14501
We conclude from these results that the functional activity of members of the rel family is regulated by their interaction with DNA and that Rel can be a potent transcriptional activator on specific kappa B sites .
 DNA: kappa B sites; protein: rel family; protein: Rel
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: kappa B sites, rel family, Rel 
Answer:
 DNA: kappa B sites; protein: rel family; protein: Rel