10 20 30 40 50 AUUGAUCCUGAAUUCGU-- CU C -| A AUGAAA UUC AGUCAAUGAAA GAA UUUAAGA CUAAUCG C AAG UUAGUUACUUU CUU AAAUUCU GGUUAGC A AGUAACUAAGCCUUUGUUU UC C A^ - UAUGAA . 110 100 90 80 70 60