5167
ICSAT is structurally most closely related to the previously cloned ICSBP , a member of the IFN regulatory factor (IRF) family of proteins that binds to interferon consensus sequences ( ICSs ) found in many promoters of the IFN-regulated genes .
 ICSAT, IFN-regulated genes, ICSBP, interferon consensus sequences, ICSs, IFN regulatory factor (IRF) family
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:
 ICSAT, IFN-regulated genes, ICSBP, interferon consensus sequences, ICSs, IFN regulatory factor (IRF) family