10 20 30 40 50 UGCUGGAGGUAGAAGAU--| U GUGGUCU CUCAGGC GUGACCCUCUAGAGGGAAGCGCUUUCU \ GAGUUUG CAUUGGGAGAUUUUCCUUCGUGAAAGA G GUUCACGUUGCACCGAAAA^ C AAAGAAA . 110 100 90 80 70