tokens: Here , we report on the identification of an enhancer element in the CD48 gene which reproducibly confers strong transcriptional activity only in EBV -positive B-lymphoblastoid cell lines .
folded_tokens: here , we report on the identification of an enhancer element in the cd48 gene which reproducibly confers strong transcriptional activity only in ebv -positive b-lymphoblastoid cell lines .
labels: O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-protein_molecule O O O O O B-other_name I-other_name O O B-virus O O O O O