11129
Deletional analysis indicated that five Sp1 sites mediated basal expression in uninduced cells .
 ( protein: Sp1, None) , ( cell type: uninduced cells, None) , ( DNA: Sp1 sites, 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) , ( cell type: uninduced cells, None) , ( DNA: Sp1 sites, None) 