tokens: The structural classes of transcription factors are described and basic methods for detection and analysis of transcription factors are detailed .
folded_tokens: the structural classes of transcription factors are described and basic methods for detection and analysis of transcription factors are detailed .
labels: O O O O B-protein_family_or_group I-protein_family_or_group O O O O O O O O O O B-protein_family_or_group I-protein_family_or_group O O O