No significant differences between EBNA-2 -positive and EBNA-2 -negative nuclear extracts could be seen in the gel retardation assay under conditions that clearly showed binding of EBNA-2A to the TP1 promoter .
no significant differences between ebna-2 -positive and ebna-2 -negative nuclear extracts could be seen in the gel retardation assay under conditions that clearly showed binding of ebna-2a to the tp1 promoter .
O O O O B-protein_molecule O O B-protein_molecule O B-cell_component I-cell_component O O O O O B-other_name I-other_name I-other_name O O O O O O O B-protein_molecule O O B-DNA_domain_or_region I-DNA_domain_or_region O