10 20 30 40 50 UAUCUUCCUCGGAAUGUCUG--| G U C UAAAU CAUCAGU UUUGGCAGUGUGG UAG UGGUUGU G GUGGUCA AGGCCGUUACAUC AUC ACCAACA A AAGGAAAGCUUCUUCGCAAGUA^ A U - ACAAA 110 100 90 80 70 60