10 20 30 40 50 UCCAUCAUGGGGAAUAU- A-| A AAAA UC UG GUAUGU CAG CCU UGG GGUCCAACU ACA GCCU C GUC GGA ACC CCGGGUUGG UGU UGGG A AGAUGUACACAUUCUUAU CC^ C CUAC UA GU AGAAAU . 110 100 90 80 70 60