10 20 30 40 50 CCAAAGAGCACUGAUGAUU--| AC C U C CGCUGUG UGC AGCACG GGUAGCAGAGG GCUG GAUA \ ACG UCGUGC CCAUCGUUUCU UGAC CUAU U GUCGCUUCGGUCUGCAUAUUU^ CU U - A ACUAUGA . 110 100 90 80 70