10 20 30 40 50 ACCAAGGAUAAGAUCGG---| U C CA- G G UUUUGG GUCC GG AGUAC AAGUGCUCAUA UGCAG UAG \ UAGG UC UCAUG UUCACGGGUGU AUGUC AUC C CGUAGUUAUCCUCUAAGCAA^ U - ACC G - UCAUUA . 110 100 90 80 70