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Genes with H3.3-enriched nucleosomes in the promoter are marked by H3K27me3. Metagene plot of H3K27me3 for all repressed genes (black) and for repressed genes with promoter H3.3 (red) across gene bodies (blue bar) between -3 kb and +3 kb. H3K27me3 ChIP-chip data are from [29].
