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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: In silico simulations of occurrence of transcription factor binding sites in bacterial genomes

Fig. 1

Reverse cumulative distributions of PSSM scores for Crp (top) and Cra (bottom) binding sites in the E. coli genome (blue) and random sequences (black). The ordinate displays the number of sites in the genome with scores greater or equal to the score cutoff indicated on the abscissa. The thick black line refers to the median value in 1000 random sequences and the thin lines to the 1st, 5th, 25th, 75th, 95th, and 99th percentiles, respectively. The random sequences were generated by the models ‘b’ (left), ‘bb’ (center), and ‘m1c1’ (right; see the text for details)

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