10 20 30 40 50 CUACUUUCAAUGAUGCUG--| G U U UUCUAUA UGUACA UACCUUAC CAG AAGGCAUUGUUC U ACGUGU AUGGGAUG GUC UUCCGUGACAAG U UGGUGUUUACAACAGGUACA^ A U U UAAAUAA 110 100 90 80 70 60