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The Conformational Effects of UV Induced Damage on DNA

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Interrelationship Among Aging, Cancer and Differentiation

Abstract

Energy minimization techniques are used in conjunction with the results of small molecule crystallographic studies on relevant compounds to propose structural models for photodamaged DNAs. Specifically, we present models both for a DNA molecule containing a psoralen photo-crosslink and for a DNA molecule containing a thymine photodimer. In both models, significant distortions of the nucleic acid helix are observed, including kinking and unwinding at the damage site and numerous changes in the backbone torsion angles relative to their standard conformations.

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© 1986 D. Reidel Publishing Company, Dordrecht, Holland

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Pearlman, D.A., Holbrook, S.R., Kim, SH. (1986). The Conformational Effects of UV Induced Damage on DNA. In: Pullman, B., Ts’o, P.O.P., Schneider, E.L. (eds) Interrelationship Among Aging, Cancer and Differentiation. The Jerusalem Symposia on Quantum Chemistry and Biochemistry, vol 18. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-5466-3_17

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  • DOI: https://doi.org/10.1007/978-94-009-5466-3_17

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-8913-5

  • Online ISBN: 978-94-009-5466-3

  • eBook Packages: Springer Book Archive

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