1484
We are currently engaged in defining where the two signals integrate along the AP-1 / NF-kappa B pathway .
 protein: NF-kappa B; protein: AP-1
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: AP-1