5830
Unlike EKLF , Sp1 , which also binds to CACCC boxes, is not recruited to 5'HS3 .
 Sp1, EKLF, 5'HS3
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:
 Sp1, EKLF, 5'HS3