10 20 30 40 50 CUGAGAUCGUCAGAGAU--| C UGU G U A CGUGGAA CC UGA GAG GUAUGUGCCC UGGACU CAU G GG ACU UUC CAUAUACGGG ACCUGA GUA C CGUCUCGACUUCUUUGUAC^ A CCU A U C CCACGAC . 110 100 90 80 70 60