10 20 30 40 50 GUCUUCCUGGUGAAUCA--| G CG UC AAACAGU UGGUGCA AUGGCAG CCAUUU AGAGCUAU A GCCAUGU UGCCGUC GGUAAG UCUCGAUA U GUAAAUUUACGACGAAAAA^ A AU UU CUGUUAC 110 100 90 80 70 60