10 20 30 40 50 60 GUGCUUCAAUCUCAUAGCG---| U GUUC UC UG UG UGAGAAUA GGAU UCA ACAUUCA GC UCGG GGU \ CCUA AGU UGUAAGU CG GGCC UCA A ACAAUUCCUCAACGUAUGCGUA^ U AAC- -- CA GU ACUGUCGU 120 110 100 90 80 70