10 20 30 40 50 AUUGGUCCUGAAUUUGU-- CA -| ACA AUGAAA UUC AAUCAAUGAAAGGAA UUUAAGA AAUCG C AAG UUAGUUACUUUCCUU AAAUUCU UUAGC A AGUAACUAUACCUUUGUUU UC A^ GG- UAUGAA . 110 100 90 80 70 60