10 20 30 40 50 CCCCAUGGUGACCUGGAU--| C CUCC C C A UAUG GGGUGG CGCC CUGUC UC AGG GCUCACG C UCCGCC GCGG GACAG AG UCC CGAGUGU C UACUCUCCGACGUCUGUGUC^ U CCGA U C G UCGU 110 100 90 80 70 60