Figure 7.

CTCF is bound immediately upstream of RNA polymerase in active CpG island promoters. (a-d) CTCF is bound immediately upstream of the initiation site, with similar recruitment in CpG genes with high and medium expression (a, b) and with high and low RNA polymerase II recruitment (c, d). TSS, transcription start site.

Vavouri and Lehner Genome Biology 2012 13:R110   doi:10.1186/gb-2012-13-11-r110
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