12885
Finally, we observed that activated STAT5a and STAT5b proteins form distinct Fc gamma RI GAS binding patterns in T and NK cells , suggesting that they might have different roles in gene regulation.
 ( protein: STAT5a, None) , ( protein: STAT5b, 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: STAT5a, None) , ( protein: STAT5b, None) 