tokens: In conclusion , E ( gre ) motifs and interacting basic helix-loop-helix proteins are important determinants for MLV transcriptional activity in lymphocytic cell lines .
folded_tokens: in conclusion , e ( gre ) motifs and interacting basic helix-loop-helix proteins are important determinants for mlv transcriptional activity in lymphocytic cell lines .
labels: O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O B-virus O O O B-cell_line I-cell_line I-cell_line O