10 20 30 40 50 GAAAAUCAGGCACCCAG--| G A U C CUGAAC GCCUGUUAA CAUA GUACUUCUUUAC AU CCAUA \ CGGACGAUU GUAU UAUGAAGAAAUG UA GGUAU U UACUGGUCUACUGCACCAU^ G G - A GUUAAC . 110 100 90 80 70