Evaluating mean intrinsic curvature of disordered semiflexible biopolymers

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Title:	Evaluating mean intrinsic curvature of disordered semiflexible biopolymers
Authors:	Hung, Chin-Yi;Zhou, Zicong;Young, Yuan-Shin;Lin, Fang-Ting
Contributors:	淡江大學物理學系
Keywords:	intrinsic curvature;Semiflexible biopolymers;sequences disorder
Date:	2012-09
Issue Date:	2013-02-19 10:20:30 (UTC+8)
Publisher:	Singapore: World Scientific Publishing
Abstract:	We study two-dimensional disordered semiflexible biopolymers with finite mean intrinsic curvature (MIC). We find exact distribution function of orientational angle for the system with short-range correlation (SRC) in intrinsic curvatures. We show that with a finite MIC, our theoretical end-to-end distances can be fitted well to some experimental data of DNA with long-range correlation (LRC) in sequences. Moreover, we find that the variance of the orientational angle has the same power-law behavior as that of the bending profile for DNA with LRC in sequences. Our results provide a way to evaluate MIC and suggest that the LRC in sequences can result in a SRC in intrinsic curvatures.
Relation:	International Journal of Modern Physics B 26(24), 1250131(13pages)
DOI:	10.1142/S0217979212501317
Appears in Collections:	[Graduate Institute & Department of Physics] Journal Article

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