10214
The 4-bp mutation of the core Sp1 consensus element abolished footprinting at the site and an antibody super-shift reaction showed that Sp1 is one of the factors binding the consensus site .
 ( protein: Sp1, None) , ( DNA: consensus site, None) , ( DNA: Sp1 consensus element, 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) , ( DNA: consensus site, None) , ( DNA: Sp1 consensus element, None) 