10 20 30 40 50 60 GUAACCGAUACAACAUCGCA- U-| C UGCC CGCUGGU GCCA CGGUA UAAGUAGUAG GCAGGUAA \ UGGU GCUAU AUUCGUCAUC CGUCCAUU U CUCGAUCCCAACACACUUGGA CC^ C UCA- AUUCAAC 120 110 100 90 80 70