10 20 30 40 50 60 GCACAUGUGAUCACCAA--| AG U CU GGUUGUGAG GCG AUGUUCUGU GUGCUUGAU AACCAUGU G CGC UGCAAGGUA CACGAACUG UUGGUACA U UAAAGUCGACAUCCUUCGG^ GU C UC AAAUGAGUA 120 110 100 90 80 70