10 20 30 40 50 GGUUUGACCUUAUUCAU--| U UUC UAA CU GGGU GAGC GUUGGA GGGGCCG CACUGU GAGA U UUCG CGACUU CUCUGGC GUGACA CUCU A GGAAUUUUUCCUUCGGUCC^ U UUU CAA -- UUAC 110 100 90 80 70 60