10 20 30 40 50 GUGCACUGAUUAUUUAAGGU- U-| C AU UC G CUAUG GGCUG UCU AGGGAG CA CUGUCU CAUG \ UCGAU GGA UCCCUC GU GACAGA GUAC C GAGCCCAACGAUAACCGCUGU UC^ C CU GU - UUAUA 110 100 90 80 70 60