Molecular Friction due to a Small Number of Motor Proteins in a Characean Motility Assay System
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概要
- 論文の詳細を見る
Tlae observation of the actin-nauyosira sliding taaotion in in vitro rauotility assay systeuta l??rs contributed to the clatrification of' tlae drixzing f'orce of zaaotor jcroteins, Tlaose sttrdies laave strggestedthat molecttlar frictio?a in addition to laydrodyraatunic?t1 friction platys ata iza?portant role in theslidirag taaotion. Hoxx'ever, it laas not 3zet lceera disctrssed IIOXV the uaaolecular friction takes part inthe sliding uaaotion due to a fexv taaotors or 21 siuugle r?aotor protein. Tlais stttdy, at first, has experinaentally estinaaated tlae uaaolecttlar f'riction in ;+ Characearn taaotility 218821) systetn trsing clueuaaicallynnnodiEed Char'a uaayositas. Next, XVCI hatxxe cotastrtrcted a Laragevina eqtrationa far tlae sliding raaotionQll tlae basis of' tlae naolectrlsrr level picture projcosed by Tax'x'ada and Sekiuaaoto. It has been f'otrndfrozn the rauodel that the rtuolectrlar frictiota afl'ects the sliding unotion even xvhen a sraaall ntrnaberof uaayosins interact xvith tlae actira filarnerut. Last. xve have discussed tlae nuolectrlar frictioza dtreto a SIIIOII ntrraaber of' uaaotor proteiuas qtraratitative13'.
- 社団法人日本物理学会の論文
- 1999-03-15
著者
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TSUCHIYA Yoshimi
Department of Applied Physics,Tokyo Institute of Technology
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KAGAWA Yuki
Department of Radiology, Kinki University School of Medicine
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Kagawa Yuki
Department Of Biological Sciences Tokyo Institute Of Technology
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MIZUKAMI Yuuki
Department of Biological Sciences Tokyo,Institute of Technology
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Mizukami Y
Department Of Biological Sciences Tokyo Institute Of Technology
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Mizukami Yuuki
Department Of Biological Sciences Tokyo Institute Of Technology
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Tsuchiya Yoshimi
Department Of Applied Physics Tokyo Institute Of Technology
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Tsuchiya Yoshimi
Deparment Of Applied Physics Tokyo Institute Of Technology
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