E3 , a hematopoietic-specific transcript directly regulated by the retinoic acid receptor alpha .
e3 , a hematopoietic-specific transcript directly regulated by the retinoic acid receptor alpha .
B-protein_molecule O O B-protein_family_or_group I-protein_family_or_group O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O