10 20 30 40 50 UCCAUCCUGCAGUACUG- U - -| C AG UCUAGU CC GU UGACCAAU GU UUACCAGACA GUUAGA U GG UA GUUGGUUG CG AAUGGUCUGU UAAUCU A GUGUACGACUUCUGAACC C C C^ U CA GCUCUC 110 100 90 80 70 60