The expression of p45 megakaryocytic lineage cells , p45 mRNA is transcribed only from aNF-E2 promoter .
the expression of p45 megakaryocytic lineage cells , p45 mrna is transcribed only from anf-e2 promoter .
O O O B-protein_molecule B-cell_type I-cell_type I-cell_type O B-protein_molecule O O O O O B-DNA_domain_or_region I-DNA_domain_or_region O