1582
Growth transformation of primary normal B-cells by mutant virus resulted in estrogen -dependent lymphoblastoid cell lines expressing the chimeric EBNA2 protein .
 ( cell type: B-cells, None) , ( protein: EBNA2, None) , ( cell line: estrogen -dependent lymphoblastoid cell lines, None) , ( cell type: primary normal B-cells, None) , ( protein: EBNA2 protein, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( cell type: B-cells, None) , ( protein: EBNA2, None) , ( cell line: estrogen -dependent lymphoblastoid cell lines, None) , ( cell type: primary normal B-cells, None) , ( protein: EBNA2 protein, None) 