tokens: It also bound to the purine-rich CD3R element from the human immunodeficiency virus type 2 long terminal repeat , which is required for inducible virus expression in response to signalling through the T-cell receptor .
folded_tokens: it also bound to the purine-rich cd3r element from the human immunodeficiency virus type 2 long terminal repeat , which is required for inducible virus expression in response to signalling through the t-cell receptor .
labels: O 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 O O O O O O O O O O O B-other_name I-other_name O O O O O O B-protein_family_or_group I-protein_family_or_group O