10 20 30 40 50 UGACAGGGAAUAAGUUU--| AGU UCCAC G UU CUG CCC UUCAAAUAUCUACUGAU GAA \ GAC GGG AAGUUUAUAGGUGACUA CUU U GCAACAAGGAGCCGUAUCA^ CCU UGUUA A AA . 100 90 80 70 60