The 3 papers which experimentally study the biological roles of both TFs of the PCTFP (Cyc8-Hmra1)
Huang L, et al. (1997) Amino termini of histones H3 and H4 are required for a1-alpha2 repression in yeast. Mol Cell Biol 17(11):6555-62
Tzamarias D and Struhl K (1994) Functional dissection of the yeast Cyc8-Tup1 transcriptional co-repressor complex. Nature 369(6483):758-61
Szeto L and Broach JR (1997) Role of alpha2 protein in donor locus selection during mating type interconversion. Mol Cell Biol 17(2):751-9