10 20 30 40 50 CGACUUGGUGCUGAUUUCU----| CU C AA U G GUGACGU GCCCU GCC GGA CCUCUGGG UCU AGCU \ UGGGA UGG UCU GGGGGCUC AGG UCGA G CACGGGUCUUGGGUCUCUGGGUU^ CU U -- U G GUCUUCG . 110 100 90 80 70