10 20 30 40 50 GGGGCGCUGCGACGCUCA--| C A C GAGAU ACA GGCGGGCGCUCA UAAAUGCUUGU GAAUC \ UGU UCGCCCGCGAGU AUUUAUGGGCA CUUAG G GCGGGUCGUGUCGCAUACCG^ C C A AUCGC 110 100 90 80 70 60