10 20 30 40 50 60 AUGUGUGCUAUGCGCAUGUUAUA--| U CGC G UAGAUU UUUCA UGCUUUGG UUUAGCU UAUGA U AAAGU ACGAAACC AGAUCGA AUACU G UUUUAAUGACGUCAACAUCCGCGUA^ U AUU A UCCAUA 120 110 100 90 80 70