14056
The extracellular domain of the murine G-CSF receptor was required for the activity of SB 247464 , suggesting that the compound acts by oligomerizing receptor chains .
 ( protein: murine G-CSF receptor, None) , ( protein: G-CSF, None) , ( protein: oligomerizing receptor chains, 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: murine G-CSF receptor, None) , ( protein: G-CSF, None) , ( protein: oligomerizing receptor chains, None) 