tokens: A polyclonal antiserum raised against recombinant B4-2 recognizes a 32-34 kDa protein in lymphocytes .
folded_tokens: a polyclonal antiserum raised against recombinant b4-2 recognizes a 32-34 kda protein in lymphocytes .
labels: O B-other_organic_compound I-other_organic_compound O O B-protein_molecule B-DNA_molecule O O B-protein_molecule I-protein_molecule I-protein_molecule O B-cell_type O