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Interplay of non-Markov and internal friction effects in the barrier crossing kinetics of biopolymers: Insights from an analytically solvable model
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10.1063/1.4773283
/content/aip/journal/jcp/138/1/10.1063/1.4773283
http://aip.metastore.ingenta.com/content/aip/journal/jcp/138/1/10.1063/1.4773283
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Image of FIG. 1.
FIG. 1.

Polymer chain with its end A subjected to a bistable potential provides a simple illustration of non-Markov effects in chemical kinetics of polymers. If the barrier traversal event is fast, monomers that are far from the chain end do not move in response to the transition, so, effectively, only a fraction of all the monomers participate.

Image of FIG. 2.
FIG. 2.

Fraction of the total number of monomers involved in a transition, plotted as a function of the ratio of the barrier curvature k b to the entropic elasticity of the chain, k 0/N. This fraction increases with internal friction, which is quantified by the ratio of the internal friction time scale τ i = ξ i /k 0 to the Rouse time τ s defined in Eq. (6) .

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/content/aip/journal/jcp/138/1/10.1063/1.4773283
2013-01-02
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Interplay of non-Markov and internal friction effects in the barrier crossing kinetics of biopolymers: Insights from an analytically solvable model
http://aip.metastore.ingenta.com/content/aip/journal/jcp/138/1/10.1063/1.4773283
10.1063/1.4773283
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