alexa Effects of the chemomechanical stepping cycle on the traffic of molecular motors.


Journal of Biosensors & Bioelectronics

Author(s): Klumpp S, Chai Y, Lipowsky R

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Abstract We discuss effects of the stepping kinetics of molecular motors on their traffic behavior on crowded filaments using a simple two-state chemomechanical cycle. While the general traffic behavior is quite robust with respect to the detailed kinetics of the step, a few observable parameters exhibit a strong dependence on these parameters. Most strikingly, the effective unbinding rate of the motors may both increase and decrease with increasing traffic density, depending on the details of the motor step. Likewise the run length either exhibits a strong decrease or almost no dependence on the traffic density. We compare our theoretical results with recent experimental observations on motor traffic. This article was published in Phys Rev E Stat Nonlin Soft Matter Phys and referenced in Journal of Biosensors & Bioelectronics

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