The S. cerevisiae member of this family Swiss:P53911 is part of NuA4, the only essential histone acetyltransferase complex in Saccharomyces cerevisiae involved in global histone acetylation [1].

1: Regulation of chromosome stability by the histone H2A variant Htz1, the Swr1 chromatin remodeling complex, and the histone acetyltransferase NuA4. Krogan NJ, Baetz K, Keogh MC, Datta N, Sawa C, Kwok TC, Thompson NJ, Davey MG, Pootoolal J, Hughes TR, Emili A, Buratowski S, Hieter P, Greenblatt JF; Proc Natl Acad Sci U S A 2004; [Epub ahead of print] PMID:15353583