4492
Therefore, activation of STAT5A predominates compared to STAT5B when assayed by direct immunoprecipitation and by evaluation of bound STATs to immobilized GRR .
 ( protein: STAT5B, None) , ( DNA: GRR, None) , ( protein: STATs, None) , ( protein: STAT5A, 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: STAT5B, None) , ( DNA: GRR, None) , ( protein: STATs, None) , ( protein: STAT5A, None) 