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