10 20 30 40 50 60 UGCUGGGGGUGUUUUGG----| UG A CAC GAGUCCA GGGC GGGGGGC GGGCUUAGCC CUGUGAACA G CCCG CCCUCCG CUUGAAUCGG GACACUUGU C CGGGGAGCCACGCCCGCUCCC^ -- C U-- GCCGCGC 120 110 100 90 80 70