10 20 30 40 50 60 AGUCUCUUCCUCCGUGC- CA-| A U UAUU U CAACAC UCA GGCACAGC GAAG UAGAG UUC CUUAGC A AGU UUGUGUUG CUUC AUCUC AAG GAAUCG U AGUUAAAGUUUCUUACGG UAG^ G C UU-- U CUUAGU 120 110 100 90 80 70