7922
RXRs heterodimerize with 1, 25-dihydroxyvitamin D3 [ 1,25(OH)2D3 ] receptor ( VDR ), enabling their efficient transcriptional activation .
 ( protein: 1, 25-dihydroxyvitamin D3 [ 1,25(OH)2D3 ] receptor, None) , ( protein: RXRs, None) , ( 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: 1, 25-dihydroxyvitamin D3 [ 1,25(OH)2D3 ] receptor, None) , ( protein: RXRs, None) , ( protein: VDR, None) 