tokens: LBF4 has a molecular mass of 105 kDa and is probably unrelated to PU . 1 .
folded_tokens: lbf4 has a molecular mass of 105 kda and is probably unrelated to pu . 1 .
labels: B-protein_molecule O O O O O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O