10 20 30 40 50 UGACAGCAAGUAGUCGG-- A U C -|UGA GCAU UUACUUGG AGUACUGG AUAUGGACAUUG G U CGUA AGUGAACC UUAUGACU UAUACUUGUAAC C U UACUGAAGCUGACGUUUUA G U U U^AAU 110 100 90 80 70 60