10 20 30 40 50 60 UCAGUCAAAUAACUCUA---| GUUU U C A GU ACAAUUUU CAC GCAAU UUUGUACUA AC UAG ACUGG C GUG CGUUA AAACGUGAU UG AUC UGACC A CAUCGAAUAAAAAGUUUGUU^ GCU- C C - UG UAUAUAAA 120 110 100 90 80 70