IL-2 and IL-7 were equivalent in their ability to induce tyrosine phosphorylation of STAT5A and STAT5B and to facilitate binding of these STATs to an immobilized GAS element .
il-2 and il-7 were equivalent in their ability to induce tyrosine phosphorylation of stat5a and stat5b and to facilitate binding of these stats to an immobilized gas element .
B-protein_molecule O B-protein_molecule O O O O O O O B-amino_acid_monomer O O B-protein_molecule O B-protein_molecule O O O O O O B-protein_family_or_group O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O