10 20 30 40 50 AGUUGAGAUGAGACAAGU -- G -| C GUGUGC GUGUUGUGU GGCU GUCAAAGU GGUUGUGA AGG \ CACAACACA UCGA UAGUUUCG CCGACACU UCC U CGGUCACCGUCAGCAGAC UA G U^ A UUUCGA . 110 100 90 80 70 60