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Histone H3 K4 trimethylation within the Keratin 8 gene in MCF-7 and MCF-10A cells. ChIP assays were performed with anti-trimethyl K4 Histone H3. The amount of precipitated DNA was quantified relative to input as described in Materials and Methods. The data are presented as the means ± SD of two independent experiments. The initiation site of TATA box is designated at +1.
