10 20 30 40 50 CAUCUUGUAGAGAGACUA--| UG AG G UU - U AGCCAU GCUGG UUG AGGC GAGAC GG GCAAU GCC \ CGGCC GAC UCUG CUCUG UC CGUUA CGG C CUAAUACAUCCGGCGCGACA^ GU AG G U- A - GAGACC . 110 100 90 80 70