tokens: TCF-1 belonged to a novel family of genes that contain the so-called high mobility group 1 ( HMG ) box .
folded_tokens: tcf-1 belonged to a novel family of genes that contain the so-called high mobility group 1 ( hmg ) box .
labels: B-protein_molecule O O O O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O