10 20 30 40 50 60 CCCCGAGGAACUCUCCUG--| U CU C U - G CUCGUGUC GUUC GCACG CCCUUAUCA UUCU CCG CC AG U CAAG CGUGC GGGAAUAGU AAGA GGC GG UC C UCUACCUGCCUACCUAACCA^ C CC C - A - GACUGAGU 120 110 100 90 80 70