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FurA binds DNA fragments covering the M. tuberculosis furA upstream region. (A) Map of the DNA fragments. (B) Gel shift caused by FurA. FurA binding was performed as described in the legend to Fig. 3, except that 12 μM FurA was added. (C) Specificity of FurA binding. Specific (same DNA fragment) and nonspecific (1111 DNA fragment) competitor DNA was added to each binding reaction mixture at 3,000 M.
