10 20 30 40 50 ACUAGUCGAAUAAAAAUCAGG--| C CU A A GUGUU ACUACGCGU GGCCGG CAAG GCAA AUU U UGGUGUGUA CCGGCC GUUC CGUU UAA C GUCUGACUACGAAAAGUCCGGAA^ U CU A A UCAUA 110 100 90 80 70 60