10 20 30 40 50 60 GAUCCGGCCCUUGGAGA--| C U AU U CU C AGCGCGCA GAGA GGCUU GGA GACACGA CA CCCG UG G CUUU UCGAA CCU CUGUGCU GU GGGC AC C CCCCCCCGAGUCUCCGCGG^ C U GU - AG U CGAGACAC 120 110 100 90 80 70