Finally , co-immunoprecipitation analysis revealed that Tax is able to stably bind to both Sp1 and NGFI-A/Egr-1 .
finally , co-immunoprecipitation analysis revealed that tax is able to stably bind to both sp1 and ngfi-a/egr-1 .
O O O O O O B-protein_molecule O O O O O O O B-protein_molecule O B-protein_molecule O