10 20 30 40 50 UCAGCCAAUCUGGGACUA--| UG AG G UU - U GGCAAU GCCAG UUG AGGC GAGAC GG GCAAU GCC \ CGGUC GAC UCUG CUCUG UC CGUUA CGG C GAGUCGGUGACGGCGCGUCA^ GU AG G U- A - GAGACC . 110 100 90 80 70