10 20 30 40 50 UUCACAGGUAUGAGAUA-- U UCC AU- -| U U CAAGA GGCA CG GAC CGGGAUG CUGUU AGAU GUG \ UCGU GU CUG GUCCUAC GACAG UCUA CAC U UACGAGUCUUUCGGCCUCG C CGU AUC G^ U - UCUUC . 110 100 90 80 70 60