4018
In spite of this similar downstream signalling, IL4 and IL13 used a different set of Janus kinases : IL13 is unable to activate JAK1 and JAK3 .
 ( protein: IL13, None) , ( protein: JAK1, None) , ( protein: JAK3, None) , ( protein: Janus kinases, None) , ( protein: IL4, None) , ( protein: IL13, 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: IL13, None) , ( protein: JAK1, None) , ( protein: JAK3, None) , ( protein: Janus kinases, None) , ( protein: IL4, None) , ( protein: IL13, None) 