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This factor is composed of a DNA-binding protein ( ISGF3 gamma ), which normally is present in the cytoplasm , and other IFN-alpha-activated proteins which preexist as latent cytoplasmic precursors ( ISGF3 alpha ).
 protein: IFN-alpha-activated proteins; protein: ISGF3 alpha; protein: latent cytoplasmic precursors; protein: DNA-binding protein; protein: ISGF3 gamma
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-alpha-activated proteins; protein: ISGF3 alpha; protein: latent cytoplasmic precursors; protein: DNA-binding protein; protein: ISGF3 gamma