10 20 30 40 50 60 UCAAGCAGAGCAUCCAGG UG -- A -| UG U AUAU GUUUC UC GG GC UG AACC GCA ACAAUGUAG CUGU U AG CC CG AC UUGG CGU UGUUACAUC GACA U CCGGUGUUUAUAACGUAA GU AU G U^ GU C ---- ACGGG 120 110 100 90 80 70