6600
The nuclear localization of Delta19 definitively demonstrates that the mechanisms by which beta-catenin localizes in the nucleus are completely independent of LEF/TCF factors .
 ( DNA: Delta19, None) , ( protein: LEF/TCF factors, None) , ( protein: LEF/TCF, 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:
 ( DNA: Delta19, None) , ( protein: LEF/TCF factors, None) , ( protein: LEF/TCF, None) , ( protein: beta-catenin, None) 