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Furthermore, these core regions of the enhancer and promoter each encompass closely linked binding sites for CBF , AP-1 , and NFATp .
 CBF, AP-1, NFATp, closely linked binding sites
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:
 CBF, AP-1, NFATp, closely linked binding sites