10 20 30 40 50 60 AAGUGAACGUAAUCGUA--| U C A G UU GCUGAAUU AGGCAUC GUUG AGCU GCG GUGUUUUA UGGUA G UCUGUAG CAAU UCGG CGC CACAGAAU ACUAU A UACAGCUAAACUUCGUAAA^ C A - A -- CUAAGUUU 120 110 100 90 80 70