13298
PKB is activated in response to triggering of the T cell antigen receptor ; PtdIns 3-kinase activity is both required and sufficient for this TCR response .
 ( protein: T cell antigen receptor, None) , ( protein: TCR, None) , ( protein: PKB, None) , ( protein: PtdIns 3-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: T cell antigen receptor, None) , ( protein: TCR, None) , ( protein: PKB, None) , ( protein: PtdIns 3-kinase, None) 