Pore-polymer interaction reveals non-universality in forced polymer translocation

Details Pore-polymer interaction reveals non-universality in forced polymer translocation Pore-polymer interaction reveals non-universality in forced polymer translocation

2010-08-21

arxiv.org/abs/1008.3616v1

Physics

Biological Physics

Scientific paper

We present a numerical study of forced polymer translocation by using two separate pore models. Both of them have been extensively used in previous forced translocation studies. We show that variations in the pore model affect the forced translocation characteristics significantly in the biologically relevant pore force, i.e. driving force, range. Details of the model are shown to change even the obtained scaling relations, which is a strong indication of strongly out-of-equilibrium dynamics in the computational studies which have not yet succeeded in addressing the characteristics of the forced translocation for biopolymers at realistic length scale.

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