10 20 30 40 50 GAGCCCGCGGGCGCCCG- CG GUA-| U C ACUCU GUGCU GUUU GGCAGUG AAUUAG UGAUUGU C CACGG CAAA CCGUCAC UUGAUC ACUAACA A UCCCGCCGCCCACUACGA AA ACUA^ C - UUCGU 110 100 90 80 70 60