BSAP failed to trans-activate CD19 promoter constructs in B cells or non-B cells , suggesting that cis elements such as the PyG and GC boxes are also necessary for high level CD19 promoter expression .
bsap failed to trans-activate cd19 promoter constructs in b cells or non-b cells , suggesting that cis elements such as the pyg and gc boxes are also necessary for high level cd19 promoter expression .
B-protein_molecule O O O B-protein_molecule O O O B-cell_type I-cell_type O B-cell_type I-cell_type O O O O O O O O O O O O O O O O O O B-protein_molecule O O O