| TDG associates with TTF 1 in mammalian cells through the TTF 1 carboxyl terminal activation domain and is independent of the homeodomain . 0.80707088^^^ In a search for factors that regulate TTF 1 transcriptional activity , we isolated three genes ( T : G mismatch specific thymine DNA glycosylase ( TDG ) , homeodomain interacting protein kinase 2 ( HIPK 2 ) , and Ajuba ) , whose products can interact with TTF 1 in yeast and in mammalian cells . 0.53790291^^^ |