10 20 30 40 50 GCAUCUUUGUAUCCAGC----| CU U A GGAUUGCUU UGAU GUGGUU AGGUAGUUUC UGUUGUUG \ ACUG CAUUAA UCCGUCAAAG ACAACGGC U AACGUGAACUACUUCUGAUUG^ -- U A GCAAUUCUU 110 100 90 80 70 60