Members of this family are components of the elongator multi-subunit component of a novel RNA polymerase II holoenzyme for transcriptional elongation [1]. This region contains WD40 like repeats.

1: Elongator, a multisubunit component of a novel RNA polymerase II holoenzyme for transcriptional elongation. Otero G, Fellows J, Li Y, de Bizemont T, Dirac AM, Gustafsson CM, Erdjument-Bromage H, Tempst P, Svejstrup JQ; Mol Cell 1999;3:109-118. PMID:10024884