10 20 30 40 50 UGCAUCUUUGUAUCCAG----| CU U A GGAUUGCUU CUGAU GUGGUU AGGUAGUUUC UGUUGUUG \ GACUG CAUUAA UCCGUCAAAG ACAACGGC U CAACGUGAACUACUUCUGCUU^ -- U A GCAAUUCUU . 110 100 90 80 70