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Effector binding and concomitant structural rearrangements modulate DNA binding in NagR. Graphical summary of the DNA-binding modes and affinities observed for NagR. Dimer-forming monomers of NagR are illustrated schematically in blue. Effector molecules are depicted as red hexagons. Dre-site-specific and unspecific dsDNA is colored in orange and gray, respectively.
