Thus , OBF-1 has all the properties expected for a B cell-specific transcriptional coactivator protein .
thus , obf-1 has all the properties expected for a b cell-specific transcriptional coactivator protein .
O O B-protein_molecule O O O O O O 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 O