Interleukin 4 activates a signal transducer and activator of transcription ( Stat ) protein which interacts with an interferon-gamma activation site-like sequence upstream of the I epsilon exon in a human B cell line .
interleukin 4 activates a signal transducer and activator of transcription ( stat ) protein which interacts with an interferon-gamma activation site-like sequence upstream of the i epsilon exon in a human b cell line .
B-protein_molecule I-protein_molecule O O B-other_name I-other_name O B-other_name O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O B-cell_line I-cell_line I-cell_line I-cell_line O