Histone Acetylase

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Class of enzymes that catalyze the acetylation of specific lysine residues of histones, proteins that organize eukaryotic DNA into chromatin. Among the proteins that exhibit histone acetyltransferase activity are various transcription factor coactivators. E.C. 2.3.1.48.

**Synonyms:** - EC 2.3.1.48 - HAT - Histone Acetyltransferase