17576
Here we show that , in addition , Foxa2 is acetylated at the conserved residue Lys259 following inhibition of histone deacetylases ( HDACs ) class I - III and the cofactors p300 and SirT1 are involved in Foxa2 acetylation and deacetylation , respectively .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 None