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We find that recruitment of EKLF to 5'HS2 requires the TATA box , but recruitment to 5'HS3 depends on the CACCC and TATA boxes of the beta-globin promoter .
 TATA box, 5'HS2, beta-globin promoter, 5'HS3, TATA boxes, 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:
 TATA box, 5'HS2, beta-globin promoter, 5'HS3, TATA boxes, EKLF