      Kinoshita K
    • Journal Title

      Biochemistry 47(10)

      Pages: 3162-3173

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Molecular basis for specificities of reactivating factors for adenosylcobalamin-dependent diol and glycerol dehydratases2007

    • Author(s)
      Kajiura H, Mori K, Shibata N, Toraya T
    • Journal Title

      FEBS Journal 274(21)

      Pages: 5556-5566

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Computational mutation analysis of hydrogen abstraction and radical rearrangement steps in the catalysis of coenzyme B12-dependent diol dehydratase2007

    • Author(s)
      Kamachi T, Toraya T, Yoshizawa K
    • Journal Title

      Chemistry 13(28)

      Pages: 7864-7873

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Construction and Characterization of Hybrid Dehydratases between Adenosylcobalamin-dependent Diol and Glycerol Dehydratases2007

    • Author(s)
      Sakai T, Yamasaki A, Toyofuku S, Nishiki T, Yunoki M, Komoto N, Tobimatsu T, Toraya T
    • Journal Title

      Journal of Nutritional Science and Vitaminology 53(2)

      Pages: 102-108

    • NAID

      110006273093

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Molecular basis for specificities of reactivating factors for adenosylcobalamin-dependent diol and glycerol dehydratases2007

    • Author(s)
      Kajiura H
    • Journal Title

      FEBS Journal 274(21)

      Pages: 5556-5566

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Computational mutation analysis of hydrogen abstraction and radical rearrangement steps in the catalysis of coenzyme B12-dependent diol dehydratase2007

    • Author(s)
      Kamachi T
    • Journal Title

      Chem. Eur. J 13(28)

      Pages: 7864-7873

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Construction and Characterization of Hybrid Dehydratases between Adenosylcobalamin-dependent Diol and Glycerol Dehydratases2007

    • Author(s)
      Sakai T
    • Journal Title

      Journal of Nutritional Science and Vitaminology (In press)

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Human methionine synthase reductase is a molecular chaperone for human methionine synthase2006

    • Author(s)
      Yamada K, Kawata T, Wada M, Mori K, Tamai H, Tanaka N, Tadokoro T, Tobimatsu T,Toraya T, Maekawa A
    • Journal Title

      Proceedings of the National Academy of Sciences of the United States of America 103(25)

      Pages: 9476-9481

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Does cob(II)alamin act as a conductor in coenzyme B(12) dependent mutases?2006

    • Author(s)
      Kozlowski PM, Kamachi T, Toraya T,Yoshizawa K
    • Journal Title

      Angewante Chemie International Editoin 46(6)

      Pages: 980-983

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Survey of catalytic residues and essential roles of glutamate-a170 and aspartate-a335 in coenzyme B12-dependent diol dehydratase2006

    • Author(s)
      Kawata M, Kinoshita K, Takahashi S,Ogura K, Komoto N, Yamanishi M, Tobimatsu T, Toraya T
    • Journal Title

      Journal of Biological Chemistry 281(27)

      Pages: 18327-18334

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Survey of catalytic residues and essential roles of glutamate-α170 and aspartate-α335 in coenzyme B12-dependent diol dehydratase2006

    • Author(s)
      Kawata M
    • Journal Title

      Journal of Biological Chemistry 281(27)

      Pages: 18327-18334

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Human methionine synthase reductase is a molecular chaperone for human methionine synthase2006

    • Author(s)
      Yamada K
    • Journal Title

      Proceedings of the National Academy of Sciences of the United States of America 103(25)

      Pages: 9476-9481

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Does cob(II)alamin act as a conductor in coenzyme B(12) dependent mutases?2006

    • Author(s)
      Kozlowski PM
    • Journal Title

      Angewante Chemie International Editoin 46(6)

      Pages: 980-983

    • Related Report
      2006 Annual Research Report
  • [Journal Article] molecular chaperone-like diol dehydratase-reactivating factor in ADP-bound and nucleotide-free forms2005

    • Author(s)
      Mori K, Hieda N, Yamanishi M, Shibata N,Toraya T
    • Journal Title

      Acta Crystallographica F61(6)

      Pages: 603-605

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Release of a damaged cofactor from a coenzyme B12-dependent enzyme: X-ray structures of diol dehydratase-reactivating factor2005

    • Author(s)
      Shibata N, Mori K, Hieda N, Higuchi Y,Yamanishi M, Toraya T
    • Journal Title

      Structure 13(12)

      Pages: 1745-1754

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Homoadenosylcobalamins as probes for exploring the active sites of coenzyme B12-dependent diol dehydratase and ethanolamine ammonia-lyase2005

    • Author(s)
      Fukuoka M, Nakanishi Y, Hannak RB,Krautler B, Toraya T
    • Journal Title

      FEBS Journal 272(18)

      Pages: 4787-4796

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Release of a damaged cofactor from a coenzyme B_<12>-dependent enzyme : X-ray structures of diol dehydratase-reactivatinq factor2005

    • Author(s)
      N.Shibata
    • Journal Title

      Structure 13(12)

      Pages: 1745-1754

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Homoadenosylcobalamins as probes for exploring the active sites of coenzyme B_<12>-dependent diol dehydratase and ethanolamine ammonia-lyase2005

    • Author(s)
      M.Fukuoka
    • Journal Title

      FEBS Journal 272(18)

      Pages: 4787-4796

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Crystallization and preliminary X-ray analysis of molecular chaperone-like diol dehydratase-reactivating factor in ADP-bound and nucleotide-free forms2005

    • Author(s)
      K.Mori
    • Journal Title

      Acta Crystallographica F61(6)

      Pages: 603-605

    • Related Report
      2005 Annual Research Report
  • [Presentation] B12 補酵素関与エタノールアミンアンモニアリアーゼの性質と蛋白質工学的改変および結晶構造解析2009

    • Author(s)
      虎谷哲夫
    • Organizer
      第415 回ビタミンB 研究協議会
    • Place of Presentation
      東京都千代田区
    • Year and Date
      2009-02-13
    • Related Report
      2008 Final Research Report
  • [Presentation] B12補酵素関与エタノールアミンアンモニアリアーゼの性質と蛋白質工学的改変および結晶構造解析2009

    • Author(s)
      虎谷哲夫
    • Organizer
      第415回ビタミンB研究協議会
    • Place of Presentation
      東京都千代田区
    • Year and Date
      2009-02-13
    • Related Report
      2008 Annual Research Report
  • [Presentation] はたらくB 群ビタミンと健康2008

    • Author(s)
      虎谷哲夫
    • Organizer
      平成20 年度「ビタミンの日」講演会
    • Place of Presentation
      岡山県岡山市
    • Year and Date
      2008-12-13
    • Related Report
      2008 Final Research Report
  • [Presentation] はたらくB群ビタミンと健康2008

    • Author(s)
      虎谷哲夫
    • Organizer
      平成20年度「ビタミンの日」講演会
    • Place of Presentation
      岡山県岡山市
    • Year and Date
      2008-12-13
    • Related Report
      2008 Annual Research Report
  • [Presentation] 大腸菌ピルビン酸ギ酸リアーゼ関連蛋白質PflD の遺伝子クローン化と高発現および立体構造解析2008

    • Author(s)
      江本竜哉
    • Organizer
      第31 回日本分子生物学会年会・第81 回日本生化学会合同大会
    • Place of Presentation
      兵庫県神戸市
    • Year and Date
      2008-12-09
    • Related Report
      2008 Final Research Report
  • [Presentation] 大腸菌ピルビン酸ギ酸リアーゼ関連蛋白質PflDの遺伝子クローン化と高発現および立体構造解析2008

    • Author(s)
      江本竜哉
    • Organizer
      第31回日本分子生物学会年会・第81回日本生化学会合同大会
    • Place of Presentation
      兵庫県神戸市
    • Year and Date
      2008-12-09
    • Related Report
      2008 Annual Research Report
  • [Presentation] B12 酵素研究における理論化学との連携(その3)計算化学的変異による活性部位残基の機能解析2008

    • Author(s)
      虎谷哲夫
    • Organizer
      第414 回ビタミンB 研究協議会
    • Place of Presentation
      京都府京都市
    • Year and Date
      2008-11-15
    • Related Report
      2008 Final Research Report
  • [Presentation] B12酵素研究における理論化学との連携(その3)計算化学的変異による活性部位残基の機能解析2008

    • Author(s)
      虎谷哲夫
    • Organizer
      第414回ビタミンB研究協議会
    • Place of Presentation
      京都府京都市
    • Year and Date
      2008-11-15
    • Related Report
      2008 Annual Research Report
  • [Presentation] ビタミンB12 関与ラジカル酵素の構造と機能2008

    • Author(s)
      虎谷哲夫
    • Organizer
      九州大学先導物質化学研究所講演会
    • Place of Presentation
      福岡県福岡市
    • Year and Date
      2008-11-06
    • Related Report
      2008 Final Research Report
  • [Presentation] ビタミンB12関与ラジカル酵素の構造と機能2008

    • Author(s)
      虎谷哲夫
    • Organizer
      九州大学先導物質化学研究所講演会
    • Place of Presentation
      福岡県福岡市
    • Year and Date
      2008-11-06
    • Related Report
      2008 Annual Research Report
  • [Presentation] ジオールデヒドラターゼによる3-ヒドロキシプロピオンアルデヒド生成に対するジオールデヒドラターゼ再活性化因子の効果2008

    • Author(s)
      森光一
    • Organizer
      第60 回日本生物工学会大会
    • Place of Presentation
      宮城県仙台市
    • Year and Date
      2008-08-28
    • Related Report
      2008 Final Research Report
  • [Presentation] ジオールデヒドラターゼによる3-ヒドロキシプロピオンアルデヒド生成に対するジオールデヒドラターゼ再活性化因子の効果2008

    • Author(s)
      森光一
    • Organizer
      第60回日本生物工学会大会
    • Place of Presentation
      宮城県仙台市
    • Year and Date
      2008-08-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] Preparations, properties,and active-site structure of Escherichia coli ethanolamine ammonia-lyase2008

    • Author(s)
      T. Toraya
    • Organizer
      33rd FEBSCongress & 11th IUBMB Conference
    • Place of Presentation
      Greece (Athens)
    • Year and Date
      2008-06-30
    • Related Report
      2008 Final Research Report
  • [Presentation] Preparations, properties, and active-site structure of Escherichia coliethanolamine ammonia-lyase2008

    • Author(s)
      T. Toraya
    • Organizer
      33rd FEBS Congress & 11th IUBMB Conference
    • Place of Presentation
      アテネ
    • Year and Date
      2008-06-30
    • Related Report
      2008 Annual Research Report
  • [Presentation] 12 補酵素再生系の構築とジオールデヒドラターゼ系への組み込みの効果2008

    • Author(s)
      小倉謙一
    • Organizer
      日本ビタミン学会第60 回大会
    • Place of Presentation
      宮城県仙台市
    • Year and Date
      2008-06-14
    • Related Report
      2008 Final Research Report
  • [Presentation] B12補酵素再生系の構築とジオールデヒドラターゼ系への組み込みの効果2008

    • Author(s)
      小倉謙一
    • Organizer
      日本ビタミン学会第60回大会
    • Place of Presentation
      宮城県仙台市
    • Year and Date
      2008-06-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] ビタミンB12補酵素関与酵素の再活性化蛋白質に関する研究2008

    • Author(s)
      森光一
    • Organizer
      日本ビタミン学会第60回大会平成20年度日本ビタミン学会奨励賞受賞講演
    • Place of Presentation
      宮城県仙台市
    • Year and Date
      2008-06-13
    • Related Report
      2008 Annual Research Report
  • [Presentation] ビタミンB12 補酵素関与酵素の再活性化蛋白質に関する研究2008

    • Author(s)
      森光一
    • Organizer
      日本ビタミン学会第60 回大会 平成20 年度日本ビタミン学会奨励賞受賞講演
    • Place of Presentation
      宮城県仙台市
    • Year and Date
      2008-06-10
    • Related Report
      2008 Final Research Report
  • [Presentation] エクノールアミンアンモニアリアーゼのX線結晶構造解析2008

    • Author(s)
      柴田直樹
    • Organizer
      第8回日本蛋白質科学会年会
    • Place of Presentation
      東京都江戸川区
    • Year and Date
      2008-06-10
    • Related Report
      2008 Annual Research Report
  • [Presentation] エタノールアミンアンモニリアーゼのX 線結晶構造解析2008

    • Author(s)
      柴田直樹
    • Organizer
      第8 回日本蛋白質科学会年会
    • Place of Presentation
      東京都江戸川区
    • Year and Date
      2008-02-19
    • Related Report
      2008 Final Research Report
  • [Presentation] B12 酵素研究における理論化学との連携:全酵素モデルを用いたQM/MM計算による精密反応機構研究2008

    • Author(s)
      虎谷哲夫
    • Organizer
      第411 回ビタミンB 研究協議会
    • Place of Presentation
      大阪府豊中市
    • Year and Date
      2008-02-19
    • Related Report
      2008 Final Research Report
  • [Presentation] 低溶解性グリセロールデヒドラターゼの創製と機能解析2007

    • Author(s)
      西木恒雄
    • Organizer
      第30 回日本分子生物学会年会・第80 回日本生化学会合同大会
    • Place of Presentation
      神奈川県横浜市
    • Year and Date
      2007-12-13
    • Related Report
      2008 Final Research Report
  • [Presentation] 低溶解性グリセロールデヒドラターゼの創製と機能解析2007

    • Author(s)
      西木 恒雄
    • Organizer
      第30回日本分子生物学会年会・第80回日本生化学会合同大会
    • Place of Presentation
      神奈川県横浜市
    • Year and Date
      2007-12-13
    • Related Report
      2007 Annual Research Report
  • [Presentation] 量子化学計算によるB12 依存ジオールデヒドラターゼのミューテーション解析2007

    • Author(s)
      吉澤一成
    • Organizer
      第30 回日本分子生物学会年会・第80 回日本生化学会合同大会
    • Place of Presentation
      神奈川県横浜市
    • Year and Date
      2007-12-11
    • Related Report
      2008 Final Research Report
  • [Presentation] βサブユニットのN 末端領域を欠失したエタノールアミンアンモニアリアーゼの調製と性質2007

    • Author(s)
      稗田直樹
    • Organizer
      第30 回日本分子生物学会年会・第80 回日本生化学会合同大会
    • Place of Presentation
      神奈川県横浜市
    • Year and Date
      2007-12-11
    • Related Report
      2008 Final Research Report
  • [Presentation] B12 補酵素関与ジオールおよびグリセロールデヒドラターゼに対する再活性化因子の特異性の分子基盤2007

    • Author(s)
      森光一
    • Organizer
      第30 回日本分子生物学会年会・第80 回日本生化学会合同大会
    • Place of Presentation
      神奈川県横浜市
    • Year and Date
      2007-12-11
    • Related Report
      2008 Final Research Report
  • [Presentation] B12補酵素関与ジオールおよびグリセロールデヒドラターゼに対する再活性化因子の特異性の分子基盤2007

    • Author(s)
      森 光一
    • Organizer
      第30回日本分子生物学会年会・第80回日本生化学会合同大会
    • Place of Presentation
      神奈川県横浜市
    • Year and Date
      2007-12-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] βサブユニットのN末端領域を欠失したエタノールアミンアンモニアリアーゼの調製と性質2007

    • Author(s)
      稗田 直樹
    • Organizer
      第30回日本分子生物学会年会・第80回日本生化学会合同大会
    • Place of Presentation
      神奈川県横浜市
    • Year and Date
      2007-12-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] 量子化学計算によるB12依存ジオールデヒドラターゼのミューテーション解析2007

    • Author(s)
      吉澤 一成
    • Organizer
      第30回日本分子生物学会年会・第80回日本生化学会合同大会
    • Place of Presentation
      神奈川県横浜市
    • Year and Date
      2007-12-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] ジオールデヒドラターゼの溶解性決定部位の同定と低溶解性グリセロールデヒドラターゼの創製2007

    • Author(s)
      西木恒雄
    • Organizer
      2007 年度酵素・補酵素研究会
    • Place of Presentation
      岡山県倉敷市
    • Year and Date
      2007-11-09
    • Related Report
      2008 Final Research Report
  • [Presentation] ジオールデヒドラターゼの溶解性決定部位の同定と低溶解性グリセロールデヒドラターゼの創製2007

    • Author(s)
      西木 恒雄
    • Organizer
      2007年度酵素・補酵素研究会
    • Place of Presentation
      岡山県倉敷市
    • Year and Date
      2007-11-09
    • Related Report
      2007 Annual Research Report
  • [Presentation] Mechanism-based inactivation of coenzyme B12-dependent diol dehydratase by 3-unsaturated 1,2-diols and thioglycerol2007

    • Author(s)
      Toraya T
    • Organizer
      Gordon Research Conference on Vitamin B12 and Corphins
    • Place of Presentation
      USA (Biddeford)
    • Year and Date
      2007-07-04
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] 不飽和1,2-ジオール類によるジオールデヒドラターゼの自殺不活性化とその機構2007

    • Author(s)
      虎谷哲夫
    • Organizer
      日本ビタミン学会第59 回大会
    • Place of Presentation
      長崎県佐世保市
    • Year and Date
      2007-05-25
    • Related Report
      2008 Final Research Report
  • [Presentation] ATP の遷移状態アナログを用いたジオールデヒドラターゼ再活性化因子の作用機作の解析2007

    • Author(s)
      森光一
    • Organizer
      日本ビタミン学会第59回大会
    • Place of Presentation
      長崎県佐世保市
    • Year and Date
      2007-05-25
    • Related Report
      2008 Final Research Report
  • [Presentation] 不飽和1,2-ジオール類によるジオールデヒドラターゼの自殺不活性化とその機構2007

    • Author(s)
      虎谷 哲夫
    • Organizer
      日本ビタミン学会第59回大会
    • Place of Presentation
      長崎県佐世保市
    • Year and Date
      2007-05-25
    • Related Report
      2007 Annual Research Report
  • [Presentation] ATPの遷移状態アナログを用いたジオールデヒドラターゼ再活性化因子の作用機作の解析2007

    • Author(s)
      森 光一
    • Organizer
      日本ビタミン学会第59回大会
    • Place of Presentation
      長崎県佐世保市
    • Year and Date
      2007-05-25
    • Related Report
      2007 Annual Research Report
  • [Presentation] B12 補酵素関与ジオールデヒドラターゼの再活性化機構:酵素-再活性化因子複合体の生成と役割2006

    • Author(s)
      森光一
    • Organizer
      特定領域研究「生体超分子の構造形成と 機能制御の原子機構」第3 回公開シンポジウム
    • Place of Presentation
      茨城県つくば市
    • Year and Date
      2006-12-12
    • Related Report
      2008 Final Research Report
  • [Presentation] B12 補酵素関与ジオールデヒドラターゼ反応におけるラジカル転移の機構と活性部位残基の役割2006

    • Author(s)
      虎谷哲夫
    • Organizer
      ビタミンB 研究委員会第406 回研究協議会
    • Place of Presentation
      京都市左京区
    • Year and Date
      2006-11-25
    • Related Report
      2008 Final Research Report
  • [Presentation] B12 補酵素関与ジオールデヒドラターゼの再活性化機構:酵素-再活性化因子複合体の生成と役割2006

    • Author(s)
      森光一
    • Organizer
      平成18 年度酵素・補酵素を楽しむ会
    • Place of Presentation
      大分県別府市
    • Year and Date
      2006-10-07
    • Related Report
      2008 Final Research Report
  • [Presentation] B12 補酵素関与ジオールデヒドラターゼの精密触媒機構:ラジカル転移における活 性部位残基の役割2006

    • Author(s)
      虎谷哲夫
    • Organizer
      平成18 年度酵素・補酵素を楽しむ会
    • Place of Presentation
      大分県別府市
    • Year and Date
      2006-10-07
    • Related Report
      2008 Final Research Report
  • [Presentation] B12 酵素の分子シャペロン様再活性化因 子 特定領域研究「生体超分子の構造形成と 機能制御の原子機構」2006

    • Author(s)
      虎谷哲夫
    • Organizer
      第2 回ワークショップ
    • Place of Presentation
      神奈川県三浦郡葉山町
    • Year and Date
      2006-08-09
    • Related Report
      2008 Final Research Report
  • [Presentation] Roles of Eβ97 of coenzyme B12-dependent diol dehydratase and Eβ31, Tα105, Dα166, and Dα183 in the Mg2+-bindingsite of diol dehydratase-reactivating factor for reactivation of inactivated holoenzyme2006

    • Author(s)
      Y. Hosokawa
    • Organizer
      20th IUBMB International Congress of Biochemistry and Molecular Biology and 11th FAOBMB Congress
    • Place of Presentation
      Kyoto,Japan
    • Year and Date
      2006-06-19
    • Related Report
      2008 Final Research Report
  • [Presentation] ビタミンB12 酵素および関連金属イオンの生化学2006

    • Author(s)
      虎谷哲夫
    • Organizer
      ビタミンB 研究委員会平成17 年度シンポジウム
    • Place of Presentation
      大阪市阿倍野区旭町
    • Year and Date
      2006-02-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Radical catalysis and reactivation of B12-dependent diol and glycerol dehydratases2006

    • Author(s)
      T. Toraya
    • Organizer
      Radicals in enzymatic catalysis
    • Place of Presentation
      Margurg,Germany
    • Related Report
      2008 Final Research Report
  • [Presentation] Molecular chaperone-like reactivating factors for coenzyme B12 dependent enzymes、Pacifichem 20052005

    • Author(s)
      T. Toraya
    • Organizer
      Activating and Reactivating Proteins for B12 and Radical Enzymes
    • Place of Presentation
      USA(Honolulu)
    • Year and Date
      2005-12-19
    • Related Report
      2008 Final Research Report
  • [Presentation] B12 補酵素関与ジオールデヒドラターゼの再活性化因子:結晶構造と精密作用機作2005

    • Author(s)
      虎谷哲夫
    • Organizer
      第402 回ビタミンB 研究委員会
    • Place of Presentation
      京都市左京区
    • Year and Date
      2005-11-26
    • Related Report
      2008 Final Research Report
  • [Presentation] X-ray structure and action mechanism of molecular chaperone-like reactivating factor for coenzyme B12-dependent diol dehydratase International Interdisciplinary Conference on Vitamins2005

    • Author(s)
      T. Toraya
    • Organizer
      Coenzymes, and Biofactors 2005
    • Place of Presentation
      Japan (Awaji)
    • Year and Date
      2005-11-11
    • Related Report
      2008 Final Research Report
  • [Presentation] Protein engineering of adenosylcobalamin-dependent diol dehydratase for less susceptibility to glycerol, International Interdisciplinary Conference on Vitamins2005

    • Author(s)
      T. Tobimatsu
    • Organizer
      Coenzymes, and Biofactors 2005
    • Place of Presentation
      Japan (Awaji)
    • Year and Date
      2005-11-11
    • Related Report
      2008 Final Research Report
  • [Presentation] Mechanism of action of reactivating factor for adenosylcobalamin dependent diol dehydratase: Evidence for displacement of DdrB by diol dehydratase and catalytic turnovers, International Interdisciplinary Conference on Vitamins2005

    • Author(s)
      K. Mori
    • Organizer
      Coenzymes, and Biofactors 2005
    • Place of Presentation
      Japan (Awaji)
    • Year and Date
      2005-11-10
    • Related Report
      2008 Final Research Report
  • [Presentation] Purification and properties of the reactivating factor for coenzyme B12-dependent ethanolamine ammonia-lyase, International Interdisciplinary Conference on Vitamins2005

    • Author(s)
      N. Hieda
    • Organizer
      Coenzymes, and Biofactors 2005
    • Place of Presentation
      Japan (Awaji)
    • Year and Date
      2005-11-08
    • Related Report
      2008 Final Research Report
  • [Presentation] Roles of Dα8, Dα413,G α556, and Gα557 in the ATPase domain of the reactivating factor for coenzyme B12-dependent diol dehydratase2005

    • Author(s)
      K. Obayashi
    • Organizer
      第78 回日本生化学会大会
    • Place of Presentation
      神戸市中央区港島中町
    • Year and Date
      2005-10-20
    • Related Report
      2008 Final Research Report
  • [Presentation] How a damagedc of actor is released from a coenzyme B12 dependent enzyme: Crystal structures of diol dehydratase-reactivating factor2005

    • Author(s)
      N. Shibata
    • Organizer
      第78 回日本生化学会大会
    • Place of Presentation
      神戸市中央区港島中町
    • Year and Date
      2005-10-20
    • Related Report
      2008 Final Research Report
  • [Presentation] Characterizationof the complexes between coenzyme B12-dependent diol dehydratase and its reactivating factor2005

    • Author(s)
      K. Mori
    • Organizer
      第78 回日本生化学会大会
    • Year and Date
      2005-10-20
    • Related Report
      2008 Final Research Report
  • [Presentation] Characterization and action of a reactivating factor for adenosylcobalamin-dependent ethanolamine ammonia-lyase2005

    • Author(s)
      N. Hieda
    • Organizer
      第78 回日本生化学会大会
    • Place of Presentation
      神戸市中央区港島中町
    • Year and Date
      2005-10-20
    • Related Report
      2008 Final Research Report
  • [Presentation] Radical B12 enzymes (eliminating) and their reactivating factors2005

    • Author(s)
      T. Toraya
    • Organizer
      Gordon Research Conference on Vitamin B12 & Corphins
    • Place of Presentation
      UK(Oxford)
    • Year and Date
      2005-09-18
    • Related Report
      2008 Final Research Report
  • [Presentation] Crystallization and structure analysis of molecular chaperone-like reactivating factor for coenzyme B12 dependent diol dehydratase2005

    • Author(s)
      T. Toraya
    • Organizer
      30th FEBS Congress-9th IUBMB Conference
    • Place of Presentation
      Hungary (Budapest)
    • Year and Date
      2005-07-03
    • Related Report
      2008 Final Research Report
  • [Presentation] B12 補酵素関与ジオールデヒドラターゼ反応におけるHisα143 残基の役割2005

    • Author(s)
      木下宏一郎
    • Organizer
      第57 回日本ビタミン学会大会
    • Place of Presentation
      三重県志摩市
    • Year and Date
      2005-05-27
    • Related Report
      2008 Final Research Report
  • [Book] 酵素ハンドブック(共著者多数のため、本人担当分の抽出不能)2008

    • Author(s)
      虎谷哲夫
    • Publisher
      朝倉書店
    • Related Report
      2008 Final Research Report
  • [Book] 酵素ハンドブック 第3版2008

    • Author(s)
      虎谷哲夫
    • Total Pages
      996
    • Publisher
      朝倉書店
    • Related Report
      2008 Annual Research Report
  • [Book] タンパク質科学2005

    • Author(s)
      虎谷哲夫
    • Publisher
      化学同人
    • Related Report
      2008 Final Research Report
  • [Remarks] ホームページ

    • URL

      http://www.okayama-u.ac.jp/labs/toraya/TOP.html

    • Related Report
      2008 Final Research Report
  • [Patent(Industrial Property Rights)] 親水性ジオールデヒドラターゼ及び疎水性グリセロールデヒドラターゼを製造する方法2006

    • Inventor(s)
      向山正治・虎谷哲夫・飛松孝正・川田真裕・安田信三.堀川 洋
    • Industrial Property Rights Holder
      向山正治・虎谷哲夫・飛松孝正・川田真裕・安田信三.堀川 洋
    • Filing Date
      2006-03-22
    • Related Report
      2008 Final Research Report
  • [Patent(Industrial Property Rights)] グリセリンから3-ヒドロキシプロピオン酸を製造する方法2005

    • Inventor(s)
      向山正治・虎谷哲夫
    • Industrial Property Rights Holder
      向山正治・虎谷哲夫
    • Filing Date
      2005-09-22
    • Related Report
      2008 Final Research Report

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Published: 2005-04-01   Modified: 2016-04-21  

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