4892
Preassociation of STAT1 with STAT2 and STAT3 in separate signalling complexes prior to cytokine stimulation .
 ( protein: STAT2, None) , ( protein: cytokine, None) , ( protein: STAT3, None) , ( protein: STAT1, None) , ( protein: signalling complexes, 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: STAT2, None) , ( protein: cytokine, None) , ( protein: STAT3, None) , ( protein: STAT1, None) , ( protein: signalling complexes, None) 