On the kinetics that moves Myosin V

Christian Maes and O’Kelly de Galway, Winny

Physica A: Statistical Mechanics and its Applications, 2015, vol. 436, issue C, 678-685

Abstract: Molecular motor proteins such as Myosin V, Dynein or Kinesin are no ratchets, at least not with a flashing asymmetric potential; the crucial asymmetry is in the dynamical activity. We make that explicit in terms of a simple Markov model, emphasizing the kinetic (and non-thermodynamic) aspects of stochastic transport. The analysis shows the presence of a fluctuation symmetry in that part of the dynamical activity which is antisymmetric under reversal of trailing and leading head of the motor. The direction of the motor motion is determined by it.

Keywords: Fluctuation symmetry; Kinetic aspects; Dynamical activity; Molecular motors (search for similar items in EconPapers)
Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:436:y:2015:i:c:p:678-685

DOI: 10.1016/j.physa.2015.05.071

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