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We have constructed an HIV-1 genome carrying the cDNA of a proteolysis-resistant nuclear factor-kappaB inhibitor ( IkappaB-alphaS32/36A ) in the nef region .
 nef region, IkappaB-alphaS32/36A, cDNA, HIV-1 genome, nef, proteolysis-resistant nuclear factor-kappaB inhibitor
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:
 nef region, IkappaB-alphaS32/36A, cDNA, HIV-1 genome, nef, proteolysis-resistant nuclear factor-kappaB inhibitor