10 20 30 40 50 60 CAGGAAGAGGUACAGUCGU-| CGC - A U UGGCCUGGCCCUU AGGA GGAG AG CUC AGCUCUGGUUACACA \ UCCU CUUC UC GGG UCGGGACCGAUGUGU C CACCGCUGUCGACCACUGAU^ UC- G C U GUAUAAUAAUGUG 130 120 110 100 90 80 70