10 20 30 40 50 UCGGUUCUGAGCCUUCU- CGCG-| GAU AC G GCUGU GGUG CUG GUAACAGCA UCCAU UGGAA A CCAC GAC CAUUGUCGU AGGUG ACCUU U UCCCAAGUGCAACACGGG CUAGA^ GUC GA - GUGUG 110 100 90 80 70 60