Expression of the kappa immunoglobulin light chain gene requires developmental- and tissue-specific regulation by trans-acting factors which interact with two distinct enhancer elements .
expression of the kappa immunoglobulin light chain gene requires developmental- and tissue-specific regulation by trans-acting factors which interact with two distinct enhancer elements .
O O O B-DNA_substructure I-DNA_substructure I-DNA_substructure I-DNA_substructure I-DNA_substructure O O O O O O B-protein_family_or_group I-protein_family_or_group O O O O O B-DNA_family_or_group I-DNA_family_or_group O