IL-2 and T cell antigen receptor complex induction of STAT3alpha serine 727 phosphorylation is dependent on the activity of the MEK /ERK pathway .
il-2 and t cell antigen receptor complex induction of stat3alpha serine 727 phosphorylation is dependent on the activity of the mek /erk pathway .
B-protein_molecule O B-protein_complex I-protein_complex I-protein_complex I-protein_complex I-protein_complex O O B-protein_molecule B-amino_acid_monomer O O O O O O O O O B-protein_family_or_group B-protein_molecule O O