1494
We have found that a region in both genes (-276 to -250 for IL-2-R alpha and -203 to -183 for IL-2 ), which corresponds to a kappa B enhancer element, is specifically protected by nuclear proteins from IARC 301 .
 DNA: kappa B enhancer element,; cell line: IARC 301; DNA: IL-2; DNA: IL-2-R alpha; protein: nuclear proteins
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:
 DNA: kappa B enhancer element,; cell line: IARC 301; DNA: IL-2; DNA: IL-2-R alpha; protein: nuclear proteins