10 20 30 40 50 AGUUCUACAACUAUGAAC--| CG G UC C GGUAUAA GCUUGC GAUUUCG GAAU CAGCGUAA ACU \ UGGGCG UUAGAGC CUUA GUCGUAUU UGA U UCUUUUACCAACCACUGAUU^ CU A UU A CACAAAG . 110 100 90 80 70