Gene expression data from mouse HDAC4 KO pups, postnatal day 3

Reversible protein acetylation provides a central mechanism for controlling gene expression and cellular signaling events. It is governed by the antagonistic commitment of two enzymes families: the histone acetyltransferases (HATs) and the histone deacetylases (HDACs). HDAC4, like its class IIa counterparts, is a potent transcriptional repressor through interactions with tissue-specific transcription factors via its N-terminal domain. Whilst the lysine deacetylase activity of the class IIa HDACs is much less potent than that of the class I enzymes, HDAC4 has been reported to influence protein deacetylation through its interaction with HDAC3.

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Mielcarek M, Seredenina T, Stokes MP, Osborne GF, Landles C, Inuabasi L, Franklin SA, Silva JC, Luthi-Carter R, Beaumont V, Bates GP