10 20 30 40 50 AGUCAUCAUUCAGAAAU- - AAA A U-| U AUAUAG GG UAUACAGGA UG CCUA GAA UGACAGACA \ UC GUAUGUCUU AC GGAU CUU ACUGUCUGU C GACUAUAACUUCAUCGUG A AUA C UU^ U UUGAGU . 110 100 90 80 70 60