9296
Consistent with this , purified Dlk phosphorylated core histones H3 , H2A and H4 as exogenous substrates and endogenous histone H3 in kinase assays with nuclear extracts .
 Dlk, histones H3, H2A, H4, histone H3
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Dlk, histones H3, H2A, H4, histone H3