10 20 30 40 50 60 GAAUUGCAGGUGAAUCCAAGUCA--| U ACA GUAACUU UAGUUAG GUAAACAUCCU CUCAGCU C AUCAGUU CAUUUGUGGGA GGGUCGG A AACGACGUAUUUGCAAGAAGGUUUG^ U AGA AAAUGAA 120 110 100 90 80 70