10 20 30 40 50 60 UGUUGAUCUUCAGUAAA-- U CC --| U UC U A UGAAGUA G GU CUUGUGUUA AGG GCA UAG GCAG UAG G C CG GAACACGGU UCC CGU AUC CGUC AUC A UUAGGUUGAUGCUACCGGU U AU CU^ U GA C - UAAGAUU 120 110 100 90 80 70