1321
Cysteine and NAC also inhibit NF-kappa B activity as determined by electrophoretic mobility shift assays and chloramphenicol acetyl-transferase ( CAT ) gene expression under control of NF-kappa B binding sites in uninfected cells .
 protein: NF-kappa B; protein: NF-kappa B; protein: chloramphenicol acetyl-transferase; protein: CAT; DNA: binding sites; cell type: uninfected cells
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: NF-kappa B; protein: NF-kappa B; protein: chloramphenicol acetyl-transferase; protein: CAT; DNA: binding sites; cell type: uninfected cells