8469
Supershift analysis revealed these proteins to be Egr-1 and Egr-2 (Krox-20); Egr-3 was not detected.
 ( protein: Egr-1, None) , ( protein: Egr-3, None) , ( protein: Egr-2, 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: Egr-1, None) , ( protein: Egr-3, None) , ( protein: Egr-2, None) 