8118
Unexpectedly, the presence of nuclear I(kappa)B(alpha) did not inhibit NF-kappaB binding to DNA and this phenomenon was not due to the presence of IkappaBbeta at the nuclear level.
 NF-kappaB, I(kappa)B(alpha), nuclear I(kappa)B(alpha), IkappaBbeta
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-kappaB, I(kappa)B(alpha), nuclear I(kappa)B(alpha), IkappaBbeta