4298
cAMP inhibited the induction of expression of IL-2 receptor components , but did not inhibit IL-4 receptor alpha-chain and CD69 expression or the induction of activator protein 1 transcription factors .
 ( protein: IL-2 receptor components, None) , ( protein: activator protein 1, None) , ( protein: IL-4 receptor alpha-chain, None) , ( protein: transcription factors, None) , ( protein: activator protein 1 transcription factors, None) , ( protein: IL-2, None) , ( protein: CD69, 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: IL-2 receptor components, None) , ( protein: activator protein 1, None) , ( protein: IL-4 receptor alpha-chain, None) , ( protein: transcription factors, None) , ( protein: activator protein 1 transcription factors, None) , ( protein: IL-2, None) , ( protein: CD69, None) 