Transcriptional repressor%2C activator%3B role in cellular adjustment to osmotic stress including modulation of mating efficiency%3B involved in repression of subset of hypoxic genes by Rox1p%2C repression of several DAN/TIR genes during aerobic growth%2C ergosterol biosynthetic genes in response to hyperosmotic stress%3B contributes to recruitment of Tup1p-Cyc8p general repressor to promoters%3B relocalizes to cytosol under hypoxia%3B forms