1827
A regulatory element in the human interleukin 2 gene promoter is a binding site for the zinc finger proteins Sp1 and EGR-1 .
 DNA: human interleukin 2 gene promoter; protein: EGR-1; protein: Sp1; DNA: regulatory element; DNA: binding site; protein: zinc finger 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: human interleukin 2 gene promoter; protein: EGR-1; protein: Sp1; DNA: regulatory element; DNA: binding site; protein: zinc finger proteins