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Calculated activities of PgalR (●), PgalE (+), PgalP (△), PgalS (○), PmglB (▴), and Pspf (♦) (solid black lines). The activity of the unregulated promoter, which was used to scale all other promoter activities to take the varying resource availability into account, is shown by the dotted line in the upper left panel. The scaled activities are shown in gray for all promoters. Promoter activities were individually normalized to the maximal activities observed (= 1).
