1329
Nuclear factor kappa B ( NF-kappa B ) is stored in the cytoplasm as an inactive form through interaction with I kappa B .
 protein: I kappa B; protein: NF-kappa B; protein: Nuclear factor 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: I kappa B; protein: NF-kappa B; protein: Nuclear factor kappa B