3618
Silencing of human fetal globin expression is impaired in the absence of the adult beta-globin gene activator protein EKLF .
 adult beta-globin gene activator protein, globin, EKLF
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 adult beta-globin gene activator protein, globin, EKLF