10 20 30 40 50 AACAGGGCAUGUCAGGUAUAU--| GG C U CUAUC GUGGCU UAGG UGGGAUAAGU GCAGUGCU U UACCGG GUCC GCCUUGUUCA CGUUAUGA G GAUGUUUACGUCCCCUUCAACGG^ UU U - CCGAU 110 100 90 80 70 60