B-cell-specific transcription of this gene was dependent on the octamer element 5'-ATGCAAAG-3' , located in the upstream region of this promoter and in the promoters of all other immunoglobulin heavy- and light- chain genes .
b-cell-specific transcription of this gene was dependent on the octamer element 5'-atgcaaag-3' , located in the upstream region of this promoter and in the promoters of all other immunoglobulin heavy- and light- chain genes .
O O O O O O O O O B-DNA_domain_or_region I-DNA_domain_or_region B-polynucleotide O O O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region O O O B-DNA_domain_or_region O O O O O O O O O O