tokens: Identification of transcriptional suppressor proteins that bind to the negative regulatory element of the human immunodeficiency virus type 1 .
folded_tokens: identification of transcriptional suppressor proteins that bind to the negative regulatory element of the human immunodeficiency virus type 1 .
labels: O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-virus I-virus I-virus I-virus I-virus O