5889
The data demonstrate that the T-cell antigen receptor -CD3 (TcR- CD3 ) complex is functionally linked to two different protein tyrosine kinase ( PTK ) modules with separate specific functions and that CD45 may be an important regulator of this coupling.
 ( protein: CD45, None) , ( protein: -CD3, None) , ( protein: CD3, None) , ( protein: protein tyrosine kinase, None) , ( protein: PTK, None) , ( protein: -CD3 (TcR- CD3 ) complex, 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: CD45, None) , ( protein: -CD3, None) , ( protein: CD3, None) , ( protein: protein tyrosine kinase, None) , ( protein: PTK, None) , ( protein: -CD3 (TcR- CD3 ) complex, None) 