9576
Using antibodies in an electrophoretic mobility supershift assay , one of these complexes was shown to contain NF-kappa B1 and RelA , and to bind with higher affinity to the consensus kappa B site in the HIV long terminal repeat .
 ( DNA: HIV long terminal repeat, None) , ( protein: RelA, None) , ( DNA: consensus kappa B site, None) , ( protein: NF-kappa B1, 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: HIV long terminal repeat, None) , ( protein: RelA, None) , ( DNA: consensus kappa B site, None) , ( protein: NF-kappa B1, None) 