tokens: It is unknown which Stat3 isoform ( s ) is activated in response to interleukin ( IL ) -2 and IL-15 .
folded_tokens: it is unknown which stat3 isoform ( s ) is activated in response to interleukin ( il ) -2 and il-15 .
labels: O O O O B-protein_molecule O O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O