11549
The mutant, containing a serine -to- alanine substitution in the DNA-binding domain of the protein, bound to several known ZEBRA -binding sites and activated transcription from reporters bearing known ZEBRA -responsive promoters but did not disrupt latency in EBV -infected cell lines .
 DNA-binding domain, EBV -infected cell lines, ZEBRA -responsive promoters, ZEBRA, ZEBRA, ZEBRA -binding sites
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 DNA-binding domain, EBV -infected cell lines, ZEBRA -responsive promoters, ZEBRA, ZEBRA, ZEBRA -binding sites