tokens: We demonstrated by electrophoretic mobility shift assay , electrophoretic mobility shift assay with antibody , UV cross-linking followed by SDS-gel electrophoresis , and Western analysis that Nm23H2 in B cell nuclear extracts bound to the c-myc PuF site .
folded_tokens: we demonstrated by electrophoretic mobility shift assay , electrophoretic mobility shift assay with antibody , uv cross-linking followed by sds-gel electrophoresis , and western analysis that nm23h2 in b cell nuclear extracts bound to the c-myc puf site .
labels: O O O B-other_name I-other_name I-other_name I-other_name O B-other_name I-other_name I-other_name I-other_name O O O B-other_name I-other_name O O B-other_name I-other_name O O B-other_name I-other_name O B-protein_molecule O B-cell_component I-cell_component I-cell_component I-cell_component O O O O B-DNA_domain_or_region I-DNA_domain_or_region O