10 20 30 40 50 60 UGAAUAUUUUCUCAUCGU UUAG--| C A C A AGAGAAC UGC UGUG ACGGC UUGG AGUG CCUUAAU A ACG ACAC UGCCG AACC UCAC GGAAUUA G GUUUCUGUAUUAAACGCA UUACAA^ A - U - CUCAACU 120 110 100 90 80 70