10 20 30 40 50 CUACUUUGAGCCAUUCU- U-| G C UA UUACUUA GUG GCA UGC CUACCCAG AGGUACUGAUCAC \ CAU CGU AUG GGUGGGUC UCCGUGACUAGUG G GAGGGUUUGCAACAAGAA CU^ A A UG UACAUCA . 110 100 90 80 70