1547
Cotransfection of gamma B*CaM-K with the IL-2 promoter construct downregulated its transcription in response to stimulation with ionomycin and phorbol myristate acetate ( PMA ).
 ( DNA: IL-2 promoter construct, None) , ( DNA: IL-2 promoter, None) , ( protein: gamma B*CaM-K, 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: IL-2 promoter construct, None) , ( DNA: IL-2 promoter, None) , ( protein: gamma B*CaM-K, None) 