13732
Another known consequence of the activation of PKC and subsequent activation of ERK kinase is activation of the transcription factor activator protein-1 ( AP-1 ).
 ( protein: AP-1, None) , ( protein: transcription factor activator protein-1, None) , ( protein: ERK kinase, 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: AP-1, None) , ( protein: transcription factor activator protein-1, None) , ( protein: ERK kinase, None) , ( protein: PKC, None) 