4627
Unlike many hematopoietin receptors , the IL-10R did not detectably activate STAT5 .
 ( protein: IL-10R, None) , ( protein: STAT5, None) , ( protein: hematopoietin receptors, 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-10R, None) , ( protein: STAT5, None) , ( protein: hematopoietin receptors, None) 