11805
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 .
 ( protein: DNA-protein complex, None) , ( DNA: -70 GATA site, None) , ( protein: GATA-binding protein, None) , ( protein: GATA-4, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: DNA-protein complex, None) , ( DNA: -70 GATA site, None) , ( protein: GATA-binding protein, None) , ( protein: GATA-4, None) 