1971
We have identified and characterized a novel serine /threonine kinase that phosphorylated the proto-oncogene product , c-Fos , and is termed Fos kinase .
 ( protein: serine /threonine kinase, None) , ( protein: Fos kinase, None) , ( protein: c-Fos, None) , ( protein: proto-oncogene product, 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: serine /threonine kinase, None) , ( protein: Fos kinase, None) , ( protein: c-Fos, None) , ( protein: proto-oncogene product, None) 