10 20 30 40 50 UCAGGCUCCAUGGAAUUA--| G A ACUGCAUUG AAUGUUACAGAA GGCCAAGAACAAU GAA C UUACAAUGUCUU CCGGUUCUUGUUA CUU U GUAUUUCGUUCUAUAAUCCG^ A C AACCUUGAU 110 100 90 80 70 60