10 20 30 40 50 60 CUCUGCAAAGUGGUUGGA--| U C A A U UAUGCAUGAUG CCGCGC CC CG AAUCUCUGCAGGC AC GUGUG \ GGCGCG GG GC UUGGGGACGUCCG UG CACAC C AAGACAAAUGGGCGCGCAAA^ U A C C - GGUUCUUCACU . 120 110 100 90 80 70