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Physics  2010 

Phase Transition between 'A' and 'B' forms of DNA: A Free Energy Perspective

DOI: 10.1103/PhysRevE.81.032901

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Abstract:

We study the structural transition from `B' form of DNA to 'A' form of DNA using group theoretic methods. The transition is not of the order-disorder type and hence to construct a Landau kind of theory for the transition we define a higher symmetry and relevant order parameters. We also discuss the issue of all the conformations, observed experimentally during the course of transition, being fundamentally different or not.

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