tokens: The Epstein-Barr virus latent membrane protein 1 ( LMP1 ) is essential for the transformation of B lymphocytes into lymphoblastoid cell lines .
folded_tokens: the epstein-barr virus latent membrane protein 1 ( lmp1 ) is essential for the transformation of b lymphocytes into lymphoblastoid cell lines .
labels: O B-virus I-virus B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O B-protein_molecule O O O O O O O B-cell_type B-cell_type O B-cell_line I-cell_line I-cell_line O