AY603761 10820 2902 4124 beta-globin insulator AY603761 10820 4125 5334 beta-globin insulator AY603761 10820 5626 6735 Wnt-1 promoter AY603761 10820 8430 8693 SV40 late poly(A) signal AY603761 10820 8705 10793 3' flanking sequence of Wnt-1