11069
Sp family members preferentially interact with the promoter proximal repeat within the HTLV-I enhancer .
 ( DNA: HTLV-I enhancer, None) , ( DNA: promoter proximal repeat, None) , ( protein: Sp family members, 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:
 ( DNA: HTLV-I enhancer, None) , ( DNA: promoter proximal repeat, None) , ( protein: Sp family members, None) 