10 20 30 40 50 60 AACCAAGAGUCUACGUCA --| G GU UUUAGC CUUUUUC AGGA GCUGGUUUCAUGUGGUG UUAGA U GAGGAAG UCCU UGACUAAAGUAUACCAC GAUCU G AAACCAUCACGUCCUUAA AU^ G -- GUAACA 120 110 100 90 80 70