12771
The 5'-UTR contains binding sites for the transcription factors AP-1, NF-kappaB , NF-AT , IRF , and Sp1 .
 NF-kappaB, NF-AT, IRF, 5'-UTR, transcription factors, Sp1, 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:
 NF-kappaB, NF-AT, IRF, 5'-UTR, transcription factors, Sp1, binding sites