10 20 30 40 50 GUUGAGGACAUGAGAAU- AG-| U UUC U GUA - GUGAU GUC UC GGA CAGCCUUAU UGU CAGU GC A CAG AG CCU GUCGGAAUG ACA GUCA CG U GCCAUACUAACAUCGUCA AAG^ U UUU U AC- A UCAAA . 110 100 90 80 70 60