8167
Tyrosine phosphorylation of IFN-gammaR , Jak1 , Jak2 , and Stat1alpha was examined by immunoblotting .
 ( protein: Jak2, None) , ( protein: Stat1alpha, None) , ( protein: IFN-gammaR, None) , ( protein: Jak1, 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: Jak2, None) , ( protein: Stat1alpha, None) , ( protein: IFN-gammaR, None) , ( protein: Jak1, None) 