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HNF - 3 beta amino - terminal sequences defined by conserved region IV also contributed to transactivation , but region IV activity required the participation of the region II - III domain .
 HNF - 3 beta amino - terminal sequences
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 HNF - 3 beta amino - terminal sequences