Figure 4.

Four simplified instances of typical acetylation patterns. Cartoon representation of typical situations around single peak and broad promoters. In the upstream cluster of H3K9 acetylation, around ~40% of the promoters have a single peak architecture (A) while ~60% have a broad architecture (B). In the centered (C) and downstream (D) cluster, the broad architecture is even more prevalent with ~80% of all cases.

Kratz et al. BMC Genomics 2010 11:257   doi:10.1186/1471-2164-11-257
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