1321
Antisense cDNA to clone 18 inhibited the expression of a reporter construct containing the DPA promoter , indicating its functional importance in the expression of this class II gene .
 ( DNA: class II gene, None) , ( DNA: DPA promoter, None) , ( DNA: DPA, None) , ( protein: clone 18, 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: class II gene, None) , ( DNA: DPA promoter, None) , ( DNA: DPA, None) , ( protein: clone 18, None) 