10 20 30 40 50 60 UAACGAGGCAAAAGGAC- GU AC CA-| U C A GUGUGUG GUCA C CAG CC UGGCU UAGACUG UUACU \ CGGU G GUC GG ACUGA AUCUGAC AAUGA U NNNNNNNNNNNNNNNUAA UG GA AUC^ U C - GUCUGUG 120 110 100 90 80 70