10 20 30 40 50 GUUGCAAGUGGUCGAGAGAA-- G -|C AG A UGGCGCGU GA CGCUCAUUG G UUUUGU GAUG UCAU \ CU GCGGGUGAC C AAAACA CUAC AGUA G CCAGUAGUGCACAGCGGUGUUC G U^C CU A ACCUAUUC 120 110 100 90 80 70