Permutation analysis. Histograms of TCS scores of (A) 6-bp motifs in the 5'-proximal regulatory region; and (B) 7-bp motifs in the 3'-untranslated regions. TCS scores were calculated based on gene expression levels with randomized orders (red histograms) and original orders (blue histograms).
Wang et al. BMC Genomics 2008 9(Suppl 1):S19 doi:10.1186/1471-2164-9-S1-S19