tokens: MEK1 and the extracellular signal-regulated kinases are required for the stimulation of IL-2 gene transcription in T cells .
folded_tokens: mek1 and the extracellular signal-regulated kinases are required for the stimulation of il-2 gene transcription in t cells .
labels: B-protein_molecule O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-cell_type I-cell_type O