tokens: In unstimulated cells which do not secrete IL-2 , only Sp1 binds to this region , while in stimulated IL-2 secreting cells the inducible EGR-1 protein recognizes this element .
folded_tokens: in unstimulated cells which do not secrete il-2 , only sp1 binds to this region , while in stimulated il-2 secreting cells the inducible egr-1 protein recognizes this element .
labels: O B-cell_type I-cell_type O O O O B-protein_molecule O O B-protein_molecule O O O O O O O B-cell_line B-protein_molecule O O O B-protein_molecule B-protein_molecule O O O O O