10 20 30 40 50 AAAAUCAACAUUUCUGU--| U UGC AG AC GUAC GAGC GUUGAA GGGGCCGG CACUG UGAGA U UUUG CGACUU CUCUGGCC GUGAC ACUCU A AAAGGGGGCCAUCGAAUAC^ U UUU AA -- UUAC 110 100 90 80 70 60