7871
Recently, members of the Lef/Tcf transcription factor family have been identified as protein partners of beta-catenin , explaining how beta-catenin alters gene expression .
 ( protein: Lef/Tcf transcription factor family, None) , ( protein: beta-catenin, None) , ( protein: beta-catenin, 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: Lef/Tcf transcription factor family, None) , ( protein: beta-catenin, None) , ( protein: beta-catenin, None) 