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Our data correlate the activity of NF-AT and AP-1 in gel shift assays with the two signals requirements for IL-2 gene expression .
 protein: AP-1; protein: IL-2; protein: NF-AT; DNA: IL-2 gene
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: AP-1; protein: IL-2; protein: NF-AT; DNA: IL-2 gene