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A candidate gene to control thymocyte differentiation , T cell factor-1 ( TCF-1 )* encodes a DNA-binding protein .
 ( protein: TCF-1, None) , ( protein: T cell factor-1, None) , ( protein: DNA-binding protein, None) , ( cell type: thymocyte, 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: TCF-1, None) , ( protein: T cell factor-1, None) , ( protein: DNA-binding protein, None) , ( cell type: thymocyte, None) 