4015
IL4 and IL13 receptors share the gamma c chain and activate STAT6 , STAT3 and STAT5 proteins in normal human B cells .
 ( protein: gamma c chain, None) , ( cell type: normal human B cells, 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: gamma c chain, None) , ( cell type: normal human B cells, None) 