3721
Here, we report that differentiated B cells contain a novel substoichiometric TAF of 105 kDa not found associated with TFIID isolated from other cell types.
 ( protein: TFIID, None) , ( protein: TAF, None) , ( cell type: differentiated B cells, 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: TFIID, None) , ( protein: TAF, None) , ( cell type: differentiated B cells, None) 