Noun
acetyltransferase (plural acetyltransferases)
(biochemistry) transacetylase
For example, acetylation of the K14 and K9 lysines of the tail of histone H3 by histone acetyltransferase enzymes (HATs) is generally related to transcriptional competence. Source: Internet
Michael Grunstein citation and David Allis citation found support for this proposal, in the importance of histone acetylation for transcription in yeast and the activity of the transcriptional activator Gcn5 as a histone acetyltransferase. Source: Internet