Structural study of the genome maintenance mechanism by the Werner syndrome protein WRN
Project/Area Number |
19770084
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Research Category |
Grant-in-Aid for Young Scientists (B)
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Allocation Type | Single-year Grants |
Research Field |
Structural biochemistry
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Research Institution | Nara Institute of Science and Technology |
Principal Investigator |
KITANO Ken Nara Institute of Science and Technology, 情報科学研究科, 助教 (40346309)
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Project Period (FY) |
2007 – 2008
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Project Status |
Completed (Fiscal Year 2008)
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Budget Amount *help |
¥3,880,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥480,000)
Fiscal Year 2008: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2007: ¥1,800,000 (Direct Cost: ¥1,800,000)
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Keywords | タンパク質 / X線結晶構造解析 / ウェルナー症候群 / ブルーム症候群 / 早老症 / DNAヘリカーゼ / X線 / 結晶構造解析 / ゲノム / 老化 / ヘリカーゼ |
Research Abstract |
ウェルナー症候群は,若い年齢で老化が急速に進行する早老症の病気のひとつである。本研究ではその原因タンパク質 WRNヘリカーゼの結晶を作成し,大型放射光施設 SPring-8を使ったX線構造解析の研究を進めた。この結果,WRN RQC(RecQ C-terminal)ドメインとDNAの複合体構造を初めて決定することに成功した。WRNは尖ったヘアピン構造を“DNA巻き戻しナイフ"としてヘリカーゼ反応に用いている新事実などが明らかとなった。
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Report
(2 results)
Research Products
(50 results)
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[Journal Article] The PHCCEx domain of Tiam1/2 is a novel protein- and membrane-binding module.2010
Author(s)
Terawaki, S., Kitano, K., Mori, T., Zhai, Y., Higuchi, Y., Itoh, N., Watanabe, T., Kaibuchi, K., Hakoshima, T.
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Journal Title
EMBO J. 29(1)
Pages: 236-250
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[Journal Article] Structural basis for CD44 recognition by ERM proteins.2008
Author(s)
Mori, T., Kitano, K., Terawaki, S., Maesaki, R., Fukami, Y., Hakoshima, T.
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Journal Title
J. Biol. Chem. 283(43)
Pages: 29602-29612
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[Journal Article] Spatial orientation of mitochondrial processing peptidase and a preprotein revealed by fluorescence resonance energy transfer.2007
Author(s)
Nishino, TG., Kitano, K., Kojima, K., Ogishima, T., Ito, A., Kitada S.
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Journal Title
J. Biochem. 141(6)
Pages: 889-895
NAID
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[Presentation] Structural basis for CD44 recognition by ERM proteins.2008
Author(s)
Mori, T., Kitano, K., Terawaki, S., Maesaki, R., Fukami, Y., Hakoshima, T.
Organizer
The XXI Congress and Assembly of the International Union of Crystallography (IUCr2008)
Place of Presentation
Osaka, Japan
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[Presentation] Crystallization and structure of human flap endonuclease 1, FEN1, in complex with a DNA product.2008
Author(s)
Sakurai, S., Uchida, M., Kitano, K., Yamaguchi, H., Morioka, H., Hakoshima, T.
Organizer
The XXI Congress and Assembly of the International Union of Crystallography (IUCr2008)
Place of Presentation
Osaka, Japan
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[Presentation] Crystallographic characterization of the radixin FERM domain bound to cytoplasmic tail of adhesion molecule CD442007
Author(s)
Mori, T., Kitano, K., Terawaki, S., Maesaki, R., Hakoshima, T.
Organizer
The 8th Conference of the Asian Crystallographic Association (AsCA2007)
Place of Presentation
Taipei, Taiwan
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