10 20 30 40 50 GCAGCAUGUCCAGAAAC--| CACAA GA U GUGUAA AUGAAUCCA GGCAA UGU GGCAUAGCUGA \ UGCUUGGGU CCGUU GCG UCGUGUCGACU U ACGGGUCAAUCUUCUUCAU^ AUCCA AG - ACCGCU . 110 100 90 80 70