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However , using ATL - 16T nuclear extract , we demonstrated that GATA - 4 is the only GATA - binding protein that forms specific DNA - protein complex with the - 70 GATA site .
 GATA - 4, GATA - binding protein
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 GATA - 4, GATA - binding protein