757
From supershift experiments it was concluded that one DNA-binding complex contained Stat1 alpha , probably as a homodimer.
 ( protein: DNA-binding complex, None) , ( protein: Stat1 alpha, 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: DNA-binding complex, None) , ( protein: Stat1 alpha, None) 