10 20 30 40 50 60 UGUAUGGCCCCAGAUUG---| G CU G U UAGAAUUACA CGUGCUU CAGG GAG UAG AGGUUGUAUAGUU \ GCACGGA GUCC UUC AUC UCCAACAUGUCAA C CAAAAGACUGUCCUCGAGGC^ - CU G C UAGAGGGCAC 120 110 100 90 80 70