tokens: Multiple proteins exhibiting ARRE-2 binding activity have been isolated , including a heterodimer from stimulated T-cell nuclear extracts consisting of Mr = 90 000 ( NF90 ) and Mr = 45 000 ( NF45 ) subunits .
folded_tokens: multiple proteins exhibiting arre-2 binding activity have been isolated , including a heterodimer from stimulated t-cell nuclear extracts consisting of mr = 90 000 ( nf90 ) and mr = 45 000 ( nf45 ) subunits .
labels: O O O B-DNA_domain_or_region O O O O O O O O B-protein_complex O B-cell_component I-cell_component I-cell_component I-cell_component O O O O O O O B-protein_subunit O O O O O O O B-protein_subunit O O O