10 20 30 40 50 ACACGGAGAAAACCAAG----| UCU UG A G - CUGGAC CUGG G AUUUAGGUAGUUUCA GUU UUG GG G GACC C UAAGUCCGUCAAAGU CAA GAC CU U UUGCCUGUUACAACGCAAAUU^ U-- GU C G A UUAAUU . 110 100 90 80 70 60