16162
Here , we focus on the repressive role of the Daxx / ATRX complex during Ad5 replication , which depends on intact protein - protein interaction , as negative regulation could be relieved with a Daxx mutant that is unable to interact with ATRX .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
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