10 20 30 40 50 GGAUCAUCAGUGUGCCG--| U AG C UG AC A AUAACG GUGUGC UC UGU CC AG CCUUA CCUGUG U CACGCG GG ACA GG UC GGAGU GGACAC G ACCUCGAGGUCGGCUCUGG^ U AA A GU CU - UGGAAA 110 100 90 80 70 60