Elasticity of strongly stretched ssDNA

Details Elasticity of strongly stretched ssDNA Elasticity of strongly stretched ssDNA

2007-03-12

arxiv.org/abs/q-bio/0703027v1

Biology

Quantitative Biology

Biomolecules

5 pages, 2 figures

Scientific paper

10.1016/j.physa.2007.04.119

We present a simple model which describes elastic response of single-stranded DNA (ssDNA) to stretching, including the regime of very high force (up to 1000 pN). ssDNA is modelled as a discreet persistent chain, whose ground state is a zigzag rather than a straight line configuration. This mimics the underlying molecular architecture and helps to explain the experimentally observed staturation of the stretching curve at very high force.

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