7543
A region between-3134 and -2729 bp upstream from the transcription site of the human pro-interleukin 1beta ( proIL-1beta ) gene was identified as an LPS-responsive enhancer element .
 ( DNA: transcription site, None) , ( protein: human pro-interleukin 1beta, None) , ( protein: proIL-1beta, None) , ( DNA: human pro-interleukin 1beta ( proIL-1beta ) gene, None) , ( DNA: LPS-responsive enhancer element, 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: transcription site, None) , ( protein: human pro-interleukin 1beta, None) , ( protein: proIL-1beta, None) , ( DNA: human pro-interleukin 1beta ( proIL-1beta ) gene, None) , ( DNA: LPS-responsive enhancer element, None) 