1201
The aim of this present study was to investigate the role of protein kinase C ( PKC ), downstream of p21ras , in activating interleukin-2 (IL-2) gene expression .
 ( protein: protein kinase C, None) , ( DNA: interleukin-2 (IL-2) gene, None) , ( DNA: p21ras, None) , ( protein: PKC, 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: protein kinase C, None) , ( DNA: interleukin-2 (IL-2) gene, None) , ( DNA: p21ras, None) , ( protein: PKC, None) 