10 20 30 40 50 UAAGUCACUGACAGAGU--| G CA AC CUGGU GCGAUGU UGCAUUG UUGCG GGGUUACAUCA C UGCUGCG AUGUAGU GACGC CCCAAUGUAGU G AAAUUCAAAGGUUACAUAG^ A AC AA ACAAU 110 100 90 80 70 60