10 20 30 40 50 CUCGUCAGUCUUCAGAAA--| U U AA C A GU GGGUGU CACGGC UAGU GCUGGU AA GG ACCAA C U GUGCCG GUCA CGACCA UU CC UGGUU G U AGUCACAACGUCCGACUUAA^ C U AC U C UG AGAGCG . 110 100 90 80 70 60