1724
Liver specimens taken from patients with acute fulminant hepatitis had markedly increased NF-kappa B binding activity in comparison with the binding of normal livers .
 protein: NF-kappa B
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