9003
The STAT serine kinase in CLL cells has not been identified, and appears to be neither mitogen-activated protein kinase nor pp70(s6k) .
 ( protein: pp70(s6k), None) , ( protein: mitogen-activated protein kinase, 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: pp70(s6k), None) , ( protein: mitogen-activated protein kinase, None) 