Effect of twisting on the behavior of a double-stranded polymer chain: A Monte Carlo simulation
Effect of twisting on the behavior of a double-stranded polymer chain: A Monte Carlo simulation
复制标题
扭曲对双链聚合物链行为的影响:蒙特卡罗模拟
DOI:
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发表时间:
1999
期刊:
影响因子:
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通讯作者:
A. Khokhlov
中科院分区:
文献类型:
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作者:
Y. Velichko;K. Yoshikawa;A. Khokhlov
DNA and some proteins have a multistranded chain structure and exhibit characteristic tertiary structures due to twisting or anisotropic rigidity. We studied the effect of chain twisting on the behavior of a circular double-stranded polymer chain using a Monte Carlo simulation with bond fluctuation model. We found that there are two regimes for the chain conformation, depending on its twisting. In the first regime, with weak twisting, a circular chain behaves like a coiled linear chain. In the second regime, the chain shows scaling dependencies characterized by supercoiled structures.
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