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RecA promoter activity as measured by luciferase production. Luciferase assays were performed as described in the materials and methods. Luminescence was normalized to the OD590 of each culture to give relative luciferase units (RLUs). The mean of at least three different assays containing at least three different cultures for each point is shown. Error bars indicated the standard deviation of the mean. (Wild type, AB1157; radA, STL10550; recG, STL10067; radA recG, STL11258).
