7816
DNA band-shift assays revealed a decrease in the intensity of the full length SP1 /DNA complex and an increase in the intensity of a smaller complex due to the binding of one SP1 cleavage product.
 ( protein: SP1, None) , ( protein: SP1, 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: SP1, None) , ( protein: SP1, None) 