10 20 30 40 50 UUUGGAUCUAGCGAAAU--| A C U U C A AAGCU UCCAUAU GC AUAC CAAAA GGAGGC CU UCU U AGGUGUA CG UGUG GUUUU CCUUCG GA AGG U AACUUCAAGGCUACGAAAG^ C U U C U A UGAAU 110 100 90 80 70 60