11917
Members of the AP - 1 superfamily of basic - leucine zipper factors bind to the StRE .
 AP - 1 superfamily of basic - leucine zipper factors
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 AP - 1 superfamily of basic - leucine zipper factors