10 20 30 40 50 GCUUGGCUGGCUUGGUAG--| A G C U U CG CUGUU CUG ACUAC AAGCC GGGUU UGUG GUGC CG U GAC UGAUG UUCGG CUUAG ACAC CACG GC U CGGAUUAAACAACUUACUCG^ A G - U - AU AUGAG 110 100 90 80 70 60