10 20 30 40 50 60 GCGAGAGAUGCGACUGU- - - --| A UCGGUAGUGU GCCUG GGUUUAACUGAG UACCACU CUG GUUCACA U UGGGC CUAGGUUGACUC AUGGUGG GAC CAAGUGU A CCUGCUCAACGGCUAAAG G U UC^ A GAGCAAAGAA . 120 110 100 90 80 70