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Keywords:

  • biomolecular recognition;
  • femtosecond spectroscopy;
  • fluorescence;
  • Stokes shift
Thumbnail image of graphical abstract

Riding the waves: In a DNA–ligand complex, the time-dependent Stokes shift shows initial oscillation. Molecular dynamics simulations help assign this ripple to coherent in/out motion of the ligand together with breathing of the minor groove (see picture).