843
In addition , hyperacetylation may render proteins susceptible to degradation by different mechanisms , including intrinsic ubiquitin ligase activity exerted by HATs and by dissociation of proteins from cellular chaperones .
 None
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