tokens: General transcription factors are required for accurate initiation of transcription by RNA polymerase II .
folded_tokens: general transcription factors are required for accurate initiation of transcription by rna polymerase ii .
labels: B-protein_family_or_group B-protein_family_or_group I-protein_family_or_group O O O O O O O O B-protein_complex I-protein_complex I-protein_complex O