884
Thus, c-Fos /c-Jun heterodimers might contribute to the repression of DRA gene expression .
 protein: c-Fos; protein: c-Fos /c-Jun heterodimers; DNA: DRA gene; protein: /c-Jun
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: c-Fos; protein: c-Fos /c-Jun heterodimers; DNA: DRA gene; protein: /c-Jun