1623
The serum response element ( SRE ) in the c-fos regulatory region participates in induction of transcription by various growth factors and by phorbol esters and subsequent squelching of transcription.
 ( DNA: SRE, None) , ( DNA: c-fos regulatory region, None) , ( protein: growth factors, None) , ( DNA: serum response element, 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: SRE, None) , ( DNA: c-fos regulatory region, None) , ( protein: growth factors, None) , ( DNA: serum response element, None) 