2478
The increases in AP-1 enhancer activity induced by PA or anti-CD3 mAb were efficiently abrogated by the presence of propranolol , an inhibitor of PA phosphohydrolase and protein kinase C ( PKC ).
 ( DNA: AP-1 enhancer, None) , ( protein: PKC, None) , ( protein: anti-CD3 mAb, None) , ( protein: phosphohydrolase, None) , ( protein: protein kinase C, 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:
 ( DNA: AP-1 enhancer, None) , ( protein: PKC, None) , ( protein: anti-CD3 mAb, None) , ( protein: phosphohydrolase, None) , ( protein: protein kinase C, None) 