Proteins in this family are involved in cell cycle progression and pre-mRNA splicing [1] [2].

1: Mutations in genes of Saccharomyces cerevisiae encoding pre-mRNA splicing factors cause cell cycle arrest through activation of the spindle checkpoint. Dahan O, Kupiec M; Nucleic Acids Res 2002;30:4361-4370. PMID:12384582

2: Genetic and physical interactions between factors involved in both cell cycle progression and pre-mRNA splicing in Saccharomyces cerevisiae. Ben-Yehuda S, Dix I, Russell CS, McGarvey M, Beggs JD, Kupiec M; Genetics 2000;156:1503-1517. PMID:11102353