10 20 30 40 50 ACCAAGGCCCUGGCGAA- -| G AUU C GUGCGGG GG CCGUG CCUC CAAGUAACC AGGAUAGGCU \ CC GGCGC GGGG GUUCAUUGG UCUUAUCCGG U UCCUUCCAGCCCGCAGGU G^ A CAC C GUGGCCC . 110 100 90 80 70