Constitutive tyrosine phosphorylation of a 130-kD protein ( s ) was observed in the tax transformed fibroblast B line and in HTLV-1 transformed human lymphoid lines , but not in thymocytes from Thy-tax transgenic mice .
constitutive tyrosine phosphorylation of a 130-kd protein ( s ) was observed in the tax transformed fibroblast b line and in htlv-1 transformed human lymphoid lines , but not in thymocytes from thy-tax transgenic mice .
O B-amino_acid_monomer O O O B-protein_family_or_group I-protein_family_or_group O O O O O O O B-protein_molecule B-cell_line I-cell_line I-cell_line I-cell_line O O B-virus O O O O O O O O B-cell_type O B-other_artificial_source I-other_artificial_source I-other_artificial_source O