tokens: From HeLa cells , two major proteins of 52 and 45 kilodaltons ( kD ) copurified with DNA binding activity , whereas from T-cells , four proteins--a major protein of 52 kD and three minor proteins of 82 , 67 , and 43-47 kD --were purified .
folded_tokens: from hela cells , two major proteins of 52 and 45 kilodaltons ( kd ) copurified with dna binding activity , whereas from t-cells , four proteins--a major protein of 52 kd and three minor proteins of 82 , 67 , and 43-47 kd --were purified .
labels: O B-cell_line I-cell_line O O O O O O O O O O O O O O B-other_name I-other_name I-other_name O O O B-cell_type O O O B-protein_family_or_group I-protein_family_or_group O B-protein_molecule I-protein_molecule O O B-protein_family_or_group I-protein_family_or_group O B-protein_molecule O B-protein_molecule O O B-protein_molecule I-protein_molecule O O O