tokens: We show that the molecular mechanism ( s ) underlying Ig gene extinction can be explained , at least in part , by a lack of transcription factors that are essential for Ig gene transcription .
folded_tokens: we show that the molecular mechanism ( s ) underlying ig gene extinction can be explained , at least in part , by a lack of transcription factors that are essential for ig gene transcription .
labels: O O O O B-other_name I-other_name O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O