6075
We present evidence that YY1 , a ubiquitously expressed DNA - binding protein , regulates the activity of the c - fos promoter primarily through an effect on DNA structure .
 YY1, c - fos promoter
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 YY1, c - fos promoter