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