tokens: GP Ib alpha promoter activity was evaluated by transfection of human erythroleukemia cells with reporter plasmids coding for the enzyme , luciferase .
folded_tokens: gp ib alpha promoter activity was evaluated by transfection of human erythroleukemia cells with reporter plasmids coding for the enzyme , luciferase .
labels: B-protein_family_or_group O O O O O O O O O B-cell_type I-cell_type I-cell_type O O O O O O B-protein_family_or_group O B-protein_molecule O