Binding of YY1 and Oct1 to a novel element that downregulates expression of IL-5 in human T cells .
binding of yy1 and oct1 to a novel element that downregulates expression of il-5 in human t cells .
O O B-protein_molecule O B-protein_molecule O O O O O O O O B-protein_molecule O O B-cell_type I-cell_type O