824
Transcriptional activity of core binding factor- alpha (AML1) and beta subunits on murine leukemia virus enhancer cores .
 ( DNA: murine leukemia virus enhancer cores, 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: murine leukemia virus enhancer cores, None) 