tokens: Despite this lower affinity , a trimer of the BAT box sequence was as efficiently transactivated by an Oct-2 expression vector as was a trimer of the octamer sequence in HeLa cells .
folded_tokens: despite this lower affinity , a trimer of the bat box sequence was as efficiently transactivated by an oct-2 expression vector as was a trimer of the octamer sequence in hela cells .
labels: O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O B-protein_molecule O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O B-cell_line I-cell_line O