7882
After tyrosine phosphorylation by src and possibly syk protein tyrosine kinases SIT recruits the SH2 domain -containing tyrosine phosphatase SHP2 via an immunoreceptor tyrosine-based inhibition motif.
 ( protein: SIT, None) , ( protein: SH2 domain -containing tyrosine phosphatase, None) , ( protein: protein tyrosine kinases, None) , ( protein: src, None) , ( protein: SHP2, None) , ( protein: SH2 domain, None) , ( protein: syk, 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: SIT, None) , ( protein: SH2 domain -containing tyrosine phosphatase, None) , ( protein: protein tyrosine kinases, None) , ( protein: src, None) , ( protein: SHP2, None) , ( protein: SH2 domain, None) , ( protein: syk, None) 