10 20 30 40 50 60 CUUACAGUGACAUUGUAAA--| C A U UCG A UC UCAGAGU GUGC UG AGACUUU CCAU UCUG GG AU U UACG AC UCUGAAA GGUA AGAC CC UG U AUCUAGACUCUUCUUACUAUC^ A G - UGA - GA UGCCCGU 120 110 100 90 80 70