AF027128 4711 1 36 polylinker AF027128 4711 37 200 tk-promoter AF027128 4711 238 1890 luc+ AF027128 4711 1922 2143 splice and polyadenylation signals AF027128 4711 2146 2162 polylinker AF027128 4711 3345 4205 bla AF027128 4711 4337 4708 polyadenylation signals