tokens: We have identified and separated four nuclear proteins from C81-66-45 cells , an HTLV-I immortalized Tax -expressing human T-lymphocyte line ( Salahuddin et al . , 1983 ) , that interact with the TRE -DNA , none of which are identical with the Tax -protein .
folded_tokens: we have identified and separated four nuclear proteins from c81-66-45 cells , an htlv-i immortalized tax -expressing human t-lymphocyte line ( salahuddin et al . , 1983 ) , that interact with the tre -dna , none of which are identical with the tax -protein .
labels: O O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O B-virus O B-protein_molecule O O O O O O O O O O O O O O O O O B-DNA_domain_or_region O O O O O O O O O B-protein_molecule O O