6776
These results provide compelling links between the efficiency of the 20-epi analogue in inducing VDR /DRIP interactions , transactivation in vitro, and its enhanced ability to induce cellular differentiation .
 ( protein: VDR, 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: VDR, None) 