10 20 30 40 50 AAAGCUCUCCAUCUCUG--| A UAU C UAAUAC GAGUA CCAGU GUAC AUGCUGGUAGCCAGUG \ CUCGU GGUUA CAUG UGUGAUCAUCGGUCGU A ACUACAAAUCUAAAUCUGA^ C CUC U UCCGAA 110 100 90 80 70 60