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Predicted promoters for hugZ, hugAW, and tonB. The DNA sequences of the putative hugZ promoter (A) and of the putative hugAW-tonB promoters (B) are shown. The numbers to the left of the sequences indicate the positions of the first nucleotide in the sequences. The heavy horizontal arrows indicate the direction of transcription. The predicted −10 and −35 regions are underlined and labeled. The putative Fur boxes are indicated with a heavy black line underneath the sequence.
