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Phys. Rev. E 53, 1011–1020 (1996)

Effective breather trapping mechanism for DNA transcription

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Julian J. -L. Ting
Institute für Festkörperforschung, Forschungszentrum Jülich GmbH, Postfach 1913, D-52428 Jülich, Germany

Michel Peyrard
Laboratoire de Physique de l’Ecole Normale Supérieure de Lyon, CNRS URA 1325, 46 allée d’Italie, 69007 Lyon, France

Received 31 August 1995; published in the issue dated January 1996

Collective coordinate and direct numerical integration methods are applied to the analysis of a one-dimensional DNA model. A modification of the coupling constant in an extended region is found to be less selective towards the breather it can trap than an isolated impurity. Therefore it provides a possible physical mechanism for the effect of an enzyme on DNA transcription. © 1996 The American Physical Society.

© 1996 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.53.1011
DOI:
10.1103/PhysRevE.53.1011
PACS:
87.10.+e, 03.40.Kf