2503
On the other hand, NF-kappa B induction and IL-2 receptor expression occurred even with the smaller second messenger response generated by OKT3 .
 ( protein: NF-kappa B, None) , ( protein: IL-2, None) , ( protein: OKT3, 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: NF-kappa B, None) , ( protein: IL-2, None) , ( protein: OKT3, None) 