11709
Reconstitution of T cell antigen receptor-induced Erk2 kinase activation in Lck-negative JCaM1 cells by Syk .
 ( protein: Erk2 kinase, None) , ( cell line: Lck-negative JCaM1 cells, 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: Erk2 kinase, None) , ( cell line: Lck-negative JCaM1 cells, None) , ( protein: Syk, None) 