1360
Antiserum specific for NF-kappa B binding proteins , but not c-rel-specific antiserum , disrupted heterodimer complex formation .
 protein: NF-kappa B; protein: heterodimer complex; protein: NF-kappa B binding proteins
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: heterodimer complex; protein: NF-kappa B binding proteins