10 20 30 40 50 60 CGCGGAGGCCGAGGCGU--| GU UC C CC U CGGGAU GGAUGU CAGG GG AGUGCA GCUAGC GGCUGU \ CCUGCG GUCU CC UCACGU CGGUCG CCGACA G GAGGCCCUCCGGCCGAAGG^ GU CC - -- - CUGGGC . 110 100 90 80 70