10 20 30 40 50 GGAGCACGCGGCAGACGU--| GG - AU UGCC CCAGU CCGCGAG AUAUGUUUGAU UCUUGGUUG A GGUCG GGCGCUC UAUACAGACUG AGGACCAAC C GAGGCGGCAGCCACUACCCU^ A- G -- CAAG 110 100 90 80 70 60