1935
We have identified a "two-handed" zinc finger protein , denoted ZEB , the DNA-binding specificity of which mimics that of the cellular repressor .
 ( protein: "two-handed" zinc finger protein, None) , ( protein: cellular repressor, None) , ( protein: ZEB, 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: "two-handed" zinc finger protein, None) , ( protein: cellular repressor, None) , ( protein: ZEB, None) 