10 20 30 40 50 UGCUUCAUGUCCCUUUCCC--| CA UUACCGU AGGGGAGGGGCUGGGUUUA UUGGGAGAACUU \ UCCCCUCCCCGACCCGAAU AACCCUCUUGGA G CACAUCCCAACUCCGUCCGUC^ AC GGACCAA . 110 100 90 80 70