tokens: Using in vitro translated polypeptides , we have demonstrated that NF90 specifically binds to double-stranded RNA .
folded_tokens: using in vitro translated polypeptides , we have demonstrated that nf90 specifically binds to double-stranded rna .
labels: O O B-peptide I-peptide I-peptide O O O O O B-protein_subunit O O O B-RNA_family_or_group I-RNA_family_or_group O