10 20 30 40 50 UCUGGUGCCGGGUGUUU--| C CC C AG CU GGGUU GAG GGCUGGAA GGG CCGG CGCUGU GAGA \ UUC CUGACUUU CUC GGCC GUGACA CUCU U CUCUCUAGUCCUUCUAAUC^ U UU U AA -- UUGAA 110 100 90 80 70 60