10 20 30 40 50 AAAACAGCUAAAAGCAUAA--| G C GA A UAUAUU UUCC UUGUC UUGGCACU AGAAUUCAC GA \ GAGG AAUAG AACCGUGG UUUUGGGUG CU U AUAAUCAACUUCAAAGCAGUG^ A A GC - GGAGAU 110 100 90 80 70 60