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The ZEBRA activation region was replaced with the potent acid activation region from the herpes simplex virus VP16 protein or with the activation region of the EBV R protein .
 ( protein: ZEBRA activation region, None) , ( protein: EBV R protein, None) , ( protein: ZEBRA, None) , ( protein: herpes simplex virus VP16 protein, None) , ( protein: acid activation region, None) , ( protein: activation region, 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:
 ( protein: ZEBRA activation region, None) , ( protein: EBV R protein, None) , ( protein: ZEBRA, None) , ( protein: herpes simplex virus VP16 protein, None) , ( protein: acid activation region, None) , ( protein: activation region, None) 