10 20 30 40 50 UCUACAAGACUCUCCUGCCCUA----| GC UG CA AACAC UUGUGU AGGUUGGGA AG GCAAUAUU U GACAUA UCCGGCCCU UC CGUUAUAA U UCGUCGGCUACAGGUUCGGUGAACUA^ -- GU A- CUCAC 110 100 90 80 70 60