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Comparison of sequences in the benA and catB promoter regions. The sequences are aligned relative to the transcription initiation site (+1), and identity is indicated (:). The significance of the ben region sites 1, 2, and 3 is discussed in the text. Gray shading indicates a consensus sequence (ATAC-N7-GTAT) used to bind CatM (29), BenM (6), and other related members in a subclass of LysR-type regulators.
