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. 2006 Mar;72(3):1749–1758. doi: 10.1128/AEM.72.3.1749-1758.2006

FIG. 5.

FIG. 5.

Model of regulated benA expression. Footprint data (Fig. 4) suggest that CatM binds to the same regions of the benA promoter DNA as does BenM in the absence or presence of muconate. Models of benA regulation by BenM have been presented elsewhere (6, 9). BenM mediates higher levels of muconate-activated benA transcription than does CatM, as discussed in the text.