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- 樋口 秀男
- 東北大学工学研究科金属工学専攻&学際科学研究センター
書誌事項
- タイトル別名
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- Observation of motility and chemical reaction by single molecules of motor proteins
- モーター タンパクシツ 1 ブンシ ノ ウゴキ オ ミル カガク ハンノウ モ ミル
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説明
The motilities of life are produced by motor proteins, for example, myosin molecule in muscle contraction, kinesin molecule in vesicle transportation. We reviewed the mechanics reaction and single ATP turnover of individual kinesin and myosin molecules. The displacement of kinesin during force generation bound to bead was determined by measuring the position of the beads with nanometer accuracy. The analysis of movement indicates that each kinesin head mainly steps by 16 urn between the binding sites while kinesin molecules exist at 8 nm intervals. The single ATP turnover was observed using fluorescence labeled ATP. The results suggest that myosin has a memory state which stores chemical energy from ATP hydrolysis.
収録刊行物
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- 可視化情報学会誌
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可視化情報学会誌 20 (1Supplement), 25-30, 2000
社団法人 可視化情報学会
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詳細情報 詳細情報について
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- CRID
- 1390001204620866304
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- NII論文ID
- 10004570555
- 130003649186
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- NII書誌ID
- AN10374478
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- ISSN
- 1884037X
- 09164731
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- NDL書誌ID
- 4954627
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 使用不可