10 20 30 40 50 UCUUUCUUUCUCUCUCUC G - C-| AGUAUU ACA CUGCCAGUG UCAUUUUUGUGAU UGCAGCU C UGU GACGGUUAC AGUGAAAACACUG ACGUUGA U GGACAGGUACUUCGCCGG G U AU^ CCUCGC . 110 100 90 80 70 60