tokens: In the present study , we have utilized a mutant Jak1 -deficient HeLa cell line , E1C3 , and its parental Jak1 -expressing counterpart , 1D4 , to analyze the role of Jak1 in mediating IL-4-induced tyrosine phosphorylation events .
folded_tokens: in the present study , we have utilized a mutant jak1 -deficient hela cell line , e1c3 , and its parental jak1 -expressing counterpart , 1d4 , to analyze the role of jak1 in mediating il-4-induced tyrosine phosphorylation events .
labels: O O O O O O O O O B-cell_line B-protein_molecule O O O O O B-cell_line O O O B-cell_line B-protein_molecule O O O B-cell_line O O O O O O B-protein_molecule O O B-other_name B-amino_acid_monomer O O O