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EnglishWe consider a jump-diffusion process that appears to be suitable to describe the displacement performed during the rising phase by a single myosin head along an actin filament as reported in numerous current publications by T. Yanagida and his co-workers. We obtain the transition density of the considered process under the Markovian assumption that the instants of occurrence of the jumps are distributed according to a Poisson process. Two different distributions for the random amplitude of the jumps are considered in detail: the Gaussian distribution and a mixture of two Gaussian distributions. By means of the present phenomenological model, certain significant analogies and qualitative agreements with the biological data are pointed out.
| Titolo: | On modeling the rising phase of myosin head displacements in single molecules processes |
| Autori: | |
| Data di pubblicazione: | 2002 |
| Abstract: | We consider a jump-diffusion process that appears to be suitable to describe the displacement performed during the rising phase by a single myosin head along an actin filament as reported in numerous current publications by T. Yanagida and his co-workers. We obtain the transition density of the considered process under the Markovian assumption that the instants of occurrence of the jumps are distributed according to a Poisson process. Two different distributions for the random amplitude of the jumps are considered in detail: the Gaussian distribution and a mixture of two Gaussian distributions. By means of the present phenomenological model, certain significant analogies and qualitative agreements with the biological data are pointed out. |
| Handle: | http://hdl.handle.net/11386/1058967 |
| ISBN: | 9783852061603 |
| Appare nelle tipologie: | 2.1.2 Articolo su libro con ISBN |
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