10 20 30 40 50 UGAUUCCAGAAGCGCUG--| U UG A CAA A UUUU ACU GAG CAUU CUCGU CCAGU AUAUUAUG A UGG UUC GUAA GGGCA GGUCA UAUAAUAC A CGUGUACACUUCGUAUCCC^ U CG A UUC C CAGU 110 100 90 80 70 60