10 20 30 40 50 60 UAUUUUGCCAGCUAAUUA G -| GU AGUAAU GCGGUU CCAGUG UCAUUUUUGUGAU UGCAGCU A UGUCAA GGUUAC AGUGAAAACACUG ACGUUGA U ACAGGGACGUCGUCUCAG A U^ AU CCCGAG . 110 100 90 80 70