10 20 30 40 50 60 GCCCGCACCAGUGCCAU--| GG G U A UU UGUGUCUC CUGCUU CC AU UUGGCACU GCACAU UUGCU \ GACGAA GG UA AACCGUGA CGUGUA AACGA U CGCCUGCGUCGACGCCCAG^ AA G U - CU GUCUCGCC 120 110 100 90 80 70