9048
Previously , we characterized a DNA - binding protein , HS2NF5 , that bound tightly to a conserved region within hypersensitive site 2 ( HS2 ) of the human beta - globin locus control region ( LCR ) ( Lam , L .
 HS2NF5, human beta - globin locus control region
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 HS2NF5, human beta - globin locus control region