4980
As judged by supershifting the DNA-protein complexes with Abs recognizing specific components of the NF-kappa B/Rel protein family , the p50/p65 ( Rel A ) heterodimeric form of NF-kappa B is primarily affected.
 NF-kappa B/Rel protein family, DNA-protein complexes, p50/p65, NF-kappa B/Rel, NF-kappa B, Abs, Rel A
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 NF-kappa B/Rel protein family, DNA-protein complexes, p50/p65, NF-kappa B/Rel, NF-kappa B, Abs, Rel A