10 20 30 40 50 60 AAUUCGUUAAGAGAUCU---| U C GU C A GUAAA AU ACAC CAGU GGAAGA UAGUG UUUUGUUGUU U UG UGUG GUCG CCUUCU AUCAC AAAAUAACAA U UUCAUAGUAGUCAUCUUGUG^ U U AC - - UCGUA . 110 100 90 80 70