10 20 30 40 50 60 ACAAGCCGCGGAUCAGA- -| U GU U UUAGGAUCACAC GCGU GCUGUGGGA GAG AGUAG UUGUAUAGUU C CGUA CGACACUCU UUC UCAUC GACAUAUCAA A CUGACAUCUCAACUACAG G^ - UG U UAGAGGGUCUAG . 120 110 100 90 80 70