10 20 30 40 50 GGUAUUUUCCCGCUACCA---| U UG U CUG UUGAU UG GCCA U UCCUUGUCA CUUCGUCCGGU U GC CGGU G GGGAAUAGU GAGGCAGGUCA U AAAAAACAGGUCAUCUUUUGG^ - GU C CAA CCGGU 110 100 90 80 70 60