A-Tract bending: insights into experimental structures by computational models.

  title={A-Tract bending: insights into experimental structures by computational models.},
  author={Daniel Strahs and Tamar Schlick},
  journal={Journal of molecular biology},
  volume={301 3},
While solution structures of adenine tract (A-tract) oligomers have indicated a unique bend direction equivalent to negative global roll (commonly termed "minor-groove bending"), crystallographic data have not unambiguously characterized the bend direction; nevertheless, many features are shared by all A-tract crystal and solution structures (e.g. propeller twisting, narrow minor grooves, and localized water spines). To examine the origin of bending and to relate findings to the… CONTINUE READING


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