10 20 30 40 50 AUUGAUCCCGAAUUGGU-- CAA -| A AUGAAA UUC AUCAAUGAAAGGAA UUUAAGA CUAAUCG C AAG UAGUUACUUUCCUU AAAUUCU GGUUAGC A AGUAACUAAACCUUUGUAU UCC A^ - UAUGAA . 110 100 90 80 70 60