tokens: The nature of the nuclear factor ( s ) that control TNF-alpha gene transcription in humans remains obscure , although NF-kappaB has been suggested .
folded_tokens: the nature of the nuclear factor ( s ) that control tnf-alpha gene transcription in humans remains obscure , although nf-kappab has been suggested .
labels: O O O O B-protein_family_or_group I-protein_family_or_group O O O O O B-protein_molecule O O O O O O O O B-protein_complex O O O O