11376
Thus, gammac is not necessary to trigger IL-4 -mediated responses in B cells , but its presence is important for optimal IL-4 -signaling .
 ( protein: gammac, None) , ( protein: IL-4, None) , ( cell type: B cells, None) , ( protein: IL-4, 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: gammac, None) , ( protein: IL-4, None) , ( cell type: B cells, None) , ( protein: IL-4, None) 