637
Together, these findings suggest that the nuclear localization signal and transactivation domain of NF-kappa B p65 constitute a bipartite system that is critically involved in the inhibitory function of I kappa B/MAD-3 .
 protein: transactivation domain; protein: NF-kappa B p65; protein: I kappa B/MAD-3
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: transactivation domain; protein: NF-kappa B p65; protein: I kappa B/MAD-3