Additional file 1.
Signal patterns of Pol II around TSS and TTS regions (from -4 kb to 4 kb) at different developmental stages. At each stage, the signals were normalized by subtracting the average and then divided by the standard deviation of the signals over all the 160 bins. The location of the TSS and TTS are marked as dotted lines.
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Cheng et al. Genome Biology 2011 12:R15 doi:10.1186/gb-2011-12-2-r15