10 20 30 40 50 UUCCCACUGCUUAUUUGA---| U U A GUC- U GUUGGC GUGCU GGCUGU GG CUGAUG CUUGCA AGU \ CACGG CCGAUA CC GACUAC GGACGU UCA U CUGAGGAGCAGGACAUCUGAC^ - U C ACUU C ACUAAG 120 110 100 90 80 70