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EMSA analysis of HcaR·DNA complex. A, HcaR complexed with DNA1 (42-mer) (labeled as CX1) and DNA2 (24-mer; used for crystallization) (labeled as CX2). B, HcaR interaction with DNA2 in the presence and absence of p-coumaric acid (pCA). Lane C, size markers nsDNA, nonspecific DNA.
