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Two-dimensional model of elastically coupled molecular motors

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【Author】 Zhang Hong-Wei a)b),Wen Shu-Tang a)c),Chen Gai-Rong c),Li Yu-Xiao a),Cao Zhong-Xing c),and Li Wei c) a) School of Physics and Engineering,Zhengzhou University,Zhengzhou 450052,China b) Department of Physics,Zhengzhou Normal University,Zhengzhou 450044,China c) School of Chemistry and Chemical Engineering,Xinxiang University,Xinxiang 453003,China

【机构】 School of Physics and Engineering,Zhengzhou University； Department of Physics,Zhengzhou Normal University； School of Chemistry and Chemical Engineering,Xinxiang University；

【摘要】 A flashing ratchet model of a two-headed molecular motor in a two-dimensional potential is proposed to simulate the hand-over-hand motion of kinesins.Extensive Langevin simulations of the model are performed.We discuss the dependences of motion and efficiency on the model parameters,including the external force and the temperature.A good qualitative agreement with the expected behavior is observed.更多还原

【Abstract】 A flashing ratchet model of a two-headed molecular motor in a two-dimensional potential is proposed to simulate the hand-over-hand motion of kinesins.Extensive Langevin simulations of the model are performed.We discuss the dependences of motion and efficiency on the model parameters,including the external force and the temperature.A good qualitative agreement with the expected behavior is observed.更多还原

【关键词】 Brownian motors； ratchet； current； efficiency；
【Key words】 Brownian motors； ratchet； current； efficiency；

【基金】 Project supported by the Educational Commission of Henan Province,China (Grant No. 2006140015);the Science and Technology Planning Project of Henan Province,China (Grant No. 092300410142)

【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2012年03期

【分类号】O561
【被引频次】4
【下载频次】33

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