10 20 30 40 50 GGGAUCCAGGCUGAUCUAUGG --- - -| G AC GUGAGCG CACAGU GUG AG GAGG CACAUGUGGU AGU \ GUGUCA CAC UC CUCC GUGUACACUA UCG U GGUUAUAGGUCUGUUUCU--- UGC U A^ A CU UAUAAGG . 110 100 90 80 70