tokens: A specific , retarded band containing VDR-RXR was identified when wild type cell but not when vitamin D -resistant cell nuclear extract was used in the binding reaction with either probe .
folded_tokens: a specific , retarded band containing vdr-rxr was identified when wild type cell but not when vitamin d -resistant cell nuclear extract was used in the binding reaction with either probe .
labels: O O O O O O B-protein_molecule O O O O O O O O O B-lipid I-lipid O O O O O O O O O O O O O O