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Roles for GcvA-binding sites 3 and 2 and the Lrp-binding region in gcvT::lacZ expression in Escherichia coli.
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GcvA interacts with both the alpha and sigma subunits of RNA polymerase to activate the Escherichia coli gcvB gene and the gcvTHP operon.
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Mutational analysis of the transcriptional regulator GcvA: amino acids important for activation, repression, and DNA binding.
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The cyclic AMP receptor protein is dependent on GcvA for regulation of the gcv operon.
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1
ExsA recruits RNA polymerase to an extended -10 promoter by contacting region 4.2 of sigma-70.
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