tokens: The ubiquitous octamer-binding protein ( s ) is sufficient for transcription of immunoglobulin genes .
folded_tokens: the ubiquitous octamer-binding protein ( s ) is sufficient for transcription of immunoglobulin genes .
labels: O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O O O B-other_name O B-DNA_family_or_group I-DNA_family_or_group O