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Title: Phase transition between A and B forms of DNA: a free-energy perspective. Author: Sanyal D. Journal: Phys Rev E Stat Nonlin Soft Matter Phys; 2010 Mar; 81(3 Pt 1):032901. PubMed ID: 20365798. 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.[Abstract] [Full Text] [Related] [New Search]