2012
A 3-bp mutation at the distal Sp1-binding site not only eliminates Sp1 interaction , but also abolishes most of the VitD3 induction of CD14 expression .
 ( protein: Sp1, None) , ( protein: CD14, None) , ( DNA: Sp1-binding site, 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: CD14, None) , ( DNA: Sp1-binding site, None) 