10 20 30 40 50 AACGGGUUGAAUAUGUAAC--| UG G UG U CGGA UCCCUUCGG ACG GUAUUCU GGUA AUAAUA U AGGGGAGUU UGC CAUAAGA UCGU UAUUGU G GUCACGACUCCACUUGGUUGA^ GA G GU - UGCG 110 100 90 80 70 60