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Sequence alignment of HE- and CH-specific binding RNA aptamers. Color-highlighted bases indicate the RNA regions showing no consensus sequence motif among the aptamers within each group. Dash lines indicate the artificial gaps generated by the sequence alignment algorithm to maximize the matched sequence alignment. Boxed sequences indicate the consensus sequence clusters that are longer than 3-nt and shared by at least two of the GAG-specific binding aptamers in each group.
