10 20 30 40 50 60 GCAUAAAAUGAGCCACC--| U CA UUGUAAUUG CCAUGGUGCUCCCAA GUAAUGAUAG AAAACU \ GGUACCACGAGGGUU CAUUACUAUC UUUUGA A UUCGUAUUUUACUCAGUGG^ C UC ACUAAUAUU 120 110 100 90 80 70