Activation of STAT5 by IL-4 relies on Janus kinase function but not on receptor tyrosine phosphorylation , and can contribute to both cell proliferation and gene regulation .
activation of stat5 by il-4 relies on janus kinase function but not on receptor tyrosine phosphorylation , and can contribute to both cell proliferation and gene regulation .
O O B-protein_molecule O B-protein_molecule O O B-protein_family_or_group I-protein_family_or_group O O O O B-other_name B-amino_acid_monomer O O O O O O O B-other_name I-other_name O B-other_name I-other_name O