5187
The amino - terminal DNA - binding domain of Pip exhibits a high degree of homology to the DNA - binding domains of members of the interferon regulatory factor ( IRF ) family , which includes IRF - 1 , IRF - 2 , ICSBP , and ISGF3 gamma .
 Pip, interferon regulatory factor, IRF, IRF - 1, IRF - 2, ICSBP, ISGF3 gamma
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Pip, interferon regulatory factor, IRF, IRF - 1, IRF - 2, ICSBP, ISGF3 gamma