10 20 30 40 50 60 CACAUCCCACGUUGCUC--| U UU G A GGAUAGG GUGC AUCUCGUG ACGUAUACUGAA GUAU CC A CACG UGGAGCAU UGCAUAUGACUU CAUA GG U AAACCUAUUACCGCUAAGA^ C U- A - ACUCACA . 110 100 90 80 70