Constitutive basal phosphorylation of Jak3 and , usually , STAT3 and STAT5 was detected in all four IL-2 -independent cell lines tested , but in none of the three IL-2 -dependent cell lines .
constitutive basal phosphorylation of jak3 and , usually , stat3 and stat5 was detected in all four il-2 -independent cell lines tested , but in none of the three il-2 -dependent cell lines .
O O O O B-protein_molecule O O O O B-protein_molecule O B-protein_molecule O O O O O B-protein_molecule O O O O O O O O O O O B-protein_molecule O O O O