11168
AP-1 derived from mature monocytes and astrocytes preferentially interacts with the HTLV-I promoter central 21 bp repeat .
 ( cell type: astrocytes, None) , ( DNA: HTLV-I promoter, None) , ( protein: AP-1, None) , ( DNA: 21 bp repeat, None) , ( cell type: mature monocytes, 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:
 ( cell type: astrocytes, None) , ( DNA: HTLV-I promoter, None) , ( protein: AP-1, None) , ( DNA: 21 bp repeat, None) , ( cell type: mature monocytes, None) 