14431
In these studies, we have identified DNA sequences and specific protein interactions necessary for transcriptional regulation of the human prointerleukin 1 beta ( proIL-1 beta ) gene .
 ( protein: proIL-1 beta, None) , ( DNA: human prointerleukin 1 beta ( proIL-1 beta ) gene, None) , ( DNA: DNA sequences, None) , ( protein: human prointerleukin 1 beta, 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:
 ( protein: proIL-1 beta, None) , ( DNA: human prointerleukin 1 beta ( proIL-1 beta ) gene, None) , ( DNA: DNA sequences, None) , ( protein: human prointerleukin 1 beta, None) 