14971
The recombinant polypeptide formed sequence-specific complexes with the EBF -binding site in the mb-1 promoter .
 ( protein: EBF, None) , ( DNA: mb-1 promoter, None) , ( protein: recombinant polypeptide, None) , ( DNA: EBF -binding site, 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: EBF, None) , ( DNA: mb-1 promoter, None) , ( protein: recombinant polypeptide, None) , ( DNA: EBF -binding site, None) 