10 20 30 40 50 CGCAGACCGACACAACG---| CU UA A AAUGUG ACUG CGUGGUG GGUAGUUUC UGUUGUUGGG U UGAC GCAUCAC CCGUCAAAG ACGACAGCUC C GGACGGGACCUCGACGCCGC^ U- GC G AUAAAC . 110 100 90 80 70 60