10 20 30 40 50 UGCAGGCACAGACGUAC--| G U CA CAGUUGUC GCGAG GGGCUUC AAAAGCGUGUGG AAGCU U UGCUC UCCGAAG UUUUCGCACACC UUCGA U GAUUUGUGUCGUCGGUGAC^ G U UC CCUUAAUG . 110 100 90 80 70 60