10 20 30 40 50 GAUGGCGUUGCACUCUU----| AA UGA - C C GCGAGU GC UCUC UCUCACCAAAG UG CUGUGA UUUG \ CG GGAG AGAGUGGUUUU AU GACACU AAAC A CGUGGCAUGACGGCACAGUAC^ C- CG- U A - AUUCGA . 110 100 90 80 70