39
Most hybrids express both KBF1 and NF-kappa B in their nuclei , but one hybrid expresses only KBF1 .
 protein: KBF1; protein: KBF1; 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: KBF1; protein: KBF1; protein: NF-kappa B