Cell type- and stage-specific expression of the CD20/B1 antigen correlates with the activity of a diverged octamer DNA motif present in its promoter .
cell type- and stage-specific expression of the cd20/b1 antigen correlates with the activity of a diverged octamer dna motif present in its promoter .
O O O O O O O B-protein_molecule I-protein_molecule O O O O O O O B-DNA_substructure I-DNA_substructure I-DNA_substructure O O O B-DNA_domain_or_region O