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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: Trends Immunol. 2015 Aug 19;36(9):507–518. doi: 10.1016/j.it.2015.07.006

Figure 3. Chromatin transitions to active enhancers involve interactions between cell lineage-determining transcription factors and signal-dependent factors.

Figure 3

a. Enhancers primed by lineage determining factors frequently require signal-dependent transcription factor binding to gain H3K27ac and become active.

b. Active enhancers can also be selected by interactions between signal-dependent factors and lineage determining factors.