10 20 30 40 50 60 UGCGACCUCCGACCUGC----| UG A U A C UGAAU CGCGU UUCCCG UUUGAUUG UGCUC GAAAG CG U GCGCG GAGGGC AAACUAAC ACGGG CUUUC GC G ACCGAGGACACGACCGACCCG^ -- A U - A UGCAA . 110 100 90 80 70