tokens: The DNA binding protein NF-kB is a central mediator in cytokine activation of HIV transcription .
folded_tokens: the dna binding protein nf-kb is a central mediator in cytokine activation of hiv transcription .
labels: O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O O B-protein_family_or_group O O B-virus O O