670
These studies suggest that the specificities of some of the known biological functions of ZEBRA are not dependent upon the nature of the activation domain present within ZEBRA .
 ( protein: activation domain present, None) , ( protein: ZEBRA, None) , ( protein: ZEBRA, 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: activation domain present, None) , ( protein: ZEBRA, None) , ( protein: ZEBRA, None) 