14974
Analysis of DNA binding by deletion mutants of EBF identified an amino-terminal cysteine-rich DNA-binding domain lacking obvious sequence similarity to known transcription factors .
 ( protein: transcription factors, None) , ( protein: amino-terminal cysteine-rich DNA-binding domain, None) , ( protein: EBF, 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: transcription factors, None) , ( protein: amino-terminal cysteine-rich DNA-binding domain, None) , ( protein: EBF, None) 