10 20 30 40 50 60 UGCAAGGAAUCAUAUAA-- G U-| CG UUCUCCUGC GCUAGAG CUGUG GAUAUGUUUGAUAUU GUUG \ CGGUCUU GACAU UUAUACAGACUAUAA CAAC G UAGUUCCACUACAAUUGCA A CC^ AU UGUACUUUU 120 110 100 90 80 70