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. 2005 Jan 27;24(4):800–812. doi: 10.1038/sj.emboj.7600545

Figure 7.

Figure 7

Stability of repressive histone lysine methylation marks at tandem but not at interspersed repeats. ChIP profile for repeat-associated histone lysine methylation states in wt chromatin of ES cells, RA-ES cells, MEFs and TS cells. The dashed line represents the threshold signal of 0.5%, above which significant enrichment for distinct histone lysine methylation states was scored. To adjust for differences in the ChIP efficiency with chromatin of distinct cell populations, samples were spiked with Drosophila chromatin as an internal standard. For clarity, enriched marks are colour-coded.