10 20 30 40 50 60 AUUAACAUGAUCCUGAU-- AG A -| A CGUUAACUC GUCAGC UAC UUAGCAGCAC GU AAUAUUGG U CGGUUG AUG AGUCGUCGUG CA UUAUGACC G CCUAGUAAACGUCUCUUAC AA A U^ A UCUAUAAAU 120 110 100 90 80 70