10 20 30 40 50 GGGUGCGAGCUCGCUAC- - G AC--| GA UGCAAC UC CUGUUCUGU UAUGGC UGGUA AUUCACUG C AG GACGAGACA AUACCG ACCAU UAAGUGAC C CGCCCCGAGCGCCCAGAA A A GGAU^ -- UGGCGC . 110 100 90 80 70 60