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The chirality of DNA: elasticity cross-terms at base-pair level including A-tracts and the influence of ionic strength.

Abstract:

A systematic analysis of B-DNA elasticity cross-terms was performed using molecular dynamics simulations of three different duplexes designed to contain all dinucleotide steps including a 6-mer A-tract. The influence of ionic strength was also evaluated by several trajectories of each molecule with different NaCl concentrations at physiological rank. Simulations show DNA flexibility is independent of salt, in agreement with the Odijk-Skolnick-Fixman model. In addition, our results demonstrate...

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Publication status:
Published

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Publisher copy:
10.1021/jp104133j

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Journal:
The journal of physical chemistry. B
Volume:
114
Issue:
23
Pages:
8022-8031
Publication date:
2010-06-05
DOI:
EISSN:
1520-5207
ISSN:
1520-6106
URN:
uuid:f5f3941a-eb3e-4760-8efa-8f5ed52df9ce
Source identifiers:
155898
Local pid:
pubs:155898

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