10130
The Ets motifs are preferentially bound by PU-1 in B cell extracts from all stages of development, whereas a different Ets family member reacts with these motifs in T cell extracts .
 ( protein: Ets family member, None) , ( DNA: Ets motifs, None) , ( protein: PU-1, 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: Ets family member, None) , ( DNA: Ets motifs, None) , ( protein: PU-1, None) 