10 20 30 40 50 CCAGUAUAAAAAGUAUGA- AU-| C U C UGGUGG GA GU AUCCA GAGUAUUACAU AGGUACUGA U CU CG UGGGU CUUAUAGUGUG UCCGUGACU U UUGGUCGAUCACAACUUUA CGU^ U U U CAACUC . 110 100 90 80 70 60