The lymphocyte-specific immunoglobulin mu heavy-chain gene intronic enhancer is regulated by multiple nuclear factors .
the lymphocyte-specific immunoglobulin mu heavy-chain gene intronic enhancer is regulated by multiple nuclear factors .
O B-DNA_domain_or_region B-protein_subunit I-protein_subunit I-protein_subunit O O O O O O O B-protein_family_or_group I-protein_family_or_group O