10 20 30 40 50 CCACAUUCAGCCAUUCAG--| G C A GG UC UGAA UGUACA UGC UUUC CAG AGGUG AUUUAUG C ACAUGU AUG GAAG GUC UCCAC UAAAUAU U UGGUGUAUACGUCACGUACA^ A A A UU UU AAAA 110 100 90 80 70 60