10 20 30 40 50 UCAGAUGUCUGCACUGA-- UG C -| C U C AUCAC AUG GUC UG UCAUCAAAGU GGUU GU AUAG C UAC CAG AC AGUAGUUUCG CCGA CA UAUC A CCAACUAUACCACACUGUU GU C G^ A - C AAUGC 110 100 90 80 70 60