10 20 30 40 50 UUUGUUGCCCACACCCA-- U G C A-| CAAGGA GCU CCCUG CU UAGCAGCACAG AAUAUUGGCA A CGG GGGAC GA GUCGUCGUGUC UUAUAACCGU G GGGGAGGAGUCAACGAGAA U G C GG^ CUGAAC . 110 100 90 80 70 60