1727
The zta transactivator involved in induction of lytic cycle gene expression in Epstein - Barr virus - infected lymphocytes binds to both AP - 1 and ZRE sites in target promoter and enhancer regions .
 zta transactivator, AP - 1, ZRE sites
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 zta transactivator, AP - 1, ZRE sites