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|Title:||Effect of backbone ζ torsion angle on low energy single base opening in B-DNA crystal structures||Authors:||Chen, Y.Z.
|Issue Date:||8-May-1998||Citation:||Chen, Y.Z.,Mohan, V.,Griffey, R.H. (1998-05-08). Effect of backbone ζ torsion angle on low energy single base opening in B-DNA crystal structures. Chemical Physics Letters 287 (5-6) : 570-574. ScholarBank@NUS Repository.||Abstract:||The effect of backbone ζ torsion angle on low energy single base opening in the available B-DNA crystal duplex structures has been studied. This work is based on our earlier method in which ζ torsion angle (C3'-O3'-P-O5') has been identified as the reaction coordinate for the opening process. Our results show a strong correlation between the magnitude of base displacement and the equilibrium ζeq angle. In all the crystal structures studied, the magnitude follows a periodic pattern with largest value at ζeq~-100° and minimum at ~-217°. The effect of other backbone torsion angles on base opening is also discussed.||Source Title:||Chemical Physics Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/104771||ISSN:||00092614|
|Appears in Collections:||Staff Publications|
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