10 20 30 40 50 UCGGUGGCUUAUAUCUGC C - GU -| AGUACU ACAUCU UCAGUG UCAUUUUUGUG U UGCAGCU C UGUGGA GGUUAC AGUAAAAACAC A ACGUUGA U GAAGACGUCAUCGGUCAG C G UG U^ CCUCGG . 110 100 90 80 70 60