6781
In this report, we show that two tyrosines , Tyr-113 and Tyr-128 , of SLP-76 are required for its binding to Vav , both in vitro and in intact cells .
 ( protein: Vav, None) , ( cell type: intact cells, None) , ( protein: SLP-76, 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: Vav, None) , ( cell type: intact cells, None) , ( protein: SLP-76, None) 