10 20 30 40 50 UUCCGGAUCAAGAUCAG--| C CC A GA UUAAUG AGACUCUGC CU GUGUUCAC GCG CCUUGAU \ UCUGAGGCG GA CGUAAGUG CGC GGAAUUA U CAGGAAGCACGCGUCGGCA^ A AC G AC ACAUAC 110 100 90 80 70 60