By contrast , the binding activity of the NF-kappa ( B ) and EGR-1 transcription factors was little affected .
by contrast , the binding activity of the nf-kappa ( b ) and egr-1 transcription factors was little affected .
O O O O O O O O B-protein_complex I-protein_complex I-protein_complex I-protein_complex O B-protein_molecule B-protein_family_or_group I-protein_family_or_group O O O O