10 20 30 40 50 UCGAUUUCAGAUGUUUUCU- C A-| AAC C CUUAU CG GUG AAUC GGCCG AUAUUAUAAAUCA U GC CAC UUAG CCGGC UAUAGUGUUUGGU U UCUAUAACAAUCGUCGUAAU U CA^ AAU U GUAAG 110 100 90 80 70 60