10 20 30 40 50 GUGUCAUCUACGGGAAU----| U U G U CUCC U UAUGU GCU GU GG GUGC GGUCUG GUG CCAAAGU \ CGA CA UC CACG CCGGAC CAC GGUUUCA A CUGUCCCUCUUUAACAAUUUC^ - - A U CUCU - CUGAU 110 100 90 80 70 60