10 20 30 40 50 CCACAUGGAGCAAAUCUG--| G G U U GGGA UGUGCA UGCUUUUCACAA AAGG GUC UUCAUG U ACAUGU AUGAGGAGUGUU UUCC CGG AAGUAC U UGGUGUGUCCGUAAUGUACA^ A G - C AAAA 110 100 90 80 70 60