8248
A direct interaction between the adaptor protein Cbl-b and the kinase zap-70 induces a positive signal in T cells .
 ( protein: zap-70, None) , ( protein: adaptor protein, None) , ( protein: Cbl-b, None) , ( cell type: T cells, None) , ( protein: kinase, 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: zap-70, None) , ( protein: adaptor protein, None) , ( protein: Cbl-b, None) , ( cell type: T cells, None) , ( protein: kinase, None) 