10 20 30 40 50 CACCUCCCCAGGGAGCA----| UG C CA C A GU CGUCUU GC CCUGCU UGGCUGGU AA GG ACCAA C \ CG GGACGA AUCGACCA UU CC UGGUU G C AGGUCCCUGGCCCGUAACGGU^ -- C AC C C UG AGAGUU 110 100 90 80 70 60