A new B-cell-specific enhancer element has been identified 3' of E4 and the octamerlike motifs in the human immunoglobulin heavy-chain gene enhancer .
a new b-cell-specific enhancer element has been identified 3' of e4 and the octamerlike motifs in the human immunoglobulin heavy-chain gene enhancer .
O O B-DNA_domain_or_region I-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O O O O O B-protein_subunit I-protein_subunit I-protein_subunit O O O