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. 2012 Jan 17;7(1):e30158. doi: 10.1371/journal.pone.0030158

Figure 3. Tissue-specificity of Polr2a binding at outlier genes.

Figure 3

(A) Associations between TE density and tissue-specificity of Polr2a binding. All gene sets are divided into two categories according to the Polr2a binding pattern of genes: the high tissue-specific (high-TS) and the low tissue-specific (low-TS). The proportions corresponding to the above two categories are shown for SUOs, SLOs and the genomic background as side-by-side bars. Error bars are standard errors derived from the total number of genes (sample size) in each gene set. (B) Tissue-type composition of SUOs/SLOs associated with strong Polr2a binding in only one tissue. For each gene set, the proportion taken by each tissue type is shown with corresponding color in a stacked bar. The ‘genomic background’ was calculated based on all mouse genes > 10 kb that show strong Polr2a binding in only one tissue. The color scheme for different tissue types is shown at the top.