Beyond this nonspecific increase in gene expression , hemin induction acts to increase the activity of the lineage limited transcription factor NF-E2 .
beyond this nonspecific increase in gene expression , hemin induction acts to increase the activity of the lineage limited transcription factor nf-e2 .
O O O O O O O O B-protein_molecule O O O O O O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O