拉伸是否可导致负超螺旋 DNA 双螺旋从右手至左手结构转变?
软凝聚态物质
2007-05-23 v2 统计力学
生物物理
q-bio
摘要
基于我们先前提出的理论模型 [H. Zhou 等，Phys. Rev. Lett. 82, 4560 (1999)]，研究拉伸和负超螺旋 DNA 双螺旋的折叠角分布. 结果表明，拉伸可使负超螺旋 DNA 双螺旋从右手 B 形态转变至类似 DNA Z 形态的左手构型. 计算了这种可能的能态转变，并对比讨论了与最近实验观察的定性一致性.
引用
@article{arxiv.cond-mat/9908129,
title = {Can pulling cause right- to left-handed structural transitions in negatively supercoiled DNA double-helix?},
author = {Zhou Haijun and Ou-Yang Zhong-can},
journal= {arXiv preprint arXiv:cond-mat/9908129},
year = {2007}
}
备注
3 pages. A new paragraph as well as two figures are added in the revised paper. A new reference (Ref. 7) is included