7549
Mutation of either of the putative NF-kappaB-binding sites in the enhancer element decreased the LPS -stimulated transcriptional activity .
 ( DNA: NF-kappaB-binding sites, 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: NF-kappaB-binding sites, None) 