6599
This Delta19 beta-catenin mutant localizes to the nucleus because it may not be efficiently sequestered in the cytoplasm .
 ( protein: Delta19 beta-catenin mutant, None) , ( DNA: Delta19, 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: Delta19 beta-catenin mutant, None) , ( DNA: Delta19, None) , ( protein: beta-catenin, None) 