tokens: Growth transformation of primary normal B-cells by mutant virus resulted in estrogen -dependent lymphoblastoid cell lines expressing the chimeric EBNA2 protein .
folded_tokens: growth transformation of primary normal b-cells by mutant virus resulted in estrogen -dependent lymphoblastoid cell lines expressing the chimeric ebna2 protein .
labels: O O O B-cell_type I-cell_type B-cell_type O B-virus I-virus O O B-lipid O O O O O O O B-protein_molecule O O