10 20 30 40 50 AGUCCGCGCCUCUCCAU---| U A AC - CA UG GGUAC CGGGGAG GGUU CCGAGCAAC UUUG UC \ CUAUG GCUUCUC CCAA GGCUCGUUG AAGC AG G UGCGGAGGGACCACCUUAAA^ - C GU U -- CA 110 100 90 80 70 60