10 20 30 40 50 UCUGAUGCCAAGUGUUU--| UUC C AG CU GGGUU GAGAGGCUGGA GGG CCGG CGCUGU GAGA \ UUCUCUGACUU CUC GGCC GUGACA CUCU U UUUCUAGUCCUUCUAAUCU^ UUU U AA -- UUGCA 110 100 90 80 70 60