10 20 30 40 50 CCCAGGAGGAUGUGUCU--| UU A G C UAAAAGA GUC CUAUAUGU CCCU UAGAU CGAAUUUGUG \ CAG GAUGUAUA GGGG AUCUA GCUUAAACAC A ACGCGAGGCAUCGCAAACA^ UU A - C UCCGGCG . 110 100 90 80 70