10 20 30 40 50 UUCCGGAUCAAGAACAG--| A C CC A GA UUAAUG AG CUCUGC CU GUGUUCAC GCG CCUUGAU \ UC GAGGCG GA CGUAAGUG CGC GGAAUUA U CAAGAGAUCCACGUCGGAA^ C A AC G AC ACAUAC 110 100 90 80 70 60