1496
In contrast, mutation of the kappa B enhancer results in markedly attenuated activities of both promoters .
 protein: kappa B enhancer; DNA: promoters
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: kappa B enhancer; DNA: promoters