5189
Specific DNA protein complex formation was observed with the probes from the beta-casein and IRF-1 gene promoters , but not with the ISRE oligonucleotide probe , when cell extracts from acute lymphoblastic leukemia ( ALL ) and acute myeloid leukemia ( AML ) were investigated.
 ( DNA: IRF-1 gene promoters, None) , ( protein: protein complex, 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: IRF-1 gene promoters, None) , ( protein: protein complex, None) 