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Figure 2.
(a) Ribbon representation of the MgrA dimer with one subunit
colored blue and the dyadic mate colored green. The N and C
termini and secondary structural elements of one monomer are
labeled (  ,
-helices;
 ,
-sheets;
W1, the wing region). Numbering is according to MgrA primary
sequence (Supplementary Fig. 4). Potential DNA-interacting basic
residues on the DNA binding domain are shown together with one
ordered sulfate anion per monomer.
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