10 20 30 40 50 CACGAGUGAGGAAUCCAU-- U -| U G CAAC UGGUGCU GGGC GACUG GG AAUCUCU CAGG UGUGA \ UCUG UUGAC UC UUAGAGA GUCC ACACU U CUUUGUUUAUGUUCGUACAG U G^ - G ACUA CUUAUAU . 110 100 90 80 70