10 20 30 40 50 AAGGAGAAGGUCUCUCU--| UU A G C UAAAAGA GUC CUGUAUGU CCCU UAGAU CGAAUUUGUG \ CAG GAUGUAUA GGGG AUCUA GCUUAAACAC A AAGCGAGGCAUCCCAAACA^ UU A - C UCCGUCG . 110 100 90 80 70