10 20 30 40 50 AACGGUGUGAAGUAUGG- ACU - CU -| U GUUUUA UAGAG CCUGCU CGUAUACUGA GUAU CC GA \ AUCUC GGACGA GCAUAUGACU CAUA GG CU U CCGAGAAGACCUGCUUUG AGC U UC U^ C UUCAUU . 110 100 90 80 70 60