13455
Analysis of the regulation of the p40 gene promoter revealed that ASA inhibited NF-kappaB activation and binding to the p40-kappaB site in the p40 promoter , leading to transcriptional repression of the p40 gene .
 ( DNA: p40 promoter, None) , ( protein: p40-kappaB, None) , ( protein: p40, None) , ( DNA: p40-kappaB site, None) , ( DNA: p40 gene promoter, None) , ( protein: NF-kappaB, None) , ( protein: p40, None) , ( DNA: p40 gene, 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: p40 promoter, None) , ( protein: p40-kappaB, None) , ( protein: p40, None) , ( DNA: p40-kappaB site, None) , ( DNA: p40 gene promoter, None) , ( protein: NF-kappaB, None) , ( protein: p40, None) , ( DNA: p40 gene, None) 