10 20 30 40 50 UCUUUUGCAUUAAUUGG- A -| U AGA A A UCGG UCU C GUGA UAC CUUGUA UAGCAGC UGCG U AGA G CACU AUG GAACGU AUCGUCG AUGC U AAUAUGCACCGUCUAUAA A U^ U CCC A G CAAA 110 100 90 80 70 60