10 20 30 40 50 GCAAAGUCUUGUGAGGG---| U G UC G GUGUA AAG GAGUU UUA UUUGGUUAUCUAGCU UAUGA U UUC CUCAA AAU AAGCCAAUAGAUCGA AUACU U AUGCGAGGAGCUUCUAGAAC^ - A GA A UCUGG . 110 100 90 80 70 60