13761
Thus, coupling of TCR-regulated PTKs to downstream signaling pathways requires SLP-76 .
 ( protein: SLP-76, None) , ( protein: PTKs, None) , ( protein: TCR-regulated PTKs, 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: SLP-76, None) , ( protein: PTKs, None) , ( protein: TCR-regulated PTKs, None) 