10 20 30 40 50 AUACCCCUUUGGAUUCU-- U UGC -| UG C UUUUGU G GGCGCUAU CAUC UUAC GGCAG AUUGGA \ C CCGCGGUA GUAG AAUG CCGUC UAAUCU C GAACGGCGUGCAACAUACA C UUA U^ GU A UUGUAU . 110 100 90 80 70 60