Volume 59, Number 3, August 2002
|Page(s)||403 - 409|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 September 2002|
Nonlinearity-induced conformational instability and dynamics of biopolymers
Nonlinear Physics Group,
Research School of Physical Sciences and Engineering
Australian National University - Canberra ACT 0200, Australia
2 Informatics and Mathematical Modeling, The Technical University of Denmark DK-2800 Lyngby, Denmark
3 Bogolyubov Institute for Theoretical Physics - 14-B Metrologichna Street 03143 Kiev, Ukraine
Accepted: 8 May 2002
We propose a simple phenomenological model for describing the conformational dynamics of biopolymers via the nonlinearity-induced buckling and collapse instability. We describe the buckling instability analytically, and then demonstrate its role in the folding dynamics of macromolecules through the three-dimensional numerical simulations of long semiflexible chains.
PACS: 63.20.Pw – Localized modes / 87.15.By – Structure and bonding / 87.15.-v – Biomolecules: structure and physical properties
© EDP Sciences, 2002
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