3360
NF-kappa B , a 50 kDa/65 kDa (p50/p65) heterodimer , is a ubiquitous transcription factor involved in the positive regulation of various immune genes .
 ( DNA: immune genes, None) , ( protein: NF-kappa B, None) , ( protein: 50 kDa/65 kDa (p50/p65) heterodimer, None) , ( protein: ubiquitous transcription factor, 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: immune genes, None) , ( protein: NF-kappa B, None) , ( protein: 50 kDa/65 kDa (p50/p65) heterodimer, None) , ( protein: ubiquitous transcription factor, None) 