12562
The action of adenoviral E1A oncoprotein on host immune-response genes has been attributed to interaction with p300/CBP-type transcriptional coactivators in competition with endogenous transcription factors such as signal transducer and activator of transcription (STAT) proteins .
 ( protein: transcription factors, None) , ( protein: p300/CBP-type transcriptional coactivators, None) , ( protein: adenoviral E1A oncoprotein, None) , ( DNA: host immune-response genes, None) , ( protein: signal transducer and activator of transcription (STAT) proteins, None) , ( protein: endogenous transcription factors, 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: transcription factors, None) , ( protein: p300/CBP-type transcriptional coactivators, None) , ( protein: adenoviral E1A oncoprotein, None) , ( DNA: host immune-response genes, None) , ( protein: signal transducer and activator of transcription (STAT) proteins, None) , ( protein: endogenous transcription factors, None) 