10 20 30 40 50 GGCCCGGUCUGCUGCUC--| CA C A - UCU GGCCCG CUCU UCCAUUACACU CC CUGCCUCU C UUGGGC GAGA AGGUGAUGUGG GG GACGGAGA C CACCUCCUCGGCCCUGAAC^ AC U - C GUA 110 100 90 80 70 60