10 20 30 40 50 AAUGUGAGCGAGCAGCA--| UUU A AA AGA CGAUUG GAUGU GCUG AGCUGGU AAG ACCAGAU U UUACG CGAU UCGACCA UUC UGGUUUA U CCCGAAGCUACCACACUAC^ UGU G AC CCC GGCACA . 110 100 90 80 70 60