10 20 30 40 50 UGUUCCAGCUCUCUCCA- G -| GU AGUAUU GCGGUC CCGGUG UCAUUUUUGUGAU UGCAGCU A UGUCAG GGUUAC AGUGAAAACACUG ACGUUGA U GGGGACCCAACGUCUCAG A U^ AU CCCGAG . 110 100 90 80 70 60