10 20 30 40 50 UGACUGCCGGAUUGCGU--| G UU UG G CAUU GACAUGUCU U CUGC CUUGUGCUUCU UCA A CUGUACGGG G GAUG GAACAUGAAGA AGU A GACAUUUAAGGACCAAUAC^ A GG GU A AGUC 110 100 90 80 70 60