5449
Deletional and site-directed mutagenesis revealed the presence of multiple functionally critical cis elements within this region, one of which was a nuclear factor (NF)-kappaB consensus sequence .
 ( DNA: cis elements, None) , ( DNA: nuclear factor (NF)-kappaB consensus sequence, 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: cis elements, None) , ( DNA: nuclear factor (NF)-kappaB consensus sequence, None) 