Point mutation of the c-Myb site within the intact 2 . 3-kb LCR severely attenuated enhancer activity in transfections and LCR activity in transgenic thymocytes .
point mutation of the c-myb site within the intact 2 . 3-kb lcr severely attenuated enhancer activity in transfections and lcr activity in transgenic thymocytes .
O O O O B-protein_molecule O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O B-other_name I-other_name O O O B-DNA_domain_or_region O O B-cell_line B-cell_type O