13836
Employing this method , we identified the deubiquitinating enzyme ubiquitin - specific protease 22 ( USP22 ) , a component of the deubiquitinating module ( DUBm ) of the SAGA transcriptional coactivating complex , as a SIRT1 - interacting partner .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None