The TCF-1 gene encodes a putative transcription factor with affinity for a sequence motif occurring in a number of T-cell enhancers .
the tcf-1 gene encodes a putative transcription factor with affinity for a sequence motif occurring in a number of t-cell enhancers .
O B-protein_molecule O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O B-DNA_substructure I-DNA_substructure O O O O O B-DNA_family_or_group I-DNA_family_or_group O