TCF-1 belongs to the family of transcription-regulating proteins which share a region of homology termed the HMG-box .
tcf-1 belongs to the family of transcription-regulating proteins which share a region of homology termed the hmg-box .
B-protein_molecule O O O O O B-protein_domain_or_region I-protein_domain_or_region O O O O O O O O B-protein_domain_or_region O