6288
Gel mobility shift assays and transient transfection assays demonstrate that AML1 binds specifically to this site in the blk promoter and this binding site is important for blk promoter activity .
 ( DNA: blk, None) , ( DNA: blk, None) , ( DNA: blk promoter, None) , ( protein: AML1, 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: blk, None) , ( DNA: blk, None) , ( DNA: blk promoter, None) , ( protein: AML1, None) 