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Previously, a nuclear factor , IRF-1 ( interferon regulatory factor 1 ), which binds to type I IFN and some IFN -inducible gene promoters , was identified and cloned.
 protein: IFN; DNA: IFN -inducible gene promoters; protein: interferon regulatory factor 1; protein: IRF-1; DNA: type I IFN; protein: nuclear factor
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: IFN; DNA: IFN -inducible gene promoters; protein: interferon regulatory factor 1; protein: IRF-1; DNA: type I IFN; protein: nuclear factor