10 20 30 40 50 GCAAAAACCCAAGUAAACCUAUU--| UU UG C A A GACA UGUG UCCU UCA AC UCCGUC CAGU U ACAC GGGA AGU UG AGGCAG GUUA U UAUAACAACUCUUCUUAUUAUUGAC^ UU GU C A - CAAA 110 100 90 80 70 60