10 20 30 40 50 AAAUAGCAUCAGAAAUGUU-- U C-| CA U GUGAAU GAU GGCUGUCGUC UACCUG AGU AUUAGA \ CUG UCGACAGCAG AUGGAC UCA UAAUCU A CCUCAGUAUAUGAAGGAUCUC U UA^ UG - GCAGUA 110 100 90 80 70 60