Gab 1,GAB1,GAB1,GRB 2 associated binder 1,GRB 2 associated binding protein 1,GRB2 associated binding protein 1 isoform a,GRB2 associated binding protein 1 isoform b,GRB2-associated binder 1,GRB2-associated-binding protein 1,Growth factor receptor bound protein 2-associated protein 1