Homologues to these three groups are found in yeast having the names: reduced potassium dependency 3 (Rpd3), which corresponds to Class I; histone deacetylase 1 (hda1), corresponding to Class II; and silent information regulator 2 (Sir2), corresponding to Class III.
Encontráronse homólogos destes tres grupos en lévedos cos seguintes nomes: dependencia de potasio reducida 3 (Rpd3), que corresponde á clase I; histona desacetilase I (hda1), que corresponde á clase II; regulador de información silenciosa 2 (Sir2), da clase III.