tokens: To determine the E1A domain ( s ) responsible for these properties several cell lines were created by transforming baby rat kidney ( BRK ) cells with a set of plasmids expressing different Ad2/Ad12 hybrid E1A gene products .
folded_tokens: to determine the e1a domain ( s ) responsible for these properties several cell lines were created by transforming baby rat kidney ( brk ) cells with a set of plasmids expressing different ad2/ad12 hybrid e1a gene products .
labels: O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O B-cell_line I-cell_line O O O O B-cell_line I-cell_line I-cell_line I-cell_line I-cell_line I-cell_line I-cell_line O O O O B-DNA_molecule O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O