PU . 1/Pip and basic helix loop helix zipper transcription factors interact with binding sites in the CD20 promoter to help confer lineage- and stage-specific expression of CD20 in B lymphocytes .
pu . 1/pip and basic helix loop helix zipper transcription factors interact with binding sites in the cd20 promoter to help confer lineage- and stage-specific expression of cd20 in b lymphocytes .
B-protein_molecule I-protein_molecule I-protein_molecule O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group I-protein_family_or_group B-protein_family_or_group I-protein_family_or_group O O B-DNA_domain_or_region I-DNA_domain_or_region O O B-DNA_domain_or_region I-DNA_domain_or_region O O O O O O O O B-protein_molecule O B-cell_type I-cell_type O