10 20 30 40 50 UGCCGGAGCAAGAAGAC--| U A GUUGUCU CUCAGGC GUGACACUCUAGAGGGA GCGCUUUCU \ GAGUUUG CAUUGUGAGAUUUUCCU CGUGAAAGG G GUCGAAGUUACAACGAAAA^ U A AAAGAAA . 110 100 90 80 70