10 20 30 40 50 AACCCAACCUCAUCUGU--| C U A UGUUU UC UAAGC GGUG CU CGAU GGUCG GGUGUA AUACU \ UCAU GG GCUA CCGGC CCACGU UAUGA A AAAUGGUUAAACACUGUUU^ U C G CCUGU -- CACAA 110 100 90 80 70 60