1204
Reporter gene experiments demonstrated that NF-kappa B transcriptional activity is not affected by expression of activated p21ras .
 ( protein: NF-kappa B, None) , ( DNA: p21ras, 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: NF-kappa B, None) , ( DNA: p21ras, None) 