10858
Disruption of the Jak1 -binding proline-rich Box1 region of IL-4Ralpha abolished signaling by this chimeric receptor .
 ( protein: chimeric receptor, None) , ( protein: Jak1, None) , ( protein: IL-4Ralpha, None) , ( protein: Jak1 -binding proline-rich Box1 region, 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: chimeric receptor, None) , ( protein: Jak1, None) , ( protein: IL-4Ralpha, None) , ( protein: Jak1 -binding proline-rich Box1 region, None) 