7685
The mechanism of PG490 inhibition of cytokine gene expression differs from cyclosporin A and involves nuclear inhibition of transcriptional activation of NF-kappaB and the purine-box regulator operating at the ARRE/NF-AT site at a step after specific DNA binding .
 ( DNA: cytokine gene, None) , ( DNA: purine-box regulator, None) , ( DNA: ARRE/NF-AT site, None) , ( protein: NF-kappaB, 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:
 ( DNA: cytokine gene, None) , ( DNA: purine-box regulator, None) , ( DNA: ARRE/NF-AT site, None) , ( protein: NF-kappaB, None) 