We report the identification of a T cell-specific transcription factor , TCF-1 , binding to this element .
we report the identification of a t cell-specific transcription factor , tcf-1 , binding to this element .
O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O B-protein_molecule O O O O O O