Phosphorylation of histone H3.3 at serine 31 by CHK1 is shown to stimulate activity of the acetyltransferase p300 in trans. Depletion of histone H3.3 in embryonic stem cells reduces enhancer acetylation during differentiation.
- Sara Martire
- Aishwarya A. Gogate
- Laura A. Banaszynski