6489
First, STAT4 was required for the IL-12 -dependent transactivation of an IRF-1 reporter construct , and second, STAT4 binding to the IRF-1 promoter was shown using EMSA .
 DNA: IRF-1 promoter; DNA: IRF-1 reporter construct; protein: IL-12; protein: IRF-1; protein: STAT4; protein: STAT4; protein: IRF-1
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: IRF-1 promoter, IRF-1 reporter construct, IL-12, IRF-1, STAT4, STAT4, IRF-1 
Answer:
 DNA: IRF-1 promoter; DNA: IRF-1 reporter construct; protein: IL-12; protein: IRF-1; protein: STAT4; protein: STAT4; protein: IRF-1