482
These results imply that at least three signals are required to activate the GM-CSF proximal promoter , and that the signals impinge on distinct transcription factors that bind to the hCLEO and NF-kappa B regions of the promoter .
 ( DNA: hCLEO and NF-kappa B regions, None) , ( DNA: promoter, None) , ( protein: GM-CSF, None) , ( DNA: hCLEO, None) , ( DNA: NF-kappa B regions, None) , ( DNA: proximal promoter, None) , ( protein: transcription factors, None) , ( protein: NF-kappa B, None) , ( DNA: GM-CSF proximal promoter, 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: hCLEO and NF-kappa B regions, None) , ( DNA: promoter, None) , ( protein: GM-CSF, None) , ( DNA: hCLEO, None) , ( DNA: NF-kappa B regions, None) , ( DNA: proximal promoter, None) , ( protein: transcription factors, None) , ( protein: NF-kappa B, None) , ( DNA: GM-CSF proximal promoter, None) 