tokens: A murine monoclonal antibody raised to an unidentified estrogen receptor-related 29-kDa protein selectively recognized these proteins as well as a more basic , unphosphorylated 27-kDa protein .
folded_tokens: a murine monoclonal antibody raised to an unidentified estrogen receptor-related 29-kda protein selectively recognized these proteins as well as a more basic , unphosphorylated 27-kda protein .
labels: O B-protein_molecule I-protein_molecule I-protein_molecule O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule O