10 20 30 40 50 AGUUUCCGCAGCUAUGU- ACU A - UA -| U GUUGAA UAGAG CC GCU CGUAUACUGA GUAU CC GA \ AUCUC GG CGA GCAUAUGACU CAUA GG CU A UGUUGGUAGCUGCUCUUC AGC A U UC U^ C UUCAUU . 110 100 90 80 70 60