1219
Here, we report that stimulation through the IL-2R induced tyrosine phosphorylation and subsequent nuclear translocation of stat3 , a newly identified member of the signal transducers and activators of transcription (STAT) family of proteins.
 ( protein: stat3, None) , ( protein: IL-2R, None) , ( protein: signal transducers and activators of transcription (STAT) family, 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: stat3, None) , ( protein: IL-2R, None) , ( protein: signal transducers and activators of transcription (STAT) family, None) 