10 20 30 40 50 GUGGAAGAUCUCUGAGUGG- - -| U A GUUAC CUUGGCUG UAUUCU ACAG GC UGUGUCUCCAGU A GAACCGAC AUAAGG UGUC CG ACGUAGGGGUCA C CUGACCGACAGCAAUAACCA A U^ U - ACGGA . 110 100 90 80 70 60