10 20 30 40 50 UCUAUACUGCAGUAAAA- C- U -| C A - UGUUGA UCCU UGAUU GU GU UUACCAGGCA GU UUAGA \ AGGG ACUAA UA CG AAUGGUCCGU CA AAUCU U CCUUUUACCGCUAGUUUA UC C C^ U - U GUGUCA 110 100 90 80 70 60