10 20 30 40 50 60 CCAGAACCUUCUCAUCU- CC C-| ACC AG UAUU GCUU CCUCU GAAUCCUUGGA UAGGUGUG UGC \ CGAG GGAGA CUUAGGAACUU AUCCACAC ACG U GAAGAUGUACGUCUGUUC UU AA^ --- A- UAAC 110 100 90 80 70