10 20 30 40 50 GCACGGUGGUUGAUAAU-- U C A A U-| CA UCCUG UUG AUUA CG GAGCUG AAG UUAGAUCU GGCA \ AAC UAGU GC CUCGAC UUC AAUCUAGA CCGU U UCCGAUAAAACGUAUUUAA C U A C UC^ -- CAUCU . 110 100 90 80 70