Transient transfection experiments with expression vectors for two of the isoforms demonstrated that the 32 . 2-kDa protein is an activator of transcription of granulocyte colony-stimulating factor receptor promoter , while the 14 . 3-kDa protein is not .
transient transfection experiments with expression vectors for two of the isoforms demonstrated that the 32 . 2-kda protein is an activator of transcription of granulocyte colony-stimulating factor receptor promoter , while the 14 . 3-kda protein is not .
O O O O O O O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O