Entropic Elasticity, Cooperative Extensibility and Supercoiling Property of DNA: A Unified Viewpoint

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dc.creatorHaijun, Zhou
dc.creatorYang, Zhang
dc.creatorZhong-can, Ou-Yang
dc.date1999-01-28
dc.date1999-04-04
dc.date.accessioned2026-07-07T03:12:42Z
dc.date.available2026-07-07T03:12:42Z
dc.descriptionA unified model is constructed to study the recently observed DNA entropic elasticity, cooperative extensibility, and supercoiling property. With the introduction of a new structural parameter (the folding angle $ϕ$), bending deformations of sugar-phosphate backbones, steric effects of nucleotide basepairs, and short-range basestacking interactions are considered. The comprehensive agreement of theoretical results with experimental observations on both torsionally relaxed and negatively supercoiled DNAs strongly indicates that, basestacking interactions, although short-ranged in nature, dominate the elasticity of DNA and hence are of vital biological significance.
dc.description4 pages in Latex format, with 3 EPS figures included. A typographic mistake in Eq. (7) is corrected in this version. A slightly different version of this paper will appear in PRL
dc.identifierhttps://arxiv.org/abs/cond-mat/9901321
dc.identifierhttp://arxiv.org/abs/cond-mat/9901321
dc.identifierPhys. Rev. Lett. 82, 6560-6563 (1999) APS copyright.
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/29015
dc.subjectSoft Condensed Matter
dc.subjectDisordered Systems and Neural Networks
dc.subjectBiological Physics
dc.subjectQuantitative Biology
dc.titleEntropic Elasticity, Cooperative Extensibility and Supercoiling Property of DNA: A Unified Viewpoint
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