tokens: By functionally expressing receptor mutants in the murine pro-B cell line Ba/F3 , we could show that phosphorylated tyrosine residues within the IL-4R alpha chain are dispensable for IL-4 -induced STAT5 activity .
folded_tokens: by functionally expressing receptor mutants in the murine pro-b cell line ba/f3 , we could show that phosphorylated tyrosine residues within the il-4r alpha chain are dispensable for il-4 -induced stat5 activity .
labels: O O O B-protein_family_or_group I-protein_family_or_group O O B-cell_line I-cell_line I-cell_line I-cell_line B-cell_line O O O O O B-amino_acid_monomer B-amino_acid_monomer O O O B-protein_subunit I-protein_subunit I-protein_subunit O O O B-protein_molecule O B-protein_molecule O O