908
The previously characterized factors J kappa , PU.1 , and AML1 bind to the LMP-1 E2RE , along with six other unidentified factors ( LBF2 to LBF7 ).
 ( DNA: LMP-1 E2RE, None) , ( protein: LBF7, None) , ( protein: AML1, None) , ( protein: LBF2, None) , ( protein: PU.1, None) , ( protein: J kappa, 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:
 ( DNA: LMP-1 E2RE, None) , ( protein: LBF7, None) , ( protein: AML1, None) , ( protein: LBF2, None) , ( protein: PU.1, None) , ( protein: J kappa, None) 