10 20 30 40 50 60 AGGAGACCCUGGUGUCA- GCCA- C GU U A-| UGGCCAGCA GC CU AGGGU GUGACUGG UG CCAGAG C CG GA UCCCA CACUGAUC AC GGUCUC U CAGAGGGUCCGUCCACCC ACCAC C AC C CG^ CCACUUGGC 120 110 100 90 80 70